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

T26-T28 — Burns and corrosions confined to eye and internal organs

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.

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

Codes in range

168

No clinical group

114

A period cannot be grouped from these.

Barred as primary

0

CMS rejects these in the primary position.

Where these codes group

54 of the 168 codes in T26-T28 group to MMTA - Other. A further 114 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.

Code families in T26-T28

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in T26-T28

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
T2600XABurn of unspecified eyelid and periocular area, init encntrNoneCannot lead a claim
T2600XDBurn of unspecified eyelid and periocular area, subs encntrNoneCannot lead a claim
T2600XSBurn of unspecified eyelid and periocular area, sequelaNoneCannot lead a claim
T2601XABurn of right eyelid and periocular area, initial encounterACan lead a claim
T2601XDBurn of right eyelid and periocular area, subs encntrACan lead a claim
T2601XSBurn of right eyelid and periocular area, sequelaACan lead a claim
T2602XABurn of left eyelid and periocular area, initial encounterACan lead a claim
T2602XDBurn of left eyelid and periocular area, subs encntrACan lead a claim
T2602XSBurn of left eyelid and periocular area, sequelaACan lead a claim
T2610XABurn of cornea and conjunctival sac, unsp eye, init encntrNoneCannot lead a claim
T2610XDBurn of cornea and conjunctival sac, unsp eye, subs encntrNoneCannot lead a claim
T2610XSBurn of cornea and conjunctival sac, unsp eye, sequelaNoneCannot lead a claim
T2611XABurn of cornea and conjunctival sac, right eye, init encntrACan lead a claim
T2611XDBurn of cornea and conjunctival sac, right eye, subs encntrACan lead a claim
T2611XSBurn of cornea and conjunctival sac, right eye, sequelaACan lead a claim
T2612XABurn of cornea and conjunctival sac, left eye, init encntrACan lead a claim
T2612XDBurn of cornea and conjunctival sac, left eye, subs encntrACan lead a claim
T2612XSBurn of cornea and conjunctival sac, left eye, sequelaACan lead a claim
T2620XABurn w resulting rupture and dest of unsp eyeball, initNoneCannot lead a claim
T2620XDBurn w resulting rupture and dest of unsp eyeball, subsNoneCannot lead a claim
T2620XSBurn w resulting rupture and dest of unsp eyeball, sequelaNoneCannot lead a claim
T2621XABurn w resulting rupture and dest of right eyeball, initACan lead a claim
T2621XDBurn w resulting rupture and dest of right eyeball, subsACan lead a claim
T2621XSBurn w resulting rupture and dest of right eyeball, sequelaACan lead a claim
T2622XABurn w resulting rupture and dest of left eyeball, initACan lead a claim
T2622XDBurn w resulting rupture and dest of left eyeball, subsACan lead a claim
T2622XSBurn w resulting rupture and dest of left eyeball, sequelaACan lead a claim
T2630XABurns of oth parts of unsp eye and adnexa, init encntrNoneCannot lead a claim
T2630XDBurns of oth parts of unsp eye and adnexa, subs encntrNoneCannot lead a claim
T2630XSBurns of oth parts of unspecified eye and adnexa, sequelaNoneCannot lead a claim
T2631XABurns of oth parts of right eye and adnexa, init encntrACan lead a claim
T2631XDBurns of oth parts of right eye and adnexa, subs encntrACan lead a claim
T2631XSBurns of oth parts of right eye and adnexa, sequelaACan lead a claim
T2632XABurns of oth parts of left eye and adnexa, init encntrACan lead a claim
T2632XDBurns of oth parts of left eye and adnexa, subs encntrACan lead a claim
T2632XSBurns of oth parts of left eye and adnexa, sequelaACan lead a claim
T2640XABurn of unsp eye and adnexa, part unspecified, init encntrNoneCannot lead a claim
T2640XDBurn of unsp eye and adnexa, part unspecified, subs encntrNoneCannot lead a claim
T2640XSBurn of unsp eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T2641XABurn of right eye and adnexa, part unspecified, init encntrNoneCannot lead a claim
T2641XDBurn of right eye and adnexa, part unspecified, subs encntrNoneCannot lead a claim
T2641XSBurn of right eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T2642XABurn of left eye and adnexa, part unspecified, init encntrNoneCannot lead a claim
T2642XDBurn of left eye and adnexa, part unspecified, subs encntrNoneCannot lead a claim
T2642XSBurn of left eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T2650XACorrosion of unsp eyelid and periocular area, init encntrNoneCannot lead a claim
T2650XDCorrosion of unsp eyelid and periocular area, subs encntrNoneCannot lead a claim
T2650XSCorrosion of unspecified eyelid and periocular area, sequelaNoneCannot lead a claim
T2651XACorrosion of right eyelid and periocular area, init encntrNoneCannot lead a claim
T2651XDCorrosion of right eyelid and periocular area, subs encntrNoneCannot lead a claim
T2651XSCorrosion of right eyelid and periocular area, sequelaNoneCannot lead a claim
T2652XACorrosion of left eyelid and periocular area, init encntrNoneCannot lead a claim
T2652XDCorrosion of left eyelid and periocular area, subs encntrNoneCannot lead a claim
T2652XSCorrosion of left eyelid and periocular area, sequelaNoneCannot lead a claim
T2660XACorrosion of cornea and conjunctival sac, unsp eye, initNoneCannot lead a claim
T2660XDCorrosion of cornea and conjunctival sac, unsp eye, subsNoneCannot lead a claim
T2660XSCorrosion of cornea and conjunctival sac, unsp eye, sequelaNoneCannot lead a claim
T2661XACorrosion of cornea and conjunctival sac, right eye, initNoneCannot lead a claim
T2661XDCorrosion of cornea and conjunctival sac, right eye, subsNoneCannot lead a claim
T2661XSCorrosion of cornea and conjunctival sac, right eye, sequelaNoneCannot lead a claim
T2662XACorrosion of cornea and conjunctival sac, left eye, initNoneCannot lead a claim
T2662XDCorrosion of cornea and conjunctival sac, left eye, subsNoneCannot lead a claim
T2662XSCorrosion of cornea and conjunctival sac, left eye, sequelaNoneCannot lead a claim
T2670XACorrosion w resulting rupture and dest of unsp eyeball, initNoneCannot lead a claim
T2670XDCorrosion w resulting rupture and dest of unsp eyeball, subsNoneCannot lead a claim
T2670XSCorros w resulting rupture and dest of unsp eyeball, sequelaNoneCannot lead a claim
T2671XACorros w resulting rupture and dest of right eyeball, initNoneCannot lead a claim
T2671XDCorros w resulting rupture and dest of right eyeball, subsNoneCannot lead a claim
T2671XSCorros w rslt rupture and dest of right eyeball, sequelaNoneCannot lead a claim
T2672XACorrosion w resulting rupture and dest of left eyeball, initNoneCannot lead a claim
T2672XDCorrosion w resulting rupture and dest of left eyeball, subsNoneCannot lead a claim
T2672XSCorros w resulting rupture and dest of left eyeball, sequelaNoneCannot lead a claim
T2680XACorrosions of oth parts of unsp eye and adnexa, init encntrNoneCannot lead a claim
T2680XDCorrosions of oth parts of unsp eye and adnexa, subs encntrNoneCannot lead a claim
T2680XSCorrosions of oth parts of unsp eye and adnexa, sequelaNoneCannot lead a claim
T2681XACorrosions of oth parts of right eye and adnexa, init encntrNoneCannot lead a claim
T2681XDCorrosions of oth parts of right eye and adnexa, subs encntrNoneCannot lead a claim
T2681XSCorrosions of oth parts of right eye and adnexa, sequelaNoneCannot lead a claim
T2682XACorrosions of oth parts of left eye and adnexa, init encntrNoneCannot lead a claim
T2682XDCorrosions of oth parts of left eye and adnexa, subs encntrNoneCannot lead a claim
T2682XSCorrosions of oth parts of left eye and adnexa, sequelaNoneCannot lead a claim
T2690XACorrosion of unsp eye and adnexa, part unsp, init encntrNoneCannot lead a claim
T2690XDCorrosion of unsp eye and adnexa, part unsp, subs encntrNoneCannot lead a claim
T2690XSCorrosion of unsp eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T2691XACorrosion of right eye and adnexa, part unsp, init encntrNoneCannot lead a claim
T2691XDCorrosion of right eye and adnexa, part unsp, subs encntrNoneCannot lead a claim
T2691XSCorrosion of right eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T2692XACorrosion of left eye and adnexa, part unsp, init encntrNoneCannot lead a claim
T2692XDCorrosion of left eye and adnexa, part unsp, subs encntrNoneCannot lead a claim
T2692XSCorrosion of left eye and adnexa, part unspecified, sequelaNoneCannot lead a claim
T270XXABurn of larynx and trachea, initial encounterACan lead a claim
T270XXDBurn of larynx and trachea, subsequent encounterACan lead a claim
T270XXSBurn of larynx and trachea, sequelaACan lead a claim
T271XXABurn involving larynx and trachea with lung, init encntrACan lead a claim
T271XXDBurn involving larynx and trachea with lung, subs encntrACan lead a claim
T271XXSBurn involving larynx and trachea with lung, sequelaACan lead a claim
T272XXABurn of other parts of respiratory tract, initial encounterACan lead a claim
T272XXDBurn of other parts of respiratory tract, subs encntrACan lead a claim
T272XXSBurn of other parts of respiratory tract, sequelaACan lead a claim
T273XXABurn of respiratory tract, part unspecified, init encntrNoneCannot lead a claim
T273XXDBurn of respiratory tract, part unspecified, subs encntrNoneCannot lead a claim
T273XXSBurn of respiratory tract, part unspecified, sequelaNoneCannot lead a claim
T274XXACorrosion of larynx and trachea, initial encounterNoneCannot lead a claim
T274XXDCorrosion of larynx and trachea, subsequent encounterNoneCannot lead a claim
T274XXSCorrosion of larynx and trachea, sequelaNoneCannot lead a claim
T275XXACorrosion involving larynx and trachea w lung, init encntrNoneCannot lead a claim
T275XXDCorrosion involving larynx and trachea w lung, subs encntrNoneCannot lead a claim
T275XXSCorrosion involving larynx and trachea with lung, sequelaNoneCannot lead a claim
T276XXACorrosion of other parts of respiratory tract, init encntrNoneCannot lead a claim
T276XXDCorrosion of other parts of respiratory tract, subs encntrNoneCannot lead a claim
T276XXSCorrosion of other parts of respiratory tract, sequelaNoneCannot lead a claim
T277XXACorrosion of respiratory tract, part unsp, init encntrNoneCannot lead a claim
T277XXDCorrosion of respiratory tract, part unsp, subs encntrNoneCannot lead a claim
T277XXSCorrosion of respiratory tract, part unspecified, sequelaNoneCannot lead a claim
T280XXABurn of mouth and pharynx, initial encounterACan lead a claim
T280XXDBurn of mouth and pharynx, subsequent encounterACan lead a claim
T280XXSBurn of mouth and pharynx, sequelaACan lead a claim
T281XXABurn of esophagus, initial encounterACan lead a claim
T281XXDBurn of esophagus, subsequent encounterACan lead a claim
T281XXSBurn of esophagus, sequelaACan lead a claim
T282XXABurn of other parts of alimentary tract, initial encounterACan lead a claim
T282XXDBurn of other parts of alimentary tract, subs encntrACan lead a claim
T282XXSBurn of other parts of alimentary tract, sequelaACan lead a claim
T283XXABurn of internal genitourinary organs, initial encounterACan lead a claim
T283XXDBurn of internal genitourinary organs, subsequent encounterACan lead a claim
T283XXSBurn of internal genitourinary organs, sequelaACan lead a claim
T2840XABurn of unspecified internal organ, initial encounterNoneCannot lead a claim
T2840XDBurn of unspecified internal organ, subsequent encounterNoneCannot lead a claim
T2840XSBurn of unspecified internal organ, sequelaNoneCannot lead a claim
T28411ABurn of right ear drum, initial encounterACan lead a claim
T28411DBurn of right ear drum, subsequent encounterACan lead a claim
T28411SBurn of right ear drum, sequelaACan lead a claim
T28412ABurn of left ear drum, initial encounterACan lead a claim
T28412DBurn of left ear drum, subsequent encounterACan lead a claim
T28412SBurn of left ear drum, sequelaACan lead a claim
T28419ABurn of unspecified ear drum, initial encounterNoneCannot lead a claim
T28419DBurn of unspecified ear drum, subsequent encounterNoneCannot lead a claim
T28419SBurn of unspecified ear drum, sequelaNoneCannot lead a claim
T2849XABurn of other internal organ, initial encounterACan lead a claim
T2849XDBurn of other internal organ, subsequent encounterACan lead a claim
T2849XSBurn of other internal organ, sequelaACan lead a claim
T285XXACorrosion of mouth and pharynx, initial encounterNoneCannot lead a claim
T285XXDCorrosion of mouth and pharynx, subsequent encounterNoneCannot lead a claim
T285XXSCorrosion of mouth and pharynx, sequelaNoneCannot lead a claim
T286XXACorrosion of esophagus, initial encounterNoneCannot lead a claim
T286XXDCorrosion of esophagus, subsequent encounterNoneCannot lead a claim
T286XXSCorrosion of esophagus, sequelaNoneCannot lead a claim
T287XXACorrosion of other parts of alimentary tract, init encntrNoneCannot lead a claim
T287XXDCorrosion of other parts of alimentary tract, subs encntrNoneCannot lead a claim
T287XXSCorrosion of other parts of alimentary tract, sequelaNoneCannot lead a claim
T288XXACorrosion of internal genitourinary organs, init encntrNoneCannot lead a claim
T288XXDCorrosion of internal genitourinary organs, subs encntrNoneCannot lead a claim
T288XXSCorrosion of internal genitourinary organs, sequelaNoneCannot lead a claim
T2890XACorrosions of unspecified internal organs, initial encounterNoneCannot lead a claim
T2890XDCorrosions of unspecified internal organs, subs encntrNoneCannot lead a claim
T2890XSCorrosions of unspecified internal organs, sequelaNoneCannot lead a claim
T28911ACorrosions of right ear drum, initial encounterNoneCannot lead a claim
T28911DCorrosions of right ear drum, subsequent encounterNoneCannot lead a claim
T28911SCorrosions of right ear drum, sequelaNoneCannot lead a claim
T28912ACorrosions of left ear drum, initial encounterNoneCannot lead a claim
T28912DCorrosions of left ear drum, subsequent encounterNoneCannot lead a claim
T28912SCorrosions of left ear drum, sequelaNoneCannot lead a claim
T28919ACorrosions of unspecified ear drum, initial encounterNoneCannot lead a claim
T28919DCorrosions of unspecified ear drum, subsequent encounterNoneCannot lead a claim
T28919SCorrosions of unspecified ear drum, sequelaNoneCannot lead a claim
T2899XACorrosions of other internal organs, initial encounterNoneCannot lead a claim
T2899XDCorrosions of other internal organs, subsequent encounterNoneCannot lead a claim
T2899XSCorrosions of other internal organs, sequelaNoneCannot lead a claim

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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.

The monthly home health regs digest

What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue