ICD-10 · PDGM grouping
T18 Foreign body in alimentary tract
All 45 codes in the T18 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
45
Can lead a claim
45
Cannot lead a claim
0
What CMS assigns to T18
All 45 codes group to MMTA - Other. None of the 45 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in T18
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 |
|---|---|---|---|---|
| T18.0 Foreign body in mouth | ||||
| T18.0XXA | Foreign body in mouth, initial encounter | Can lead a claim | A | None |
| T18.0XXD | Foreign body in mouth, subsequent encounter | Can lead a claim | A | None |
| T18.0XXS | Foreign body in mouth, sequela | Can lead a claim | A | None |
| T18.1 Foreign body in esophagus | ||||
| T18.10 Unspecified foreign body in esophagus | ||||
| T18.100 Unspecified foreign body in esophagus causing compression of trachea | ||||
| T18.100A | Unspecified foreign body in esophagus causing compression of trachea, initial encounterCMS: Unsp fb in esophagus causing compression of trachea, init | Can lead a claim | A | None |
| T18.100D | Unspecified foreign body in esophagus causing compression of trachea, subsequent encounterCMS: Unsp fb in esophagus causing compression of trachea, subs | Can lead a claim | A | None |
| T18.100S | Unspecified foreign body in esophagus causing compression of trachea, sequelaCMS: Unsp fb in esophagus causing compression of trachea, sequela | Can lead a claim | A | None |
| T18.108 Unspecified foreign body in esophagus causing other injury | ||||
| T18.108A | Unspecified foreign body in esophagus causing other injury, initial encounterCMS: Unsp foreign body in esophagus causing oth injury, init | Can lead a claim | A | None |
| T18.108D | Unspecified foreign body in esophagus causing other injury, subsequent encounterCMS: Unsp foreign body in esophagus causing oth injury, subs | Can lead a claim | A | None |
| T18.108S | Unspecified foreign body in esophagus causing other injury, sequelaCMS: Unsp foreign body in esophagus causing other injury, sequela | Can lead a claim | A | None |
| T18.11 Gastric contents in esophagus | ||||
| T18.110 Gastric contents in esophagus causing compression of trachea | ||||
| T18.110A | Gastric contents in esophagus causing compression of trachea, initial encounterCMS: Gastric contents in esoph causing comprsn of trachea, init | Can lead a claim | A | None |
| T18.110D | Gastric contents in esophagus causing compression of trachea, subsequent encounterCMS: Gastric contents in esoph causing comprsn of trachea, subs | Can lead a claim | A | None |
| T18.110S | Gastric contents in esophagus causing compression of trachea, sequelaCMS: Gastric contents in esoph cause comprsn of trachea, sequela | Can lead a claim | A | None |
| T18.118 Gastric contents in esophagus causing other injury | ||||
| T18.118A | Gastric contents in esophagus causing other injury, initial encounterCMS: Gastric contents in esophagus causing oth injury, init | Can lead a claim | A | None |
| T18.118D | Gastric contents in esophagus causing other injury, subsequent encounterCMS: Gastric contents in esophagus causing oth injury, subs | Can lead a claim | A | None |
| T18.118S | Gastric contents in esophagus causing other injury, sequela | Can lead a claim | A | None |
| T18.12 Food in esophagus | ||||
| T18.120 Food in esophagus causing compression of trachea | ||||
| T18.120A | Food in esophagus causing compression of trachea, initial encounterCMS: Food in esophagus causing compression of trachea, init | Can lead a claim | A | None |
| T18.120D | Food in esophagus causing compression of trachea, subsequent encounterCMS: Food in esophagus causing compression of trachea, subs | Can lead a claim | A | None |
| T18.120S | Food in esophagus causing compression of trachea, sequela | Can lead a claim | A | None |
| T18.128 Food in esophagus causing other injury | ||||
| T18.128A | Food in esophagus causing other injury, initial encounter | Can lead a claim | A | None |
| T18.128D | Food in esophagus causing other injury, subsequent encounter | Can lead a claim | A | None |
| T18.128S | Food in esophagus causing other injury, sequela | Can lead a claim | A | None |
| T18.19 Other foreign object in esophagus | ||||
| T18.190 Other foreign object in esophagus causing compression of trachea | ||||
| T18.190A | Other foreign object in esophagus causing compression of trachea, initial encounterCMS: Oth foreign object in esoph causing comprsn of trachea, init | Can lead a claim | A | None |
| T18.190D | Other foreign object in esophagus causing compression of trachea, subsequent encounterCMS: Oth foreign object in esoph causing comprsn of trachea, subs | Can lead a claim | A | None |
| T18.190S | Other foreign object in esophagus causing compression of trachea, sequelaCMS: Oth forn object in esoph cause comprsn of trachea, sequela | Can lead a claim | A | None |
| T18.198 Other foreign object in esophagus causing other injury | ||||
| T18.198A | Other foreign object in esophagus causing other injury, initial encounterCMS: Oth foreign object in esophagus causing oth injury, init | Can lead a claim | A | None |
| T18.198D | Other foreign object in esophagus causing other injury, subsequent encounterCMS: Oth foreign object in esophagus causing oth injury, subs | Can lead a claim | A | None |
| T18.198S | Other foreign object in esophagus causing other injury, sequelaCMS: Oth foreign object in esophagus causing oth injury, sequela | Can lead a claim | A | None |
| T18.2 Foreign body in stomach | ||||
| T18.2XXA | Foreign body in stomach, initial encounter | Can lead a claim | A | None |
| T18.2XXD | Foreign body in stomach, subsequent encounter | Can lead a claim | A | None |
| T18.2XXS | Foreign body in stomach, sequela | Can lead a claim | A | None |
| T18.3 Foreign body in small intestine | ||||
| T18.3XXA | Foreign body in small intestine, initial encounter | Can lead a claim | A | None |
| T18.3XXD | Foreign body in small intestine, subsequent encounter | Can lead a claim | A | None |
| T18.3XXS | Foreign body in small intestine, sequela | Can lead a claim | A | None |
| T18.4 Foreign body in colon | ||||
| T18.4XXA | Foreign body in colon, initial encounter | Can lead a claim | A | None |
| T18.4XXD | Foreign body in colon, subsequent encounter | Can lead a claim | A | None |
| T18.4XXS | Foreign body in colon, sequela | Can lead a claim | A | None |
| T18.5 Foreign body in anus and rectum | ||||
| T18.5XXA | Foreign body in anus and rectum, initial encounter | Can lead a claim | A | None |
| T18.5XXD | Foreign body in anus and rectum, subsequent encounter | Can lead a claim | A | None |
| T18.5XXS | Foreign body in anus and rectum, sequela | Can lead a claim | A | None |
| T18.8 Foreign body in other parts of alimentary tract | ||||
| T18.8XXA | Foreign body in other parts of alimentary tract, initial encounterCMS: Foreign body in other parts of alimentary tract, init encntr | Can lead a claim | A | None |
| T18.8XXD | Foreign body in other parts of alimentary tract, subsequent encounterCMS: Foreign body in other parts of alimentary tract, subs encntr | Can lead a claim | A | None |
| T18.8XXS | Foreign body in other parts of alimentary tract, sequela | Can lead a claim | A | None |
| T18.9 Foreign body of alimentary tract, part unspecified | ||||
| T18.9XXA | Foreign body of alimentary tract, part unspecified, initial encounterCMS: Foreign body of alimentary tract, part unsp, init encntr | Can lead a claim | A | None |
| T18.9XXD | Foreign body of alimentary tract, part unspecified, subsequent encounterCMS: Foreign body of alimentary tract, part unsp, subs encntr | Can lead a claim | A | None |
| T18.9XXS | Foreign body of alimentary tract, part unspecified, 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.
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