ICD-10 · PDGM grouping
K11 Diseases of salivary glands
All 13 codes in the K11 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
13
Can lead a claim
12
Cannot lead a claim
1
What CMS assigns to K11
12 of the 13 codes group to MMTA - Gastrointestinal tract and Genitourinary system (9) and MMTA - Other (3); 1 is assigned no clinical group. None of the 13 is assigned a comorbidity subgroup. 12 of the 13 can lead a claim.
Every code in K11
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 |
|---|---|---|---|---|
| K11.0 | Atrophy of salivary gland | Can lead a claim | A | None |
| K11.1 | Hypertrophy of salivary gland | Can lead a claim | J | None |
| K11.2 Sialoadenitis | ||||
| K11.20 | Sialoadenitis, unspecified | Can lead a claim | J | None |
| K11.21 | Acute sialoadenitis | Can lead a claim | J | None |
| K11.22 | Acute recurrent sialoadenitis | Can lead a claim | J | None |
| K11.23 | Chronic sialoadenitis | Can lead a claim | J | None |
| K11.3 | Abscess of salivary gland | Can lead a claim | J | None |
| K11.4 | Fistula of salivary gland | Can lead a claim | A | None |
| K11.5 | Sialolithiasis | Can lead a claim | J | None |
| K11.6 | Mucocele of salivary gland | Can lead a claim | A | None |
| K11.7 | Disturbances of salivary secretion | Can lead a claim | J | None |
| K11.8 | Other diseases of salivary glands | Can lead a claim | J | None |
| K11.9 | Disease of salivary gland, 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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