ICD-10 · PDGM grouping
T65 Toxic effect of other and unspecified substances
All 192 codes in the T65 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.
Codes in family
192
Can lead a claim
192
Cannot lead a claim
0
What CMS assigns to T65
All 192 codes group to MMTA - Other. None of the 192 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in T65
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 |
|---|---|---|---|---|
| T65.0 Toxic effect of cyanides | ||||
| T65.0X Toxic effect of cyanides | ||||
| T65.0X1 Toxic effect of cyanides, accidental (unintentional) | ||||
| T65.0X1A | Toxic effect of cyanides, accidental (unintentional), initial encounterCMS: Toxic effect of cyanides, accidental (unintentional), init | Can lead a claim | A | None |
| T65.0X1D | Toxic effect of cyanides, accidental (unintentional), subsequent encounterCMS: Toxic effect of cyanides, accidental (unintentional), subs | Can lead a claim | A | None |
| T65.0X1S | Toxic effect of cyanides, accidental (unintentional), sequelaCMS: Toxic effect of cyanides, accidental, sequela | Can lead a claim | A | None |
| T65.0X2 Toxic effect of cyanides, intentional self-harm | ||||
| T65.0X2A | Toxic effect of cyanides, intentional self-harm, initial encounterCMS: Toxic effect of cyanides, intentional self-harm, init encntr | Can lead a claim | A | None |
| T65.0X2D | Toxic effect of cyanides, intentional self-harm, subsequent encounterCMS: Toxic effect of cyanides, intentional self-harm, subs encntr | Can lead a claim | A | None |
| T65.0X2S | Toxic effect of cyanides, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.0X3 Toxic effect of cyanides, assault | ||||
| T65.0X3A | Toxic effect of cyanides, assault, initial encounter | Can lead a claim | A | None |
| T65.0X3D | Toxic effect of cyanides, assault, subsequent encounter | Can lead a claim | A | None |
| T65.0X3S | Toxic effect of cyanides, assault, sequela | Can lead a claim | A | None |
| T65.0X4 Toxic effect of cyanides, undetermined | ||||
| T65.0X4A | Toxic effect of cyanides, undetermined, initial encounter | Can lead a claim | A | None |
| T65.0X4D | Toxic effect of cyanides, undetermined, subsequent encounter | Can lead a claim | A | None |
| T65.0X4S | Toxic effect of cyanides, undetermined, sequela | Can lead a claim | A | None |
| T65.1 Toxic effect of strychnine and its salts | ||||
| T65.1X Toxic effect of strychnine and its salts | ||||
| T65.1X1 Toxic effect of strychnine and its salts, accidental (unintentional) | ||||
| T65.1X1A | Toxic effect of strychnine and its salts, accidental (unintentional), initial encounterCMS: Toxic effect of strychnine and its salts, accidental, init | Can lead a claim | A | None |
| T65.1X1D | Toxic effect of strychnine and its salts, accidental (unintentional), subsequent encounterCMS: Toxic effect of strychnine and its salts, accidental, subs | Can lead a claim | A | None |
| T65.1X1S | Toxic effect of strychnine and its salts, accidental (unintentional), sequelaCMS: Toxic effect of strychnine and its salts, acc, sequela | Can lead a claim | A | None |
| T65.1X2 Toxic effect of strychnine and its salts, intentional self-harm | ||||
| T65.1X2A | Toxic effect of strychnine and its salts, intentional self-harm, initial encounterCMS: Toxic effect of strychnine and its salts, self-harm, init | Can lead a claim | A | None |
| T65.1X2D | Toxic effect of strychnine and its salts, intentional self-harm, subsequent encounterCMS: Toxic effect of strychnine and its salts, self-harm, subs | Can lead a claim | A | None |
| T65.1X2S | Toxic effect of strychnine and its salts, intentional self-harm, sequelaCMS: Toxic effect of strychnine and its salts, self-harm, sequela | Can lead a claim | A | None |
| T65.1X3 Toxic effect of strychnine and its salts, assault | ||||
| T65.1X3A | Toxic effect of strychnine and its salts, assault, initial encounterCMS: Toxic effect of strychnine and its salts, assault, init | Can lead a claim | A | None |
| T65.1X3D | Toxic effect of strychnine and its salts, assault, subsequent encounterCMS: Toxic effect of strychnine and its salts, assault, subs | Can lead a claim | A | None |
| T65.1X3S | Toxic effect of strychnine and its salts, assault, sequela | Can lead a claim | A | None |
| T65.1X4 Toxic effect of strychnine and its salts, undetermined | ||||
| T65.1X4A | Toxic effect of strychnine and its salts, undetermined, initial encounterCMS: Toxic effect of strychnine and its salts, undetermined, init | Can lead a claim | A | None |
| T65.1X4D | Toxic effect of strychnine and its salts, undetermined, subsequent encounterCMS: Toxic effect of strychnine and its salts, undetermined, subs | Can lead a claim | A | None |
| T65.1X4S | Toxic effect of strychnine and its salts, undetermined, sequelaCMS: Toxic effect of strychnine and its salts, undet, sequela | Can lead a claim | A | None |
| T65.2 Toxic effect of tobacco and nicotine | ||||
| T65.21 Toxic effect of chewing tobacco | ||||
| T65.211 Toxic effect of chewing tobacco, accidental (unintentional) | ||||
| T65.211A | Toxic effect of chewing tobacco, accidental (unintentional), initial encounterCMS: Toxic effect of chewing tobacco, accidental, init | Can lead a claim | A | None |
| T65.211D | Toxic effect of chewing tobacco, accidental (unintentional), subsequent encounterCMS: Toxic effect of chewing tobacco, accidental, subs | Can lead a claim | A | None |
| T65.211S | Toxic effect of chewing tobacco, accidental (unintentional), sequelaCMS: Toxic effect of chewing tobacco, accidental, sequela | Can lead a claim | A | None |
| T65.212 Toxic effect of chewing tobacco, intentional self-harm | ||||
| T65.212A | Toxic effect of chewing tobacco, intentional self-harm, initial encounterCMS: Toxic effect of chewing tobacco, intentional self-harm, init | Can lead a claim | A | None |
| T65.212D | Toxic effect of chewing tobacco, intentional self-harm, subsequent encounterCMS: Toxic effect of chewing tobacco, intentional self-harm, subs | Can lead a claim | A | None |
| T65.212S | Toxic effect of chewing tobacco, intentional self-harm, sequelaCMS: Toxic effect of chewing tobacco, self-harm, sequela | Can lead a claim | A | None |
| T65.213 Toxic effect of chewing tobacco, assault | ||||
| T65.213A | Toxic effect of chewing tobacco, assault, initial encounter | Can lead a claim | A | None |
| T65.213D | Toxic effect of chewing tobacco, assault, subsequent encounterCMS: Toxic effect of chewing tobacco, assault, subs encntr | Can lead a claim | A | None |
| T65.213S | Toxic effect of chewing tobacco, assault, sequela | Can lead a claim | A | None |
| T65.214 Toxic effect of chewing tobacco, undetermined | ||||
| T65.214A | Toxic effect of chewing tobacco, undetermined, initial encounterCMS: Toxic effect of chewing tobacco, undetermined, init encntr | Can lead a claim | A | None |
| T65.214D | Toxic effect of chewing tobacco, undetermined, subsequent encounterCMS: Toxic effect of chewing tobacco, undetermined, subs encntr | Can lead a claim | A | None |
| T65.214S | Toxic effect of chewing tobacco, undetermined, sequela | Can lead a claim | A | None |
| T65.22 Toxic effect of tobacco cigarettes | ||||
| T65.221 Toxic effect of tobacco cigarettes, accidental (unintentional) | ||||
| T65.221A | Toxic effect of tobacco cigarettes, accidental (unintentional), initial encounterCMS: Toxic effect of tobacco cigarettes, accidental, init | Can lead a claim | A | None |
| T65.221D | Toxic effect of tobacco cigarettes, accidental (unintentional), subsequent encounterCMS: Toxic effect of tobacco cigarettes, accidental, subs | Can lead a claim | A | None |
| T65.221S | Toxic effect of tobacco cigarettes, accidental (unintentional), sequelaCMS: Toxic effect of tobacco cigarettes, accidental, sequela | Can lead a claim | A | None |
| T65.222 Toxic effect of tobacco cigarettes, intentional self-harm | ||||
| T65.222A | Toxic effect of tobacco cigarettes, intentional self-harm, initial encounterCMS: Toxic effect of tobacco cigarettes, self-harm, init | Can lead a claim | A | None |
| T65.222D | Toxic effect of tobacco cigarettes, intentional self-harm, subsequent encounterCMS: Toxic effect of tobacco cigarettes, self-harm, subs | Can lead a claim | A | None |
| T65.222S | Toxic effect of tobacco cigarettes, intentional self-harm, sequelaCMS: Toxic effect of tobacco cigarettes, self-harm, sequela | Can lead a claim | A | None |
| T65.223 Toxic effect of tobacco cigarettes, assault | ||||
| T65.223A | Toxic effect of tobacco cigarettes, assault, initial encounterCMS: Toxic effect of tobacco cigarettes, assault, init encntr | Can lead a claim | A | None |
| T65.223D | Toxic effect of tobacco cigarettes, assault, subsequent encounterCMS: Toxic effect of tobacco cigarettes, assault, subs encntr | Can lead a claim | A | None |
| T65.223S | Toxic effect of tobacco cigarettes, assault, sequela | Can lead a claim | A | None |
| T65.224 Toxic effect of tobacco cigarettes, undetermined | ||||
| T65.224A | Toxic effect of tobacco cigarettes, undetermined, initial encounterCMS: Toxic effect of tobacco cigarettes, undetermined, init | Can lead a claim | A | None |
| T65.224D | Toxic effect of tobacco cigarettes, undetermined, subsequent encounterCMS: Toxic effect of tobacco cigarettes, undetermined, subs | Can lead a claim | A | None |
| T65.224S | Toxic effect of tobacco cigarettes, undetermined, sequela | Can lead a claim | A | None |
| T65.29 Toxic effect of other tobacco and nicotine | ||||
| T65.291 Toxic effect of other tobacco and nicotine, accidental (unintentional) | ||||
| T65.291A | Toxic effect of other tobacco and nicotine, accidental (unintentional), initial encounterCMS: Toxic effect of tobacco and nicotine, accidental, init | Can lead a claim | A | None |
| T65.291D | Toxic effect of other tobacco and nicotine, accidental (unintentional), subsequent encounterCMS: Toxic effect of tobacco and nicotine, accidental, subs | Can lead a claim | A | None |
| T65.291S | Toxic effect of other tobacco and nicotine, accidental (unintentional), sequelaCMS: Toxic effect of tobacco and nicotine, accidental, sequela | Can lead a claim | A | None |
| T65.292 Toxic effect of other tobacco and nicotine, intentional self-harm | ||||
| T65.292A | Toxic effect of other tobacco and nicotine, intentional self-harm, initial encounterCMS: Toxic effect of tobacco and nicotine, self-harm, init | Can lead a claim | A | None |
| T65.292D | Toxic effect of other tobacco and nicotine, intentional self-harm, subsequent encounterCMS: Toxic effect of tobacco and nicotine, self-harm, subs | Can lead a claim | A | None |
| T65.292S | Toxic effect of other tobacco and nicotine, intentional self-harm, sequelaCMS: Toxic effect of tobacco and nicotine, self-harm, sequela | Can lead a claim | A | None |
| T65.293 Toxic effect of other tobacco and nicotine, assault | ||||
| T65.293A | Toxic effect of other tobacco and nicotine, assault, initial encounterCMS: Toxic effect of oth tobacco and nicotine, assault, init | Can lead a claim | A | None |
| T65.293D | Toxic effect of other tobacco and nicotine, assault, subsequent encounterCMS: Toxic effect of oth tobacco and nicotine, assault, subs | Can lead a claim | A | None |
| T65.293S | Toxic effect of other tobacco and nicotine, assault, sequela | Can lead a claim | A | None |
| T65.294 Toxic effect of other tobacco and nicotine, undetermined | ||||
| T65.294A | Toxic effect of other tobacco and nicotine, undetermined, initial encounterCMS: Toxic effect of oth tobacco and nicotine, undetermined, init | Can lead a claim | A | None |
| T65.294D | Toxic effect of other tobacco and nicotine, undetermined, subsequent encounterCMS: Toxic effect of oth tobacco and nicotine, undetermined, subs | Can lead a claim | A | None |
| T65.294S | Toxic effect of other tobacco and nicotine, undetermined, sequelaCMS: Toxic effect of tobacco and nicotine, undetermined, sequela | Can lead a claim | A | None |
| T65.3 Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues | ||||
| T65.3X Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues | ||||
| T65.3X1 Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, accidental (unintentional) | ||||
| T65.3X1A | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, accidental (unintentional), initial encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, acc, init | Can lead a claim | A | None |
| T65.3X1D | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, accidental (unintentional), subsequent encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, acc, subs | Can lead a claim | A | None |
| T65.3X1S | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, accidental (unintentional), sequelaCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, acc, sqla | Can lead a claim | A | None |
| T65.3X2 Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, intentional self-harm | ||||
| T65.3X2A | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, intentional self-harm, initial encounterCMS: Tox eff of nitrodrv/aminodrv of benzn/homolog, slf-hrm, init | Can lead a claim | A | None |
| T65.3X2D | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, intentional self-harm, subsequent encounterCMS: Tox eff of nitrodrv/aminodrv of benzn/homolog, slf-hrm, subs | Can lead a claim | A | None |
| T65.3X2S | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, intentional self-harm, sequelaCMS: Tox eff of nitrodrv/aminodrv of benzn/homolog, slf-hrm, sqla | Can lead a claim | A | None |
| T65.3X3 Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, assault | ||||
| T65.3X3A | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, assault, initial encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, asslt, init | Can lead a claim | A | None |
| T65.3X3D | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, assault, subsequent encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, asslt, subs | Can lead a claim | A | None |
| T65.3X3S | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, assault, sequelaCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, asslt, sqla | Can lead a claim | A | None |
| T65.3X4 Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined | ||||
| T65.3X4A | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined, initial encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, undet, init | Can lead a claim | A | None |
| T65.3X4D | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined, subsequent encounterCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, undet, subs | Can lead a claim | A | None |
| T65.3X4S | Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined, sequelaCMS: Toxic eff of nitrodrv/aminodrv of benzn/homolog, undet, sqla | Can lead a claim | A | None |
| T65.4 Toxic effect of carbon disulfide | ||||
| T65.4X Toxic effect of carbon disulfide | ||||
| T65.4X1 Toxic effect of carbon disulfide, accidental (unintentional) | ||||
| T65.4X1A | Toxic effect of carbon disulfide, accidental (unintentional), initial encounterCMS: Toxic effect of carbon disulfide, accidental, init | Can lead a claim | A | None |
| T65.4X1D | Toxic effect of carbon disulfide, accidental (unintentional), subsequent encounterCMS: Toxic effect of carbon disulfide, accidental, subs | Can lead a claim | A | None |
| T65.4X1S | Toxic effect of carbon disulfide, accidental (unintentional), sequelaCMS: Toxic effect of carbon disulfide, accidental, sequela | Can lead a claim | A | None |
| T65.4X2 Toxic effect of carbon disulfide, intentional self-harm | ||||
| T65.4X2A | Toxic effect of carbon disulfide, intentional self-harm, initial encounterCMS: Toxic effect of carbon disulfide, self-harm, init | Can lead a claim | A | None |
| T65.4X2D | Toxic effect of carbon disulfide, intentional self-harm, subsequent encounterCMS: Toxic effect of carbon disulfide, self-harm, subs | Can lead a claim | A | None |
| T65.4X2S | Toxic effect of carbon disulfide, intentional self-harm, sequelaCMS: Toxic effect of carbon disulfide, self-harm, sequela | Can lead a claim | A | None |
| T65.4X3 Toxic effect of carbon disulfide, assault | ||||
| T65.4X3A | Toxic effect of carbon disulfide, assault, initial encounter | Can lead a claim | A | None |
| T65.4X3D | Toxic effect of carbon disulfide, assault, subsequent encounterCMS: Toxic effect of carbon disulfide, assault, subs encntr | Can lead a claim | A | None |
| T65.4X3S | Toxic effect of carbon disulfide, assault, sequela | Can lead a claim | A | None |
| T65.4X4 Toxic effect of carbon disulfide, undetermined | ||||
| T65.4X4A | Toxic effect of carbon disulfide, undetermined, initial encounterCMS: Toxic effect of carbon disulfide, undetermined, init encntr | Can lead a claim | A | None |
| T65.4X4D | Toxic effect of carbon disulfide, undetermined, subsequent encounterCMS: Toxic effect of carbon disulfide, undetermined, subs encntr | Can lead a claim | A | None |
| T65.4X4S | Toxic effect of carbon disulfide, undetermined, sequela | Can lead a claim | A | None |
| T65.5 Toxic effect of nitroglycerin and other nitric acids and esters | ||||
| T65.5X Toxic effect of nitroglycerin and other nitric acids and esters | ||||
| T65.5X1 Toxic effect of nitroglycerin and other nitric acids and esters, accidental (unintentional) | ||||
| T65.5X1A | Toxic effect of nitroglycerin and other nitric acids and esters, accidental (unintentional), initial encounterCMS: Tox eff of nitro and oth nitric acids and esters, acc, init | Can lead a claim | A | None |
| T65.5X1D | Toxic effect of nitroglycerin and other nitric acids and esters, accidental (unintentional), subsequent encounterCMS: Tox eff of nitro and oth nitric acids and esters, acc, subs | Can lead a claim | A | None |
| T65.5X1S | Toxic effect of nitroglycerin and other nitric acids and esters, accidental (unintentional), sequelaCMS: Tox eff of nitro and oth nitric acids and esters, acc, sqla | Can lead a claim | A | None |
| T65.5X2 Toxic effect of nitroglycerin and other nitric acids and esters, intentional self-harm | ||||
| T65.5X2A | Toxic effect of nitroglycerin and other nitric acids and esters, intentional self-harm, initial encounterCMS: Tox eff of nitro & oth nitric acids & esters, slf-hrm, init | Can lead a claim | A | None |
| T65.5X2D | Toxic effect of nitroglycerin and other nitric acids and esters, intentional self-harm, subsequent encounterCMS: Tox eff of nitro & oth nitric acids & esters, slf-hrm, subs | Can lead a claim | A | None |
| T65.5X2S | Toxic effect of nitroglycerin and other nitric acids and esters, intentional self-harm, sequelaCMS: Tox eff of nitro & oth nitric acids & esters, slf-hrm, sqla | Can lead a claim | A | None |
| T65.5X3 Toxic effect of nitroglycerin and other nitric acids and esters, assault | ||||
| T65.5X3A | Toxic effect of nitroglycerin and other nitric acids and esters, assault, initial encounterCMS: Tox eff of nitro & oth nitric acids and esters, asslt, init | Can lead a claim | A | None |
| T65.5X3D | Toxic effect of nitroglycerin and other nitric acids and esters, assault, subsequent encounterCMS: Tox eff of nitro & oth nitric acids and esters, asslt, subs | Can lead a claim | A | None |
| T65.5X3S | Toxic effect of nitroglycerin and other nitric acids and esters, assault, sequelaCMS: Tox eff of nitro & oth nitric acids and esters, asslt, sqla | Can lead a claim | A | None |
| T65.5X4 Toxic effect of nitroglycerin and other nitric acids and esters, undetermined | ||||
| T65.5X4A | Toxic effect of nitroglycerin and other nitric acids and esters, undetermined, initial encounterCMS: Tox eff of nitro & oth nitric acids and esters, undet, init | Can lead a claim | A | None |
| T65.5X4D | Toxic effect of nitroglycerin and other nitric acids and esters, undetermined, subsequent encounterCMS: Tox eff of nitro & oth nitric acids and esters, undet, subs | Can lead a claim | A | None |
| T65.5X4S | Toxic effect of nitroglycerin and other nitric acids and esters, undetermined, sequelaCMS: Tox eff of nitro & oth nitric acids and esters, undet, sqla | Can lead a claim | A | None |
| T65.6 Toxic effect of paints and dyes, not elsewhere classified | ||||
| T65.6X Toxic effect of paints and dyes, not elsewhere classified | ||||
| T65.6X1 Toxic effect of paints and dyes, not elsewhere classified, accidental (unintentional) | ||||
| T65.6X1A | Toxic effect of paints and dyes, not elsewhere classified, accidental (unintentional), initial encounterCMS: Toxic effect of paints and dyes, NEC, accidental, init | Can lead a claim | A | None |
| T65.6X1D | Toxic effect of paints and dyes, not elsewhere classified, accidental (unintentional), subsequent encounterCMS: Toxic effect of paints and dyes, NEC, accidental, subs | Can lead a claim | A | None |
| T65.6X1S | Toxic effect of paints and dyes, not elsewhere classified, accidental (unintentional), sequelaCMS: Toxic effect of paints and dyes, NEC, accidental, sequela | Can lead a claim | A | None |
| T65.6X2 Toxic effect of paints and dyes, not elsewhere classified, intentional self-harm | ||||
| T65.6X2A | Toxic effect of paints and dyes, not elsewhere classified, intentional self-harm, initial encounterCMS: Toxic effect of paints and dyes, NEC, self-harm, init | Can lead a claim | A | None |
| T65.6X2D | Toxic effect of paints and dyes, not elsewhere classified, intentional self-harm, subsequent encounterCMS: Toxic effect of paints and dyes, NEC, self-harm, subs | Can lead a claim | A | None |
| T65.6X2S | Toxic effect of paints and dyes, not elsewhere classified, intentional self-harm, sequelaCMS: Toxic effect of paints and dyes, NEC, self-harm, sequela | Can lead a claim | A | None |
| T65.6X3 Toxic effect of paints and dyes, not elsewhere classified, assault | ||||
| T65.6X3A | Toxic effect of paints and dyes, not elsewhere classified, assault, initial encounterCMS: Toxic effect of paints and dyes, NEC, assault, init | Can lead a claim | A | None |
| T65.6X3D | Toxic effect of paints and dyes, not elsewhere classified, assault, subsequent encounterCMS: Toxic effect of paints and dyes, NEC, assault, subs | Can lead a claim | A | None |
| T65.6X3S | Toxic effect of paints and dyes, not elsewhere classified, assault, sequelaCMS: Toxic effect of paints and dyes, NEC, assault, sequela | Can lead a claim | A | None |
| T65.6X4 Toxic effect of paints and dyes, not elsewhere classified, undetermined | ||||
| T65.6X4A | Toxic effect of paints and dyes, not elsewhere classified, undetermined, initial encounterCMS: Toxic effect of paints and dyes, NEC, undetermined, init | Can lead a claim | A | None |
| T65.6X4D | Toxic effect of paints and dyes, not elsewhere classified, undetermined, subsequent encounterCMS: Toxic effect of paints and dyes, NEC, undetermined, subs | Can lead a claim | A | None |
| T65.6X4S | Toxic effect of paints and dyes, not elsewhere classified, undetermined, sequelaCMS: Toxic effect of paints and dyes, NEC, undetermined, sequela | Can lead a claim | A | None |
| T65.8 Toxic effect of other specified substances | ||||
| T65.81 Toxic effect of latex | ||||
| T65.811 Toxic effect of latex, accidental (unintentional) | ||||
| T65.811A | Toxic effect of latex, accidental (unintentional), initial encounterCMS: Toxic effect of latex, accidental (unintentional), init | Can lead a claim | A | None |
| T65.811D | Toxic effect of latex, accidental (unintentional), subsequent encounterCMS: Toxic effect of latex, accidental (unintentional), subs | Can lead a claim | A | None |
| T65.811S | Toxic effect of latex, accidental (unintentional), sequela | Can lead a claim | A | None |
| T65.812 Toxic effect of latex, intentional self-harm | ||||
| T65.812A | Toxic effect of latex, intentional self-harm, initial encounterCMS: Toxic effect of latex, intentional self-harm, init encntr | Can lead a claim | A | None |
| T65.812D | Toxic effect of latex, intentional self-harm, subsequent encounterCMS: Toxic effect of latex, intentional self-harm, subs encntr | Can lead a claim | A | None |
| T65.812S | Toxic effect of latex, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.813 Toxic effect of latex, assault | ||||
| T65.813A | Toxic effect of latex, assault, initial encounter | Can lead a claim | A | None |
| T65.813D | Toxic effect of latex, assault, subsequent encounter | Can lead a claim | A | None |
| T65.813S | Toxic effect of latex, assault, sequela | Can lead a claim | A | None |
| T65.814 Toxic effect of latex, undetermined | ||||
| T65.814A | Toxic effect of latex, undetermined, initial encounter | Can lead a claim | A | None |
| T65.814D | Toxic effect of latex, undetermined, subsequent encounter | Can lead a claim | A | None |
| T65.814S | Toxic effect of latex, undetermined, sequela | Can lead a claim | A | None |
| T65.82 Toxic effect of harmful algae and algae toxins | ||||
| T65.821 Toxic effect of harmful algae and algae toxins, accidental (unintentional) | ||||
| T65.821A | Toxic effect of harmful algae and algae toxins, accidental (unintentional), initial encounterCMS: Toxic effect of harmful algae and algae toxins, acc, init | Can lead a claim | A | None |
| T65.821D | Toxic effect of harmful algae and algae toxins, accidental (unintentional), subsequent encounterCMS: Toxic effect of harmful algae and algae toxins, acc, subs | Can lead a claim | A | None |
| T65.821S | Toxic effect of harmful algae and algae toxins, accidental (unintentional), sequelaCMS: Toxic effect of harmful algae and algae toxins, acc, sqla | Can lead a claim | A | None |
| T65.822 Toxic effect of harmful algae and algae toxins, intentional self-harm | ||||
| T65.822A | Toxic effect of harmful algae and algae toxins, intentional self-harm, initial encounterCMS: Toxic eff of harmful algae and algae toxins, slf-hrm, init | Can lead a claim | A | None |
| T65.822D | Toxic effect of harmful algae and algae toxins, intentional self-harm, subsequent encounterCMS: Toxic eff of harmful algae and algae toxins, slf-hrm, subs | Can lead a claim | A | None |
| T65.822S | Toxic effect of harmful algae and algae toxins, intentional self-harm, sequelaCMS: Toxic eff of harmful algae and algae toxins, slf-hrm, sqla | Can lead a claim | A | None |
| T65.823 Toxic effect of harmful algae and algae toxins, assault | ||||
| T65.823A | Toxic effect of harmful algae and algae toxins, assault, initial encounterCMS: Toxic effect of harmful algae and algae toxins, asslt, init | Can lead a claim | A | None |
| T65.823D | Toxic effect of harmful algae and algae toxins, assault, subsequent encounterCMS: Toxic effect of harmful algae and algae toxins, asslt, subs | Can lead a claim | A | None |
| T65.823S | Toxic effect of harmful algae and algae toxins, assault, sequelaCMS: Toxic effect of harmful algae and algae toxins, asslt, sqla | Can lead a claim | A | None |
| T65.824 Toxic effect of harmful algae and algae toxins, undetermined | ||||
| T65.824A | Toxic effect of harmful algae and algae toxins, undetermined, initial encounterCMS: Toxic effect of harmful algae and algae toxins, undet, init | Can lead a claim | A | None |
| T65.824D | Toxic effect of harmful algae and algae toxins, undetermined, subsequent encounterCMS: Toxic effect of harmful algae and algae toxins, undet, subs | Can lead a claim | A | None |
| T65.824S | Toxic effect of harmful algae and algae toxins, undetermined, sequelaCMS: Toxic effect of harmful algae and algae toxins, undet, sqla | Can lead a claim | A | None |
| T65.83 Toxic effect of fiberglass | ||||
| T65.831 Toxic effect of fiberglass, accidental (unintentional) | ||||
| T65.831A | Toxic effect of fiberglass, accidental (unintentional), initial encounterCMS: Toxic effect of fiberglass, accidental (unintentional), init | Can lead a claim | A | None |
| T65.831D | Toxic effect of fiberglass, accidental (unintentional), subsequent encounterCMS: Toxic effect of fiberglass, accidental (unintentional), subs | Can lead a claim | A | None |
| T65.831S | Toxic effect of fiberglass, accidental (unintentional), sequelaCMS: Toxic effect of fiberglass, accidental, sequela | Can lead a claim | A | None |
| T65.832 Toxic effect of fiberglass, intentional self-harm | ||||
| T65.832A | Toxic effect of fiberglass, intentional self-harm, initial encounterCMS: Toxic effect of fiberglass, intentional self-harm, init | Can lead a claim | A | None |
| T65.832D | Toxic effect of fiberglass, intentional self-harm, subsequent encounterCMS: Toxic effect of fiberglass, intentional self-harm, subs | Can lead a claim | A | None |
| T65.832S | Toxic effect of fiberglass, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.833 Toxic effect of fiberglass, assault | ||||
| T65.833A | Toxic effect of fiberglass, assault, initial encounter | Can lead a claim | A | None |
| T65.833D | Toxic effect of fiberglass, assault, subsequent encounter | Can lead a claim | A | None |
| T65.833S | Toxic effect of fiberglass, assault, sequela | Can lead a claim | A | None |
| T65.834 Toxic effect of fiberglass, undetermined | ||||
| T65.834A | Toxic effect of fiberglass, undetermined, initial encounter | Can lead a claim | A | None |
| T65.834D | Toxic effect of fiberglass, undetermined, subsequent encounterCMS: Toxic effect of fiberglass, undetermined, subs encntr | Can lead a claim | A | None |
| T65.834S | Toxic effect of fiberglass, undetermined, sequela | Can lead a claim | A | None |
| T65.84 Toxic effect of xylazine | ||||
| T65.841 Toxic effect of xylazine, accidental (unintentional) | ||||
| T65.841A | Toxic effect of xylazine, accidental (unintentional), initial encounterCMS: Toxic effect of xylazine, accidental (unintentional), init | Can lead a claim | A | None |
| T65.841D | Toxic effect of xylazine, accidental (unintentional), subsequent encounterCMS: Toxic effect of xylazine, accidental (unintentional), subs | Can lead a claim | A | None |
| T65.841S | Toxic effect of xylazine, accidental (unintentional), sequelaCMS: Toxic effect of xylazine, accidental, sequela | Can lead a claim | A | None |
| T65.842 Toxic effect of xylazine, intentional self-harm | ||||
| T65.842A | Toxic effect of xylazine, intentional self-harm, initial encounterCMS: Toxic effect of xylazine, self-harm, initial encounter | Can lead a claim | A | None |
| T65.842D | Toxic effect of xylazine, intentional self-harm, subsequent encounterCMS: Toxic effect of xylazine, self-harm, subsequent encounter | Can lead a claim | A | None |
| T65.842S | Toxic effect of xylazine, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.843 Toxic effect of xylazine, assault | ||||
| T65.843A | Toxic effect of xylazine, assault, initial encounter | Can lead a claim | A | None |
| T65.843D | Toxic effect of xylazine, assault, subsequent encounter | Can lead a claim | A | None |
| T65.843S | Toxic effect of xylazine, assault, sequela | Can lead a claim | A | None |
| T65.844 Toxic effect of xylazine, undetermined | ||||
| T65.844A | Toxic effect of xylazine, undetermined, initial encounter | Can lead a claim | A | None |
| T65.844D | Toxic effect of xylazine, undetermined, subsequent encounter | Can lead a claim | A | None |
| T65.844S | Toxic effect of xylazine, undetermined, sequela | Can lead a claim | A | None |
| T65.85 Toxic effect of medetomidine | ||||
| T65.851 Toxic effect of medetomidine, accidental (unintentional) | ||||
| T65.851A | Toxic effect of medetomidine, accidental (unintentional), initial encounterCMS: Toxic effect of medetomidine, accidental, init | Can lead a claim | A | None |
| T65.851D | Toxic effect of medetomidine, accidental (unintentional), subsequent encounterCMS: Toxic effect of medetomidine, accidental, subs | Can lead a claim | A | None |
| T65.851S | Toxic effect of medetomidine, accidental (unintentional), sequelaCMS: Toxic effect of medetomidine, accidental, sequela | Can lead a claim | A | None |
| T65.852 Toxic effect of medetomidine, intentional self-harm | ||||
| T65.852A | Toxic effect of medetomidine, intentional self-harm, initial encounterCMS: Toxic effect of medetomidine, self-harm, initial encounter | Can lead a claim | A | None |
| T65.852D | Toxic effect of medetomidine, intentional self-harm, subsequent encounterCMS: Toxic effect of medetomidine, self-harm, subs | Can lead a claim | A | None |
| T65.852S | Toxic effect of medetomidine, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.853 Toxic effect of medetomidine, assault | ||||
| T65.853A | Toxic effect of medetomidine, assault, initial encounter | Can lead a claim | A | None |
| T65.853D | Toxic effect of medetomidine, assault, subsequent encounter | Can lead a claim | A | None |
| T65.853S | Toxic effect of medetomidine, assault, sequela | Can lead a claim | A | None |
| T65.854 Toxic effect of medetomidine, undetermined | ||||
| T65.854A | Toxic effect of medetomidine, undetermined, initial encounterCMS: Toxic effect of medetomidine, undetermined, init | Can lead a claim | A | None |
| T65.854D | Toxic effect of medetomidine, undetermined, subsequent encounterCMS: Toxic effect of medetomidine, undetermined, subs | Can lead a claim | A | None |
| T65.854S | Toxic effect of medetomidine, undetermined, sequela | Can lead a claim | A | None |
| T65.89 Toxic effect of other specified substances | ||||
| T65.891 Toxic effect of other specified substances, accidental (unintentional) | ||||
| T65.891A | Toxic effect of other specified substances, accidental (unintentional), initial encounterCMS: Toxic effect of substances, accidental (unintentional), init | Can lead a claim | A | None |
| T65.891D | Toxic effect of other specified substances, accidental (unintentional), subsequent encounterCMS: Toxic effect of substances, accidental (unintentional), subs | Can lead a claim | A | None |
| T65.891S | Toxic effect of other specified substances, accidental (unintentional), sequelaCMS: Toxic effect of substances, accidental, sequela | Can lead a claim | A | None |
| T65.892 Toxic effect of other specified substances, intentional self-harm | ||||
| T65.892A | Toxic effect of other specified substances, intentional self-harm, initial encounterCMS: Toxic effect of oth substances, intentional self-harm, init | Can lead a claim | A | None |
| T65.892D | Toxic effect of other specified substances, intentional self-harm, subsequent encounterCMS: Toxic effect of oth substances, intentional self-harm, subs | Can lead a claim | A | None |
| T65.892S | Toxic effect of other specified substances, intentional self-harm, sequelaCMS: Toxic effect of substances, intentional self-harm, sequela | Can lead a claim | A | None |
| T65.893 Toxic effect of other specified substances, assault | ||||
| T65.893A | Toxic effect of other specified substances, assault, initial encounterCMS: Toxic effect of oth substances, assault, init encntr | Can lead a claim | A | None |
| T65.893D | Toxic effect of other specified substances, assault, subsequent encounterCMS: Toxic effect of oth substances, assault, subs encntr | Can lead a claim | A | None |
| T65.893S | Toxic effect of other specified substances, assault, sequela | Can lead a claim | A | None |
| T65.894 Toxic effect of other specified substances, undetermined | ||||
| T65.894A | Toxic effect of other specified substances, undetermined, initial encounterCMS: Toxic effect of oth substances, undetermined, init encntr | Can lead a claim | A | None |
| T65.894D | Toxic effect of other specified substances, undetermined, subsequent encounterCMS: Toxic effect of oth substances, undetermined, subs encntr | Can lead a claim | A | None |
| T65.894S | Toxic effect of other specified substances, undetermined, sequelaCMS: Toxic effect of oth substances, undetermined, sequela | Can lead a claim | A | None |
| T65.9 Toxic effect of unspecified substance | ||||
| T65.91 Toxic effect of unspecified substance, accidental (unintentional) | ||||
| T65.91XA | Toxic effect of unspecified substance, accidental (unintentional), initial encounterCMS: Toxic effect of unsp substance, accidental, init | Can lead a claim | A | None |
| T65.91XD | Toxic effect of unspecified substance, accidental (unintentional), subsequent encounterCMS: Toxic effect of unsp substance, accidental, subs | Can lead a claim | A | None |
| T65.91XS | Toxic effect of unspecified substance, accidental (unintentional), sequelaCMS: Toxic effect of unsp substance, accidental, sequela | Can lead a claim | A | None |
| T65.92 Toxic effect of unspecified substance, intentional self-harm | ||||
| T65.92XA | Toxic effect of unspecified substance, intentional self-harm, initial encounterCMS: Toxic effect of unsp substance, intentional self-harm, init | Can lead a claim | A | None |
| T65.92XD | Toxic effect of unspecified substance, intentional self-harm, subsequent encounterCMS: Toxic effect of unsp substance, intentional self-harm, subs | Can lead a claim | A | None |
| T65.92XS | Toxic effect of unspecified substance, intentional self-harm, sequelaCMS: Toxic effect of unsp substance, self-harm, sequela | Can lead a claim | A | None |
| T65.93 Toxic effect of unspecified substance, assault | ||||
| T65.93XA | Toxic effect of unspecified substance, assault, initial encounterCMS: Toxic effect of unspecified substance, assault, init encntr | Can lead a claim | A | None |
| T65.93XD | Toxic effect of unspecified substance, assault, subsequent encounterCMS: Toxic effect of unspecified substance, assault, subs encntr | Can lead a claim | A | None |
| T65.93XS | Toxic effect of unspecified substance, assault, sequela | Can lead a claim | A | None |
| T65.94 Toxic effect of unspecified substance, undetermined | ||||
| T65.94XA | Toxic effect of unspecified substance, undetermined, initial encounterCMS: Toxic effect of unsp substance, undetermined, init encntr | Can lead a claim | A | None |
| T65.94XD | Toxic effect of unspecified substance, undetermined, subsequent encounterCMS: Toxic effect of unsp substance, undetermined, subs encntr | Can lead a claim | A | None |
| T65.94XS | Toxic effect of unspecified substance, undetermined, sequela | Can lead a claim | A | 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.
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