ICD-10 · PDGM grouping
Q25 Congenital malformations of great arteries
All 22 codes in the Q25 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
22
Can lead a claim
20
Cannot lead a claim
2
What CMS assigns to Q25
20 of the 22 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 22 is assigned a comorbidity subgroup. 20 of the 22 can lead a claim.
Every code in Q25
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 |
|---|---|---|---|---|
| Q25.0 | Patent ductus arteriosus | Can lead a claim | A | None |
| Q25.1 | Coarctation of aorta | Can lead a claim | A | None |
| Q25.2 Atresia of aorta | ||||
| Q25.21 | Interruption of aortic arch | Can lead a claim | A | None |
| Q25.29 | Other atresia of aorta | Can lead a claim | A | None |
| Q25.3 | Supravalvular aortic stenosis | Can lead a claim | A | None |
| Q25.4 Other congenital malformations of aorta | ||||
| Q25.40 | Congenital malformation of aorta unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q25.41 | Absence and aplasia of aorta | Can lead a claim | A | None |
| Q25.42 | Hypoplasia of aorta | Can lead a claim | A | None |
| Q25.43 | Congenital aneurysm of aorta | Can lead a claim | A | None |
| Q25.44 | Congenital dilation of aorta | Can lead a claim | A | None |
| Q25.45 | Double aortic arch | Can lead a claim | A | None |
| Q25.46 | Tortuous aortic arch | Can lead a claim | A | None |
| Q25.47 | Right aortic arch | Can lead a claim | A | None |
| Q25.48 | Anomalous origin of subclavian artery | Can lead a claim | A | None |
| Q25.49 | Other congenital malformations of aorta | Can lead a claim | A | None |
| Q25.5 | Atresia of pulmonary artery | Can lead a claim | A | None |
| Q25.6 | Stenosis of pulmonary artery | Can lead a claim | A | None |
| Q25.7 Other congenital malformations of pulmonary artery | ||||
| Q25.71 | Coarctation of pulmonary artery | Can lead a claim | A | None |
| Q25.72 | Congenital pulmonary arteriovenous malformation | Can lead a claim | A | None |
| Q25.79 | Other congenital malformations of pulmonary artery | Can lead a claim | A | None |
| Q25.8 | Other congenital malformations of other great arteries | Can lead a claim | A | None |
| Q25.9 | Congenital malformation of great arteries, 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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