October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

S01 Open wound of head

All 270 codes in the S01 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

270

Can lead a claim

198

Cannot lead a claim

72

What CMS assigns to S01

198 of the 270 codes group to Wound; 72 are assigned no clinical group. None of the 270 is assigned a comorbidity subgroup. 198 of the 270 can lead a claim.

Every code in S01

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
S01.0 Open wound of scalp
S01.00 Unspecified open wound of scalp
S01.00XAUnspecified open wound of scalp, initial encounterCan lead a claimCNone
S01.00XDUnspecified open wound of scalp, subsequent encounterCan lead a claimCNone
S01.00XSUnspecified open wound of scalp, sequelaCan lead a claimCNone
S01.01 Laceration without foreign body of scalp
S01.01XALaceration without foreign body of scalp, initial encounterCan lead a claimCNone
S01.01XDLaceration without foreign body of scalp, subsequent encounterCMS: Laceration without foreign body of scalp, subs encntrCan lead a claimCNone
S01.01XSLaceration without foreign body of scalp, sequelaCan lead a claimCNone
S01.02 Laceration with foreign body of scalp
S01.02XALaceration with foreign body of scalp, initial encounterCan lead a claimCNone
S01.02XDLaceration with foreign body of scalp, subsequent encounterCan lead a claimCNone
S01.02XSLaceration with foreign body of scalp, sequelaCan lead a claimCNone
S01.03 Puncture wound without foreign body of scalp
S01.03XAPuncture wound without foreign body of scalp, initial encounterCMS: Puncture wound without foreign body of scalp, init encntrCan lead a claimCNone
S01.03XDPuncture wound without foreign body of scalp, subsequent encounterCMS: Puncture wound without foreign body of scalp, subs encntrCan lead a claimCNone
S01.03XSPuncture wound without foreign body of scalp, sequelaCan lead a claimCNone
S01.04 Puncture wound with foreign body of scalp
S01.04XAPuncture wound with foreign body of scalp, initial encounterCan lead a claimCNone
S01.04XDPuncture wound with foreign body of scalp, subsequent encounterCMS: Puncture wound with foreign body of scalp, subs encntrCan lead a claimCNone
S01.04XSPuncture wound with foreign body of scalp, sequelaCan lead a claimCNone
S01.05 Open bite of scalp
S01.05XAOpen bite of scalp, initial encounterCan lead a claimCNone
S01.05XDOpen bite of scalp, subsequent encounterCan lead a claimCNone
S01.05XSOpen bite of scalp, sequelaCan lead a claimCNone
S01.1 Open wound of eyelid and periocular area
S01.10 Unspecified open wound of eyelid and periocular area
S01.101 Unspecified open wound of right eyelid and periocular area
S01.101AUnspecified open wound of right eyelid and periocular area, initial encounterCMS: Unsp open wound of right eyelid and periocular area, initCan lead a claimCNone
S01.101DUnspecified open wound of right eyelid and periocular area, subsequent encounterCMS: Unsp open wound of right eyelid and periocular area, subsCan lead a claimCNone
S01.101SUnspecified open wound of right eyelid and periocular area, sequelaCMS: Unsp open wound of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.102 Unspecified open wound of left eyelid and periocular area
S01.102AUnspecified open wound of left eyelid and periocular area, initial encounterCMS: Unsp open wound of left eyelid and periocular area, initCan lead a claimCNone
S01.102DUnspecified open wound of left eyelid and periocular area, subsequent encounterCMS: Unsp open wound of left eyelid and periocular area, subsCan lead a claimCNone
S01.102SUnspecified open wound of left eyelid and periocular area, sequelaCMS: Unsp open wound of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.109 Unspecified open wound of unspecified eyelid and periocular area
S01.109AUnspecified open wound of unspecified eyelid and periocular area, initial encounterCMS: Unsp open wound of unsp eyelid and periocular area, initCannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the conditionNoneNone
S01.109DUnspecified open wound of unspecified eyelid and periocular area, subsequent encounterCMS: Unsp open wound of unsp eyelid and periocular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.109SUnspecified open wound of unspecified eyelid and periocular area, sequelaCMS: Unsp open wound of unsp eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.11 Laceration without foreign body of eyelid and periocular area
S01.111 Laceration without foreign body of right eyelid and periocular area
S01.111ALaceration without foreign body of right eyelid and periocular area, initial encounterCMS: Laceration w/o fb of right eyelid and periocular area, initCan lead a claimCNone
S01.111DLaceration without foreign body of right eyelid and periocular area, subsequent encounterCMS: Laceration w/o fb of right eyelid and periocular area, subsCan lead a claimCNone
S01.111SLaceration without foreign body of right eyelid and periocular area, sequelaCMS: Lac w/o fb of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.112 Laceration without foreign body of left eyelid and periocular area
S01.112ALaceration without foreign body of left eyelid and periocular area, initial encounterCMS: Laceration w/o fb of left eyelid and periocular area, initCan lead a claimCNone
S01.112DLaceration without foreign body of left eyelid and periocular area, subsequent encounterCMS: Laceration w/o fb of left eyelid and periocular area, subsCan lead a claimCNone
S01.112SLaceration without foreign body of left eyelid and periocular area, sequelaCMS: Lac w/o fb of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.119 Laceration without foreign body of unspecified eyelid and periocular area
S01.119ALaceration without foreign body of unspecified eyelid and periocular area, initial encounterCMS: Laceration w/o fb of unsp eyelid and periocular area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.119DLaceration without foreign body of unspecified eyelid and periocular area, subsequent encounterCMS: Laceration w/o fb of unsp eyelid and periocular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.119SLaceration without foreign body of unspecified eyelid and periocular area, sequelaCMS: Lac w/o fb of unsp eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.12 Laceration with foreign body of eyelid and periocular area
S01.121 Laceration with foreign body of right eyelid and periocular area
S01.121ALaceration with foreign body of right eyelid and periocular area, initial encounterCMS: Laceration w fb of right eyelid and periocular area, initCan lead a claimCNone
S01.121DLaceration with foreign body of right eyelid and periocular area, subsequent encounterCMS: Laceration w fb of right eyelid and periocular area, subsCan lead a claimCNone
S01.121SLaceration with foreign body of right eyelid and periocular area, sequelaCMS: Laceration w fb of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.122 Laceration with foreign body of left eyelid and periocular area
S01.122ALaceration with foreign body of left eyelid and periocular area, initial encounterCMS: Laceration w fb of left eyelid and periocular area, initCan lead a claimCNone
S01.122DLaceration with foreign body of left eyelid and periocular area, subsequent encounterCMS: Laceration w fb of left eyelid and periocular area, subsCan lead a claimCNone
S01.122SLaceration with foreign body of left eyelid and periocular area, sequelaCMS: Laceration w fb of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.129 Laceration with foreign body of unspecified eyelid and periocular area
S01.129ALaceration with foreign body of unspecified eyelid and periocular area, initial encounterCMS: Laceration w fb of unsp eyelid and periocular area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.129DLaceration with foreign body of unspecified eyelid and periocular area, subsequent encounterCMS: Laceration w fb of unsp eyelid and periocular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.129SLaceration with foreign body of unspecified eyelid and periocular area, sequelaCMS: Laceration w fb of unsp eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.13 Puncture wound without foreign body of eyelid and periocular area
S01.131 Puncture wound without foreign body of right eyelid and periocular area
S01.131APuncture wound without foreign body of right eyelid and periocular area, initial encounterCMS: Pnctr w/o fb of right eyelid and periocular area, initCan lead a claimCNone
S01.131DPuncture wound without foreign body of right eyelid and periocular area, subsequent encounterCMS: Pnctr w/o fb of right eyelid and periocular area, subsCan lead a claimCNone
S01.131SPuncture wound without foreign body of right eyelid and periocular area, sequelaCMS: Pnctr w/o fb of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.132 Puncture wound without foreign body of left eyelid and periocular area
S01.132APuncture wound without foreign body of left eyelid and periocular area, initial encounterCMS: Pnctr w/o fb of left eyelid and periocular area, initCan lead a claimCNone
S01.132DPuncture wound without foreign body of left eyelid and periocular area, subsequent encounterCMS: Pnctr w/o fb of left eyelid and periocular area, subsCan lead a claimCNone
S01.132SPuncture wound without foreign body of left eyelid and periocular area, sequelaCMS: Pnctr w/o fb of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.139 Puncture wound without foreign body of unspecified eyelid and periocular area
S01.139APuncture wound without foreign body of unspecified eyelid and periocular area, initial encounterCMS: Pnctr w/o fb of unsp eyelid and periocular area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.139DPuncture wound without foreign body of unspecified eyelid and periocular area, subsequent encounterCMS: Pnctr w/o fb of unsp eyelid and periocular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.139SPuncture wound without foreign body of unspecified eyelid and periocular area, sequelaCMS: Pnctr w/o fb of unsp eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.14 Puncture wound with foreign body of eyelid and periocular area
S01.141 Puncture wound with foreign body of right eyelid and periocular area
S01.141APuncture wound with foreign body of right eyelid and periocular area, initial encounterCMS: Pnctr w fb of right eyelid and periocular area, initCan lead a claimCNone
S01.141DPuncture wound with foreign body of right eyelid and periocular area, subsequent encounterCMS: Pnctr w fb of right eyelid and periocular area, subsCan lead a claimCNone
S01.141SPuncture wound with foreign body of right eyelid and periocular area, sequelaCMS: Pnctr w fb of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.142 Puncture wound with foreign body of left eyelid and periocular area
S01.142APuncture wound with foreign body of left eyelid and periocular area, initial encounterCMS: Pnctr w fb of left eyelid and periocular area, initCan lead a claimCNone
S01.142DPuncture wound with foreign body of left eyelid and periocular area, subsequent encounterCMS: Pnctr w fb of left eyelid and periocular area, subsCan lead a claimCNone
S01.142SPuncture wound with foreign body of left eyelid and periocular area, sequelaCMS: Pnctr w fb of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.149 Puncture wound with foreign body of unspecified eyelid and periocular area
S01.149APuncture wound with foreign body of unspecified eyelid and periocular area, initial encounterCMS: Pnctr w fb of unsp eyelid and periocular area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.149DPuncture wound with foreign body of unspecified eyelid and periocular area, subsequent encounterCMS: Pnctr w fb of unsp eyelid and periocular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.149SPuncture wound with foreign body of unspecified eyelid and periocular area, sequelaCMS: Pnctr w fb of unsp eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.15 Open bite of eyelid and periocular area
S01.151 Open bite of right eyelid and periocular area
S01.151AOpen bite of right eyelid and periocular area, initial encounterCMS: Open bite of right eyelid and periocular area, init encntrCan lead a claimCNone
S01.151DOpen bite of right eyelid and periocular area, subsequent encounterCMS: Open bite of right eyelid and periocular area, subs encntrCan lead a claimCNone
S01.151SOpen bite of right eyelid and periocular area, sequelaCan lead a claimCNone
S01.152 Open bite of left eyelid and periocular area
S01.152AOpen bite of left eyelid and periocular area, initial encounterCMS: Open bite of left eyelid and periocular area, init encntrCan lead a claimCNone
S01.152DOpen bite of left eyelid and periocular area, subsequent encounterCMS: Open bite of left eyelid and periocular area, subs encntrCan lead a claimCNone
S01.152SOpen bite of left eyelid and periocular area, sequelaCan lead a claimCNone
S01.159 Open bite of unspecified eyelid and periocular area
S01.159AOpen bite of unspecified eyelid and periocular area, initial encounterCMS: Open bite of unsp eyelid and periocular area, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.159DOpen bite of unspecified eyelid and periocular area, subsequent encounterCMS: Open bite of unsp eyelid and periocular area, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.159SOpen bite of unspecified eyelid and periocular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.2 Open wound of nose
S01.20 Unspecified open wound of nose
S01.20XAUnspecified open wound of nose, initial encounterCan lead a claimCNone
S01.20XDUnspecified open wound of nose, subsequent encounterCan lead a claimCNone
S01.20XSUnspecified open wound of nose, sequelaCan lead a claimCNone
S01.21 Laceration without foreign body of nose
S01.21XALaceration without foreign body of nose, initial encounterCan lead a claimCNone
S01.21XDLaceration without foreign body of nose, subsequent encounterCMS: Laceration without foreign body of nose, subs encntrCan lead a claimCNone
S01.21XSLaceration without foreign body of nose, sequelaCan lead a claimCNone
S01.22 Laceration with foreign body of nose
S01.22XALaceration with foreign body of nose, initial encounterCan lead a claimCNone
S01.22XDLaceration with foreign body of nose, subsequent encounterCan lead a claimCNone
S01.22XSLaceration with foreign body of nose, sequelaCan lead a claimCNone
S01.23 Puncture wound without foreign body of nose
S01.23XAPuncture wound without foreign body of nose, initial encounterCMS: Puncture wound without foreign body of nose, init encntrCan lead a claimCNone
S01.23XDPuncture wound without foreign body of nose, subsequent encounterCMS: Puncture wound without foreign body of nose, subs encntrCan lead a claimCNone
S01.23XSPuncture wound without foreign body of nose, sequelaCan lead a claimCNone
S01.24 Puncture wound with foreign body of nose
S01.24XAPuncture wound with foreign body of nose, initial encounterCan lead a claimCNone
S01.24XDPuncture wound with foreign body of nose, subsequent encounterCMS: Puncture wound with foreign body of nose, subs encntrCan lead a claimCNone
S01.24XSPuncture wound with foreign body of nose, sequelaCan lead a claimCNone
S01.25 Open bite of nose
S01.25XAOpen bite of nose, initial encounterCan lead a claimCNone
S01.25XDOpen bite of nose, subsequent encounterCan lead a claimCNone
S01.25XSOpen bite of nose, sequelaCan lead a claimCNone
S01.3 Open wound of ear
S01.30 Unspecified open wound of ear
S01.301 Unspecified open wound of right ear
S01.301AUnspecified open wound of right ear, initial encounterCan lead a claimCNone
S01.301DUnspecified open wound of right ear, subsequent encounterCan lead a claimCNone
S01.301SUnspecified open wound of right ear, sequelaCan lead a claimCNone
S01.302 Unspecified open wound of left ear
S01.302AUnspecified open wound of left ear, initial encounterCan lead a claimCNone
S01.302DUnspecified open wound of left ear, subsequent encounterCan lead a claimCNone
S01.302SUnspecified open wound of left ear, sequelaCan lead a claimCNone
S01.309 Unspecified open wound of unspecified ear
S01.309AUnspecified open wound of unspecified ear, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.309DUnspecified open wound of unspecified ear, subsequent encounterCMS: Unspecified open wound of unspecified ear, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.309SUnspecified open wound of unspecified ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.31 Laceration without foreign body of ear
S01.311 Laceration without foreign body of right ear
S01.311ALaceration without foreign body of right ear, initial encounterCMS: Laceration without foreign body of right ear, init encntrCan lead a claimCNone
S01.311DLaceration without foreign body of right ear, subsequent encounterCMS: Laceration without foreign body of right ear, subs encntrCan lead a claimCNone
S01.311SLaceration without foreign body of right ear, sequelaCan lead a claimCNone
S01.312 Laceration without foreign body of left ear
S01.312ALaceration without foreign body of left ear, initial encounterCMS: Laceration without foreign body of left ear, init encntrCan lead a claimCNone
S01.312DLaceration without foreign body of left ear, subsequent encounterCMS: Laceration without foreign body of left ear, subs encntrCan lead a claimCNone
S01.312SLaceration without foreign body of left ear, sequelaCan lead a claimCNone
S01.319 Laceration without foreign body of unspecified ear
S01.319ALaceration without foreign body of unspecified ear, initial encounterCMS: Laceration without foreign body of unsp ear, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.319DLaceration without foreign body of unspecified ear, subsequent encounterCMS: Laceration without foreign body of unsp ear, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.319SLaceration without foreign body of unspecified ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.32 Laceration with foreign body of ear
S01.321 Laceration with foreign body of right ear
S01.321ALaceration with foreign body of right ear, initial encounterCan lead a claimCNone
S01.321DLaceration with foreign body of right ear, subsequent encounterCMS: Laceration with foreign body of right ear, subs encntrCan lead a claimCNone
S01.321SLaceration with foreign body of right ear, sequelaCan lead a claimCNone
S01.322 Laceration with foreign body of left ear
S01.322ALaceration with foreign body of left ear, initial encounterCan lead a claimCNone
S01.322DLaceration with foreign body of left ear, subsequent encounterCMS: Laceration with foreign body of left ear, subs encntrCan lead a claimCNone
S01.322SLaceration with foreign body of left ear, sequelaCan lead a claimCNone
S01.329 Laceration with foreign body of unspecified ear
S01.329ALaceration with foreign body of unspecified ear, initial encounterCMS: Laceration with foreign body of unspecified ear, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.329DLaceration with foreign body of unspecified ear, subsequent encounterCMS: Laceration with foreign body of unspecified ear, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.329SLaceration with foreign body of unspecified ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.33 Puncture wound without foreign body of ear
S01.331 Puncture wound without foreign body of right ear
S01.331APuncture wound without foreign body of right ear, initial encounterCMS: Puncture wound w/o foreign body of right ear, init encntrCan lead a claimCNone
S01.331DPuncture wound without foreign body of right ear, subsequent encounterCMS: Puncture wound w/o foreign body of right ear, subs encntrCan lead a claimCNone
S01.331SPuncture wound without foreign body of right ear, sequelaCan lead a claimCNone
S01.332 Puncture wound without foreign body of left ear
S01.332APuncture wound without foreign body of left ear, initial encounterCMS: Puncture wound without foreign body of left ear, init encntrCan lead a claimCNone
S01.332DPuncture wound without foreign body of left ear, subsequent encounterCMS: Puncture wound without foreign body of left ear, subs encntrCan lead a claimCNone
S01.332SPuncture wound without foreign body of left ear, sequelaCan lead a claimCNone
S01.339 Puncture wound without foreign body of unspecified ear
S01.339APuncture wound without foreign body of unspecified ear, initial encounterCMS: Puncture wound without foreign body of unsp ear, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.339DPuncture wound without foreign body of unspecified ear, subsequent encounterCMS: Puncture wound without foreign body of unsp ear, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.339SPuncture wound without foreign body of unspecified ear, sequelaCMS: Puncture wound without foreign body of unsp ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.34 Puncture wound with foreign body of ear
S01.341 Puncture wound with foreign body of right ear
S01.341APuncture wound with foreign body of right ear, initial encounterCMS: Puncture wound with foreign body of right ear, init encntrCan lead a claimCNone
S01.341DPuncture wound with foreign body of right ear, subsequent encounterCMS: Puncture wound with foreign body of right ear, subs encntrCan lead a claimCNone
S01.341SPuncture wound with foreign body of right ear, sequelaCan lead a claimCNone
S01.342 Puncture wound with foreign body of left ear
S01.342APuncture wound with foreign body of left ear, initial encounterCMS: Puncture wound with foreign body of left ear, init encntrCan lead a claimCNone
S01.342DPuncture wound with foreign body of left ear, subsequent encounterCMS: Puncture wound with foreign body of left ear, subs encntrCan lead a claimCNone
S01.342SPuncture wound with foreign body of left ear, sequelaCan lead a claimCNone
S01.349 Puncture wound with foreign body of unspecified ear
S01.349APuncture wound with foreign body of unspecified ear, initial encounterCMS: Puncture wound with foreign body of unsp ear, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.349DPuncture wound with foreign body of unspecified ear, subsequent encounterCMS: Puncture wound with foreign body of unsp ear, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.349SPuncture wound with foreign body of unspecified ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.35 Open bite of ear
S01.351 Open bite of right ear
S01.351AOpen bite of right ear, initial encounterCan lead a claimCNone
S01.351DOpen bite of right ear, subsequent encounterCan lead a claimCNone
S01.351SOpen bite of right ear, sequelaCan lead a claimCNone
S01.352 Open bite of left ear
S01.352AOpen bite of left ear, initial encounterCan lead a claimCNone
S01.352DOpen bite of left ear, subsequent encounterCan lead a claimCNone
S01.352SOpen bite of left ear, sequelaCan lead a claimCNone
S01.359 Open bite of unspecified ear
S01.359AOpen bite of unspecified ear, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.359DOpen bite of unspecified ear, subsequent encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.359SOpen bite of unspecified ear, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.4 Open wound of cheek and temporomandibular area
S01.40 Unspecified open wound of cheek and temporomandibular area
S01.401 Unspecified open wound of right cheek and temporomandibular area
S01.401AUnspecified open wound of right cheek and temporomandibular area, initial encounterCMS: Unsp open wound of right cheek and TMJ area, initCan lead a claimCNone
S01.401DUnspecified open wound of right cheek and temporomandibular area, subsequent encounterCMS: Unsp open wound of right cheek and TMJ area, subsCan lead a claimCNone
S01.401SUnspecified open wound of right cheek and temporomandibular area, sequelaCMS: Unsp open wound of right cheek and TMJ area, sequelaCan lead a claimCNone
S01.402 Unspecified open wound of left cheek and temporomandibular area
S01.402AUnspecified open wound of left cheek and temporomandibular area, initial encounterCMS: Unsp open wound of left cheek and TMJ area, initCan lead a claimCNone
S01.402DUnspecified open wound of left cheek and temporomandibular area, subsequent encounterCMS: Unsp open wound of left cheek and TMJ area, subsCan lead a claimCNone
S01.402SUnspecified open wound of left cheek and temporomandibular area, sequelaCMS: Unsp open wound of left cheek and TMJ area, sequelaCan lead a claimCNone
S01.409 Unspecified open wound of unspecified cheek and temporomandibular area
S01.409AUnspecified open wound of unspecified cheek and temporomandibular area, initial encounterCMS: Unsp open wound of unsp cheek and TMJ area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.409DUnspecified open wound of unspecified cheek and temporomandibular area, subsequent encounterCMS: Unsp open wound of unsp cheek and TMJ area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.409SUnspecified open wound of unspecified cheek and temporomandibular area, sequelaCMS: Unsp open wound of unsp cheek and TMJ area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.41 Laceration without foreign body of cheek and temporomandibular area
S01.411 Laceration without foreign body of right cheek and temporomandibular area
S01.411ALaceration without foreign body of right cheek and temporomandibular area, initial encounterCMS: Laceration w/o fb of right cheek and TMJ area, initCan lead a claimCNone
S01.411DLaceration without foreign body of right cheek and temporomandibular area, subsequent encounterCMS: Laceration w/o fb of right cheek and TMJ area, subsCan lead a claimCNone
S01.411SLaceration without foreign body of right cheek and temporomandibular area, sequelaCMS: Laceration w/o fb of right cheek and TMJ area, sequelaCan lead a claimCNone
S01.412 Laceration without foreign body of left cheek and temporomandibular area
S01.412ALaceration without foreign body of left cheek and temporomandibular area, initial encounterCMS: Laceration w/o foreign body of left cheek and TMJ area, initCan lead a claimCNone
S01.412DLaceration without foreign body of left cheek and temporomandibular area, subsequent encounterCMS: Laceration w/o foreign body of left cheek and TMJ area, subsCan lead a claimCNone
S01.412SLaceration without foreign body of left cheek and temporomandibular area, sequelaCMS: Laceration w/o fb of left cheek and TMJ area, sequelaCan lead a claimCNone
S01.419 Laceration without foreign body of unspecified cheek and temporomandibular area
S01.419ALaceration without foreign body of unspecified cheek and temporomandibular area, initial encounterCMS: Laceration w/o foreign body of unsp cheek and TMJ area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.419DLaceration without foreign body of unspecified cheek and temporomandibular area, subsequent encounterCMS: Laceration w/o foreign body of unsp cheek and TMJ area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.419SLaceration without foreign body of unspecified cheek and temporomandibular area, sequelaCMS: Laceration w/o fb of unsp cheek and TMJ area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.42 Laceration with foreign body of cheek and temporomandibular area
S01.421 Laceration with foreign body of right cheek and temporomandibular area
S01.421ALaceration with foreign body of right cheek and temporomandibular area, initial encounterCMS: Laceration w foreign body of right cheek and TMJ area, initCan lead a claimCNone
S01.421DLaceration with foreign body of right cheek and temporomandibular area, subsequent encounterCMS: Laceration w foreign body of right cheek and TMJ area, subsCan lead a claimCNone
S01.421SLaceration with foreign body of right cheek and temporomandibular area, sequelaCMS: Laceration w fb of right cheek and TMJ area, sequelaCan lead a claimCNone
S01.422 Laceration with foreign body of left cheek and temporomandibular area
S01.422ALaceration with foreign body of left cheek and temporomandibular area, initial encounterCMS: Laceration w foreign body of left cheek and TMJ area, initCan lead a claimCNone
S01.422DLaceration with foreign body of left cheek and temporomandibular area, subsequent encounterCMS: Laceration w foreign body of left cheek and TMJ area, subsCan lead a claimCNone
S01.422SLaceration with foreign body of left cheek and temporomandibular area, sequelaCMS: Laceration w fb of left cheek and TMJ area, sequelaCan lead a claimCNone
S01.429 Laceration with foreign body of unspecified cheek and temporomandibular area
S01.429ALaceration with foreign body of unspecified cheek and temporomandibular area, initial encounterCMS: Laceration w foreign body of unsp cheek and TMJ area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.429DLaceration with foreign body of unspecified cheek and temporomandibular area, subsequent encounterCMS: Laceration w foreign body of unsp cheek and TMJ area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.429SLaceration with foreign body of unspecified cheek and temporomandibular area, sequelaCMS: Laceration w fb of unsp cheek and TMJ area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.43 Puncture wound without foreign body of cheek and temporomandibular area
S01.431 Puncture wound without foreign body of right cheek and temporomandibular area
S01.431APuncture wound without foreign body of right cheek and temporomandibular area, initial encounterCMS: Pnctr w/o foreign body of right cheek and TMJ area, initCan lead a claimCNone
S01.431DPuncture wound without foreign body of right cheek and temporomandibular area, subsequent encounterCMS: Pnctr w/o foreign body of right cheek and TMJ area, subsCan lead a claimCNone
S01.431SPuncture wound without foreign body of right cheek and temporomandibular area, sequelaCMS: Pnctr w/o foreign body of right cheek and TMJ area, sequelaCan lead a claimCNone
S01.432 Puncture wound without foreign body of left cheek and temporomandibular area
S01.432APuncture wound without foreign body of left cheek and temporomandibular area, initial encounterCMS: Pnctr w/o foreign body of left cheek and TMJ area, initCan lead a claimCNone
S01.432DPuncture wound without foreign body of left cheek and temporomandibular area, subsequent encounterCMS: Pnctr w/o foreign body of left cheek and TMJ area, subsCan lead a claimCNone
S01.432SPuncture wound without foreign body of left cheek and temporomandibular area, sequelaCMS: Pnctr w/o foreign body of left cheek and TMJ area, sequelaCan lead a claimCNone
S01.439 Puncture wound without foreign body of unspecified cheek and temporomandibular area
S01.439APuncture wound without foreign body of unspecified cheek and temporomandibular area, initial encounterCMS: Pnctr w/o foreign body of unsp cheek and TMJ area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.439DPuncture wound without foreign body of unspecified cheek and temporomandibular area, subsequent encounterCMS: Pnctr w/o foreign body of unsp cheek and TMJ area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.439SPuncture wound without foreign body of unspecified cheek and temporomandibular area, sequelaCMS: Pnctr w/o foreign body of unsp cheek and TMJ area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.44 Puncture wound with foreign body of cheek and temporomandibular area
S01.441 Puncture wound with foreign body of right cheek and temporomandibular area
S01.441APuncture wound with foreign body of right cheek and temporomandibular area, initial encounterCMS: Pnctr w foreign body of right cheek and TMJ area, initCan lead a claimCNone
S01.441DPuncture wound with foreign body of right cheek and temporomandibular area, subsequent encounterCMS: Pnctr w foreign body of right cheek and TMJ area, subsCan lead a claimCNone
S01.441SPuncture wound with foreign body of right cheek and temporomandibular area, sequelaCMS: Pnctr w foreign body of right cheek and TMJ area, sequelaCan lead a claimCNone
S01.442 Puncture wound with foreign body of left cheek and temporomandibular area
S01.442APuncture wound with foreign body of left cheek and temporomandibular area, initial encounterCMS: Pnctr w foreign body of left cheek and TMJ area, initCan lead a claimCNone
S01.442DPuncture wound with foreign body of left cheek and temporomandibular area, subsequent encounterCMS: Pnctr w foreign body of left cheek and TMJ area, subsCan lead a claimCNone
S01.442SPuncture wound with foreign body of left cheek and temporomandibular area, sequelaCMS: Pnctr w foreign body of left cheek and TMJ area, sequelaCan lead a claimCNone
S01.449 Puncture wound with foreign body of unspecified cheek and temporomandibular area
S01.449APuncture wound with foreign body of unspecified cheek and temporomandibular area, initial encounterCMS: Pnctr w foreign body of unsp cheek and TMJ area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.449DPuncture wound with foreign body of unspecified cheek and temporomandibular area, subsequent encounterCMS: Pnctr w foreign body of unsp cheek and TMJ area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.449SPuncture wound with foreign body of unspecified cheek and temporomandibular area, sequelaCMS: Pnctr w foreign body of unsp cheek and TMJ area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.45 Open bite of cheek and temporomandibular area
S01.451 Open bite of right cheek and temporomandibular area
S01.451AOpen bite of right cheek and temporomandibular area, initial encounterCMS: Open bite of right cheek and temporomandibular area, initCan lead a claimCNone
S01.451DOpen bite of right cheek and temporomandibular area, subsequent encounterCMS: Open bite of right cheek and temporomandibular area, subsCan lead a claimCNone
S01.451SOpen bite of right cheek and temporomandibular area, sequelaCan lead a claimCNone
S01.452 Open bite of left cheek and temporomandibular area
S01.452AOpen bite of left cheek and temporomandibular area, initial encounterCMS: Open bite of left cheek and temporomandibular area, initCan lead a claimCNone
S01.452DOpen bite of left cheek and temporomandibular area, subsequent encounterCMS: Open bite of left cheek and temporomandibular area, subsCan lead a claimCNone
S01.452SOpen bite of left cheek and temporomandibular area, sequelaCan lead a claimCNone
S01.459 Open bite of unspecified cheek and temporomandibular area
S01.459AOpen bite of unspecified cheek and temporomandibular area, initial encounterCMS: Open bite of unsp cheek and temporomandibular area, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.459DOpen bite of unspecified cheek and temporomandibular area, subsequent encounterCMS: Open bite of unsp cheek and temporomandibular area, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.459SOpen bite of unspecified cheek and temporomandibular area, sequelaCMS: Open bite of unsp cheek and temporomandibular area, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.5 Open wound of lip and oral cavity
S01.50 Unspecified open wound of lip and oral cavity
S01.501 Unspecified open wound of lip
S01.501AUnspecified open wound of lip, initial encounterCan lead a claimCNone
S01.501DUnspecified open wound of lip, subsequent encounterCan lead a claimCNone
S01.501SUnspecified open wound of lip, sequelaCan lead a claimCNone
S01.502 Unspecified open wound of oral cavity
S01.502AUnspecified open wound of oral cavity, initial encounterCan lead a claimCNone
S01.502DUnspecified open wound of oral cavity, subsequent encounterCan lead a claimCNone
S01.502SUnspecified open wound of oral cavity, sequelaCan lead a claimCNone
S01.51 Laceration of lip and oral cavity without foreign body
S01.511 Laceration without foreign body of lip
S01.511ALaceration without foreign body of lip, initial encounterCan lead a claimCNone
S01.511DLaceration without foreign body of lip, subsequent encounterCan lead a claimCNone
S01.511SLaceration without foreign body of lip, sequelaCan lead a claimCNone
S01.512 Laceration without foreign body of oral cavity
S01.512ALaceration without foreign body of oral cavity, initial encounterCMS: Laceration without foreign body of oral cavity, init encntrCan lead a claimCNone
S01.512DLaceration without foreign body of oral cavity, subsequent encounterCMS: Laceration without foreign body of oral cavity, subs encntrCan lead a claimCNone
S01.512SLaceration without foreign body of oral cavity, sequelaCan lead a claimCNone
S01.52 Laceration of lip and oral cavity with foreign body
S01.521 Laceration with foreign body of lip
S01.521ALaceration with foreign body of lip, initial encounterCan lead a claimCNone
S01.521DLaceration with foreign body of lip, subsequent encounterCan lead a claimCNone
S01.521SLaceration with foreign body of lip, sequelaCan lead a claimCNone
S01.522 Laceration with foreign body of oral cavity
S01.522ALaceration with foreign body of oral cavity, initial encounterCMS: Laceration with foreign body of oral cavity, init encntrCan lead a claimCNone
S01.522DLaceration with foreign body of oral cavity, subsequent encounterCMS: Laceration with foreign body of oral cavity, subs encntrCan lead a claimCNone
S01.522SLaceration with foreign body of oral cavity, sequelaCan lead a claimCNone
S01.53 Puncture wound of lip and oral cavity without foreign body
S01.531 Puncture wound without foreign body of lip
S01.531APuncture wound without foreign body of lip, initial encounterCMS: Puncture wound without foreign body of lip, init encntrCan lead a claimCNone
S01.531DPuncture wound without foreign body of lip, subsequent encounterCMS: Puncture wound without foreign body of lip, subs encntrCan lead a claimCNone
S01.531SPuncture wound without foreign body of lip, sequelaCan lead a claimCNone
S01.532 Puncture wound without foreign body of oral cavity
S01.532APuncture wound without foreign body of oral cavity, initial encounterCMS: Puncture wound w/o foreign body of oral cavity, init encntrCan lead a claimCNone
S01.532DPuncture wound without foreign body of oral cavity, subsequent encounterCMS: Puncture wound w/o foreign body of oral cavity, subs encntrCan lead a claimCNone
S01.532SPuncture wound without foreign body of oral cavity, sequelaCan lead a claimCNone
S01.54 Puncture wound of lip and oral cavity with foreign body
S01.541 Puncture wound with foreign body of lip
S01.541APuncture wound with foreign body of lip, initial encounterCan lead a claimCNone
S01.541DPuncture wound with foreign body of lip, subsequent encounterCMS: Puncture wound with foreign body of lip, subs encntrCan lead a claimCNone
S01.541SPuncture wound with foreign body of lip, sequelaCan lead a claimCNone
S01.542 Puncture wound with foreign body of oral cavity
S01.542APuncture wound with foreign body of oral cavity, initial encounterCMS: Puncture wound with foreign body of oral cavity, init encntrCan lead a claimCNone
S01.542DPuncture wound with foreign body of oral cavity, subsequent encounterCMS: Puncture wound with foreign body of oral cavity, subs encntrCan lead a claimCNone
S01.542SPuncture wound with foreign body of oral cavity, sequelaCan lead a claimCNone
S01.55 Open bite of lip and oral cavity
S01.551 Open bite of lip
S01.551AOpen bite of lip, initial encounterCan lead a claimCNone
S01.551DOpen bite of lip, subsequent encounterCan lead a claimCNone
S01.551SOpen bite of lip, sequelaCan lead a claimCNone
S01.552 Open bite of oral cavity
S01.552AOpen bite of oral cavity, initial encounterCan lead a claimCNone
S01.552DOpen bite of oral cavity, subsequent encounterCan lead a claimCNone
S01.552SOpen bite of oral cavity, sequelaCan lead a claimCNone
S01.8 Open wound of other parts of head
S01.80 Unspecified open wound of other part of head
S01.80XAUnspecified open wound of other part of head, initial encounterCMS: Unspecified open wound of other part of head, init encntrCan lead a claimCNone
S01.80XDUnspecified open wound of other part of head, subsequent encounterCMS: Unspecified open wound of other part of head, subs encntrCan lead a claimCNone
S01.80XSUnspecified open wound of other part of head, sequelaCan lead a claimCNone
S01.81 Laceration without foreign body of other part of head
S01.81XALaceration without foreign body of other part of head, initial encounterCMS: Laceration w/o foreign body of oth part of head, init encntrCan lead a claimCNone
S01.81XDLaceration without foreign body of other part of head, subsequent encounterCMS: Laceration w/o foreign body of oth part of head, subs encntrCan lead a claimCNone
S01.81XSLaceration without foreign body of other part of head, sequelaCMS: Laceration w/o foreign body of other part of head, sequelaCan lead a claimCNone
S01.82 Laceration with foreign body of other part of head
S01.82XALaceration with foreign body of other part of head, initial encounterCMS: Laceration w foreign body of oth part of head, init encntrCan lead a claimCNone
S01.82XDLaceration with foreign body of other part of head, subsequent encounterCMS: Laceration w foreign body of oth part of head, subs encntrCan lead a claimCNone
S01.82XSLaceration with foreign body of other part of head, sequelaCan lead a claimCNone
S01.83 Puncture wound without foreign body of other part of head
S01.83XAPuncture wound without foreign body of other part of head, initial encounterCMS: Puncture wound w/o foreign body oth prt head, init encntrCan lead a claimCNone
S01.83XDPuncture wound without foreign body of other part of head, subsequent encounterCMS: Puncture wound w/o foreign body oth prt head, subs encntrCan lead a claimCNone
S01.83XSPuncture wound without foreign body of other part of head, sequelaCMS: Puncture wound w/o foreign body of oth part of head, sequelaCan lead a claimCNone
S01.84 Puncture wound with foreign body of other part of head
S01.84XAPuncture wound with foreign body of other part of head, initial encounterCMS: Puncture wound w foreign body oth prt head, init encntrCan lead a claimCNone
S01.84XDPuncture wound with foreign body of other part of head, subsequent encounterCMS: Puncture wound w foreign body oth prt head, subs encntrCan lead a claimCNone
S01.84XSPuncture wound with foreign body of other part of head, sequelaCMS: Puncture wound w foreign body of oth part of head, sequelaCan lead a claimCNone
S01.85 Open bite of other part of head
S01.85XAOpen bite of other part of head, initial encounterCan lead a claimCNone
S01.85XDOpen bite of other part of head, subsequent encounterCan lead a claimCNone
S01.85XSOpen bite of other part of head, sequelaCan lead a claimCNone
S01.9 Open wound of unspecified part of head
S01.90 Unspecified open wound of unspecified part of head
S01.90XAUnspecified open wound of unspecified part of head, initial encounterCMS: Unsp open wound of unspecified part of head, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.90XDUnspecified open wound of unspecified part of head, subsequent encounterCMS: Unsp open wound of unspecified part of head, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.90XSUnspecified open wound of unspecified part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.91 Laceration without foreign body of unspecified part of head
S01.91XALaceration without foreign body of unspecified part of head, initial encounterCMS: Laceration w/o foreign body of unsp part of head, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.91XDLaceration without foreign body of unspecified part of head, subsequent encounterCMS: Laceration w/o foreign body of unsp part of head, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.91XSLaceration without foreign body of unspecified part of head, sequelaCMS: Laceration w/o foreign body of unsp part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.92 Laceration with foreign body of unspecified part of head
S01.92XALaceration with foreign body of unspecified part of head, initial encounterCMS: Laceration w foreign body of unsp part of head, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.92XDLaceration with foreign body of unspecified part of head, subsequent encounterCMS: Laceration w foreign body of unsp part of head, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.92XSLaceration with foreign body of unspecified part of head, sequelaCMS: Laceration with foreign body of unsp part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.93 Puncture wound without foreign body of unspecified part of head
S01.93XAPuncture wound without foreign body of unspecified part of head, initial encounterCMS: Puncture wound w/o foreign body of unsp part of head, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.93XDPuncture wound without foreign body of unspecified part of head, subsequent encounterCMS: Puncture wound w/o foreign body of unsp part of head, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.93XSPuncture wound without foreign body of unspecified part of head, sequelaCMS: Pnctr w/o foreign body of unsp part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.94 Puncture wound with foreign body of unspecified part of head
S01.94XAPuncture wound with foreign body of unspecified part of head, initial encounterCMS: Puncture wound w foreign body of unsp part of head, initCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.94XDPuncture wound with foreign body of unspecified part of head, subsequent encounterCMS: Puncture wound w foreign body of unsp part of head, subsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.94XSPuncture wound with foreign body of unspecified part of head, sequelaCMS: Puncture wound w foreign body of unsp part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.95 Open bite of unspecified part of head
S01.95XAOpen bite of unspecified part of head, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.95XDOpen bite of unspecified part of head, subsequent encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S01.95XSOpen bite of unspecified part of head, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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