ICD-10 · PDGM grouping
S40 Superficial injury of shoulder and upper arm
All 144 codes in the S40 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
144
Can lead a claim
0
Cannot lead a claim
144
What CMS assigns to S40
None of the 144 codes is assigned a clinical group. None of the 144 is assigned a comorbidity subgroup. None can lead a claim.
Every code in S40
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| S40.0 Contusion of shoulder and upper arm | ||||
| S40.01 Contusion of shoulder | ||||
| S40.011 Contusion of right shoulder | ||||
| S40.011A | Contusion of right shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.011D | Contusion of right shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.011S | Contusion of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.012 Contusion of left shoulder | ||||
| S40.012A | Contusion of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.012D | Contusion of left shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.012S | Contusion of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.019 Contusion of unspecified shoulder | ||||
| S40.019A | Contusion of unspecified shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.019D | Contusion of unspecified shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.019S | Contusion of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.02 Contusion of upper arm | ||||
| S40.021 Contusion of right upper arm | ||||
| S40.021A | Contusion of right upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.021D | Contusion of right upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.021S | Contusion of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.022 Contusion of left upper arm | ||||
| S40.022A | Contusion of left upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.022D | Contusion of left upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.022S | Contusion of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.029 Contusion of unspecified upper arm | ||||
| S40.029A | Contusion of unspecified upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.029D | Contusion of unspecified upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.029S | Contusion of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.2 Other superficial injuries of shoulder | ||||
| S40.21 Abrasion of shoulder | ||||
| S40.211 Abrasion of right shoulder | ||||
| S40.211A | Abrasion of right shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.211D | Abrasion of right shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.211S | Abrasion of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.212 Abrasion of left shoulder | ||||
| S40.212A | Abrasion of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.212D | Abrasion of left shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.212S | Abrasion of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.219 Abrasion of unspecified shoulder | ||||
| S40.219A | Abrasion of unspecified shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.219D | Abrasion of unspecified shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.219S | Abrasion of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.22 Blister (nonthermal) of shoulder | ||||
| S40.221 Blister (nonthermal) of right shoulder | ||||
| S40.221A | Blister (nonthermal) of right shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.221D | Blister (nonthermal) of right shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.221S | Blister (nonthermal) of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.222 Blister (nonthermal) of left shoulder | ||||
| S40.222A | Blister (nonthermal) of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.222D | Blister (nonthermal) of left shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.222S | Blister (nonthermal) of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.229 Blister (nonthermal) of unspecified shoulder | ||||
| S40.229A | Blister (nonthermal) of unspecified shoulder, initial encounterCMS: Blister (nonthermal) of unspecified shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.229D | Blister (nonthermal) of unspecified shoulder, subsequent encounterCMS: Blister (nonthermal) of unspecified shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.229S | Blister (nonthermal) of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.24 External constriction of shoulder | ||||
| S40.241 External constriction of right shoulder | ||||
| S40.241A | External constriction of right shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.241D | External constriction of right shoulder, subsequent encounterCMS: External constriction of right shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.241S | External constriction of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.242 External constriction of left shoulder | ||||
| S40.242A | External constriction of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.242D | External constriction of left shoulder, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.242S | External constriction of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.249 External constriction of unspecified shoulder | ||||
| S40.249A | External constriction of unspecified shoulder, initial encounterCMS: External constriction of unspecified shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.249D | External constriction of unspecified shoulder, subsequent encounterCMS: External constriction of unspecified shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.249S | External constriction of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.25 Superficial foreign body of shoulder | ||||
| S40.251 Superficial foreign body of right shoulder | ||||
| S40.251A | Superficial foreign body of right shoulder, initial encounterCMS: Superficial foreign body of right shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.251D | Superficial foreign body of right shoulder, subsequent encounterCMS: Superficial foreign body of right shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.251S | Superficial foreign body of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.252 Superficial foreign body of left shoulder | ||||
| S40.252A | Superficial foreign body of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.252D | Superficial foreign body of left shoulder, subsequent encounterCMS: Superficial foreign body of left shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.252S | Superficial foreign body of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.259 Superficial foreign body of unspecified shoulder | ||||
| S40.259A | Superficial foreign body of unspecified shoulder, initial encounterCMS: Superficial foreign body of unsp shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.259D | Superficial foreign body of unspecified shoulder, subsequent encounterCMS: Superficial foreign body of unsp shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.259S | Superficial foreign body of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.26 Insect bite (nonvenomous) of shoulder | ||||
| S40.261 Insect bite (nonvenomous) of right shoulder | ||||
| S40.261A | Insect bite (nonvenomous) of right shoulder, initial encounterCMS: Insect bite (nonvenomous) of right shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.261D | Insect bite (nonvenomous) of right shoulder, subsequent encounterCMS: Insect bite (nonvenomous) of right shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.261S | Insect bite (nonvenomous) of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.262 Insect bite (nonvenomous) of left shoulder | ||||
| S40.262A | Insect bite (nonvenomous) of left shoulder, initial encounterCMS: Insect bite (nonvenomous) of left shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.262D | Insect bite (nonvenomous) of left shoulder, subsequent encounterCMS: Insect bite (nonvenomous) of left shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.262S | Insect bite (nonvenomous) of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.269 Insect bite (nonvenomous) of unspecified shoulder | ||||
| S40.269A | Insect bite (nonvenomous) of unspecified shoulder, initial encounterCMS: Insect bite (nonvenomous) of unsp shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.269D | Insect bite (nonvenomous) of unspecified shoulder, subsequent encounterCMS: Insect bite (nonvenomous) of unsp shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.269S | Insect bite (nonvenomous) of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.27 Other superficial bite of shoulder | ||||
| S40.271 Other superficial bite of right shoulder | ||||
| S40.271A | Other superficial bite of right shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.271D | Other superficial bite of right shoulder, subsequent encounterCMS: Other superficial bite of right shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.271S | Other superficial bite of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.272 Other superficial bite of left shoulder | ||||
| S40.272A | Other superficial bite of left shoulder, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.272D | Other superficial bite of left shoulder, subsequent encounterCMS: Other superficial bite of left shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.272S | Other superficial bite of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.279 Other superficial bite of unspecified shoulder | ||||
| S40.279A | Other superficial bite of unspecified shoulder, initial encounterCMS: Other superficial bite of unspecified shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.279D | Other superficial bite of unspecified shoulder, subsequent encounterCMS: Other superficial bite of unspecified shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.279S | Other superficial bite of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.8 Other superficial injuries of upper arm | ||||
| S40.81 Abrasion of upper arm | ||||
| S40.811 Abrasion of right upper arm | ||||
| S40.811A | Abrasion of right upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.811D | Abrasion of right upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.811S | Abrasion of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.812 Abrasion of left upper arm | ||||
| S40.812A | Abrasion of left upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.812D | Abrasion of left upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.812S | Abrasion of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.819 Abrasion of unspecified upper arm | ||||
| S40.819A | Abrasion of unspecified upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.819D | Abrasion of unspecified upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.819S | Abrasion of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.82 Blister (nonthermal) of upper arm | ||||
| S40.821 Blister (nonthermal) of right upper arm | ||||
| S40.821A | Blister (nonthermal) of right upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.821D | Blister (nonthermal) of right upper arm, subsequent encounterCMS: Blister (nonthermal) of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.821S | Blister (nonthermal) of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.822 Blister (nonthermal) of left upper arm | ||||
| S40.822A | Blister (nonthermal) of left upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.822D | Blister (nonthermal) of left upper arm, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.822S | Blister (nonthermal) of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.829 Blister (nonthermal) of unspecified upper arm | ||||
| S40.829A | Blister (nonthermal) of unspecified upper arm, initial encounterCMS: Blister (nonthermal) of unspecified upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.829D | Blister (nonthermal) of unspecified upper arm, subsequent encounterCMS: Blister (nonthermal) of unspecified upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.829S | Blister (nonthermal) of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.84 External constriction of upper arm | ||||
| S40.841 External constriction of right upper arm | ||||
| S40.841A | External constriction of right upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.841D | External constriction of right upper arm, subsequent encounterCMS: External constriction of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.841S | External constriction of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.842 External constriction of left upper arm | ||||
| S40.842A | External constriction of left upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.842D | External constriction of left upper arm, subsequent encounterCMS: External constriction of left upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.842S | External constriction of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.849 External constriction of unspecified upper arm | ||||
| S40.849A | External constriction of unspecified upper arm, initial encounterCMS: External constriction of unspecified upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.849D | External constriction of unspecified upper arm, subsequent encounterCMS: External constriction of unspecified upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.849S | External constriction of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.85 Superficial foreign body of upper arm | ||||
| S40.851 Superficial foreign body of right upper arm | ||||
| S40.851A | Superficial foreign body of right upper arm, initial encounterCMS: Superficial foreign body of right upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.851D | Superficial foreign body of right upper arm, subsequent encounterCMS: Superficial foreign body of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.851S | Superficial foreign body of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.852 Superficial foreign body of left upper arm | ||||
| S40.852A | Superficial foreign body of left upper arm, initial encounterCMS: Superficial foreign body of left upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.852D | Superficial foreign body of left upper arm, subsequent encounterCMS: Superficial foreign body of left upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.852S | Superficial foreign body of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.859 Superficial foreign body of unspecified upper arm | ||||
| S40.859A | Superficial foreign body of unspecified upper arm, initial encounterCMS: Superficial foreign body of unsp upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.859D | Superficial foreign body of unspecified upper arm, subsequent encounterCMS: Superficial foreign body of unsp upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.859S | Superficial foreign body of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.86 Insect bite (nonvenomous) of upper arm | ||||
| S40.861 Insect bite (nonvenomous) of right upper arm | ||||
| S40.861A | Insect bite (nonvenomous) of right upper arm, initial encounterCMS: Insect bite (nonvenomous) of right upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.861D | Insect bite (nonvenomous) of right upper arm, subsequent encounterCMS: Insect bite (nonvenomous) of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.861S | Insect bite (nonvenomous) of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.862 Insect bite (nonvenomous) of left upper arm | ||||
| S40.862A | Insect bite (nonvenomous) of left upper arm, initial encounterCMS: Insect bite (nonvenomous) of left upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.862D | Insect bite (nonvenomous) of left upper arm, subsequent encounterCMS: Insect bite (nonvenomous) of left upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.862S | Insect bite (nonvenomous) of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.869 Insect bite (nonvenomous) of unspecified upper arm | ||||
| S40.869A | Insect bite (nonvenomous) of unspecified upper arm, initial encounterCMS: Insect bite (nonvenomous) of unsp upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.869D | Insect bite (nonvenomous) of unspecified upper arm, subsequent encounterCMS: Insect bite (nonvenomous) of unsp upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.869S | Insect bite (nonvenomous) of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.87 Other superficial bite of upper arm | ||||
| S40.871 Other superficial bite of right upper arm | ||||
| S40.871A | Other superficial bite of right upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.871D | Other superficial bite of right upper arm, subsequent encounterCMS: Other superficial bite of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.871S | Other superficial bite of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.872 Other superficial bite of left upper arm | ||||
| S40.872A | Other superficial bite of left upper arm, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.872D | Other superficial bite of left upper arm, subsequent encounterCMS: Other superficial bite of left upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.872S | Other superficial bite of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.879 Other superficial bite of unspecified upper arm | ||||
| S40.879A | Other superficial bite of unspecified upper arm, initial encounterCMS: Other superficial bite of unspecified upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.879D | Other superficial bite of unspecified upper arm, subsequent encounterCMS: Other superficial bite of unspecified upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.879S | Other superficial bite of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.9 Unspecified superficial injury of shoulder and upper arm | ||||
| S40.91 Unspecified superficial injury of shoulder | ||||
| S40.911 Unspecified superficial injury of right shoulder | ||||
| S40.911A | Unspecified superficial injury of right shoulder, initial encounterCMS: Unsp superficial injury of right shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.911D | Unspecified superficial injury of right shoulder, subsequent encounterCMS: Unsp superficial injury of right shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.911S | Unspecified superficial injury of right shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.912 Unspecified superficial injury of left shoulder | ||||
| S40.912A | Unspecified superficial injury of left shoulder, initial encounterCMS: Unspecified superficial injury of left shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.912D | Unspecified superficial injury of left shoulder, subsequent encounterCMS: Unspecified superficial injury of left shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.912S | Unspecified superficial injury of left shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.919 Unspecified superficial injury of unspecified shoulder | ||||
| S40.919A | Unspecified superficial injury of unspecified shoulder, initial encounterCMS: Unsp superficial injury of unspecified shoulder, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.919D | Unspecified superficial injury of unspecified shoulder, subsequent encounterCMS: Unsp superficial injury of unspecified shoulder, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.919S | Unspecified superficial injury of unspecified shoulder, sequelaCMS: Unsp superficial injury of unspecified shoulder, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.92 Unspecified superficial injury of upper arm | ||||
| S40.921 Unspecified superficial injury of right upper arm | ||||
| S40.921A | Unspecified superficial injury of right upper arm, initial encounterCMS: Unsp superficial injury of right upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.921D | Unspecified superficial injury of right upper arm, subsequent encounterCMS: Unsp superficial injury of right upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.921S | Unspecified superficial injury of right upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.922 Unspecified superficial injury of left upper arm | ||||
| S40.922A | Unspecified superficial injury of left upper arm, initial encounterCMS: Unsp superficial injury of left upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.922D | Unspecified superficial injury of left upper arm, subsequent encounterCMS: Unsp superficial injury of left upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.922S | Unspecified superficial injury of left upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.929 Unspecified superficial injury of unspecified upper arm | ||||
| S40.929A | Unspecified superficial injury of unspecified upper arm, initial encounterCMS: Unsp superficial injury of unsp upper arm, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.929D | Unspecified superficial injury of unspecified upper arm, subsequent encounterCMS: Unsp superficial injury of unsp upper arm, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S40.929S | Unspecified superficial injury of unspecified upper arm, sequelaCMS: Unsp superficial injury of unspecified upper arm, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
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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