ICD-10 · PDGM grouping
K22 Other diseases of esophagus
All 16 codes in the K22 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
16
Can lead a claim
15
Cannot lead a claim
1
What CMS assigns to K22
15 of the 16 codes group to MMTA - Gastrointestinal tract and Genitourinary system; 1 is assigned no clinical group. None of the 16 is assigned a comorbidity subgroup. 15 of the 16 can lead a claim. CMS attaches a code-first note to 2 of the 16.
Code first
CMS grouper convention 13, on K22.10, K22.11. Code first:
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Every code in K22
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 |
|---|---|---|---|---|
| K22.0 | Achalasia of cardia | Can lead a claim | J | None |
| K22.1 Ulcer of esophagus | ||||
| K22.10 | Ulcer of esophagus without bleeding | Can lead a claim, code first applies | J | None |
| K22.11 | Ulcer of esophagus with bleeding | Can lead a claim, code first applies | J | None |
| K22.2 | Esophageal obstruction | Can lead a claim | J | None |
| K22.3 | Perforation of esophagus | Can lead a claim | J | None |
| K22.4 | Dyskinesia of esophagus | Can lead a claim | J | None |
| K22.5 | Diverticulum of esophagus, acquired | Can lead a claim | J | None |
| K22.6 | Gastro-esophageal laceration-hemorrhage syndrome | Can lead a claim | J | None |
| K22.7 Barrett's esophagus | ||||
| K22.70 | Barrett's esophagus without dysplasia | Can lead a claim | J | None |
| K22.71 Barrett's esophagus with dysplasia | ||||
| K22.710 | Barrett's esophagus with low grade dysplasia | Can lead a claim | J | None |
| K22.711 | Barrett's esophagus with high grade dysplasia | Can lead a claim | J | None |
| K22.719 | Barrett's esophagus with dysplasia, unspecified | Can lead a claim | J | None |
| K22.8 Other specified diseases of esophagus | ||||
| K22.81 | Esophageal polyp | Can lead a claim | J | None |
| K22.82 | Esophagogastric junction polyp | Can lead a claim | J | None |
| K22.89 | Other specified disease of esophagus | Can lead a claim | J | None |
| K22.9 | Disease of esophagus, unspecified | 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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