ICD-10 · PDGM grouping
Q38 Other congenital malformations of tongue, mouth and pharynx
All 9 codes in the Q38 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
9
Can lead a claim
9
Cannot lead a claim
0
What CMS assigns to Q38
All 9 codes group to MMTA - Other. None of the 9 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in Q38
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 |
|---|---|---|---|---|
| Q38.0 | Congenital malformations of lips, not elsewhere classified | Can lead a claim | A | None |
| Q38.1 | Ankyloglossia | Can lead a claim | A | None |
| Q38.2 | Macroglossia | Can lead a claim | A | None |
| Q38.3 | Other congenital malformations of tongue | Can lead a claim | A | None |
| Q38.4 | Congenital malformations of salivary glands and ducts | Can lead a claim | A | None |
| Q38.5 | Congenital malformations of palate, not elsewhere classified | Can lead a claim | A | None |
| Q38.6 | Other congenital malformations of mouth | Can lead a claim | A | None |
| Q38.7 | Congenital pharyngeal pouch | Can lead a claim | A | None |
| Q38.8 | Other congenital malformations of pharynx | 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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