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Compare/P29 vs Q20

P29 vs Q20

P29 (Cardiovascular disorders originating in the perinatal period) compared with Q20 (Congenital malformations of cardiac chambers and connections), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. P29 carries an Excludes2 note covering Q20: “congenital malformations of the circulatory system (Q20-Q28)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

P29Cardiovascular disorders originating in the perinatal periodQ20Congenital malformations of cardiac chambers and connections
Billing statusNon-billable header

Report instead: P29.0, P29.11, P29.12, P29.2, P29.30

Non-billable header

Report instead: Q20.0, Q20.1, Q20.2, Q20.3, Q20.4

ClassificationP00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96)Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)
DefinitionCardiovascular disorders originating in the perinatal period is a non-billable ICD-10-CM category code (P29).Congenital malformations of cardiac chambers and connections is a non-billable ICD-10-CM category code (Q20).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources