ICD-10 · PDGM grouping
Q22 Congenital malformations of pulmonary and tricuspid valves
All 9 codes in the Q22 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 Q22
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 Q22
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 |
|---|---|---|---|---|
| Q22.0 | Pulmonary valve atresia | Can lead a claim | A | None |
| Q22.1 | Congenital pulmonary valve stenosis | Can lead a claim | A | None |
| Q22.2 | Congenital pulmonary valve insufficiency | Can lead a claim | A | None |
| Q22.3 | Other congenital malformations of pulmonary valve | Can lead a claim | A | None |
| Q22.4 | Congenital tricuspid stenosis | Can lead a claim | A | None |
| Q22.5 | Ebstein's anomaly | Can lead a claim | A | None |
| Q22.6 | Hypoplastic right heart syndrome | Can lead a claim | A | None |
| Q22.8 | Other congenital malformations of tricuspid valve | Can lead a claim | A | None |
| Q22.9 | Congenital malformation of tricuspid valve, unspecified | 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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