P29.81 Cardiac arrest of newborn

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from P29 Cardiovascular disorders originating in the perinatal period

Excludes2 (not included here)

• congenital malformations of the circulatory system (Q20-Q28)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 213 — Cardio-Respiratory Failure and Shock

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 779.85 Cardiac arrest of newborn

Code annotations containing back-references to P29.81

Back-references to P29.8

• Type 1 Excludes: R01 Cardiac murmurs and other cardiac sounds ("cardiac murmurs and sounds originating in the perinatal period (P29.8)")

Diagnosis Index entries for P29.81

• Arrest, arrested › cardiac › newborn
• Newborn (infant) (liveborn) (singleton) › affected by › cardiac arrest

Nearby codes

• P29.3 Persistent fetal circulation
• P29.30 Pulmonary hypertension of newborn
• P29.38 Other persistent fetal circulation
• P29.4 Transient myocardial ischemia in newborn
• P29.8 Other cardiovascular disorders originating in the perinatal period
• P29.81 Cardiac arrest of newborn (this code)
• P29.89 Other cardiovascular disorders originating in the perinatal period
• P29.9 Cardiovascular disorder originating in the perinatal period, unspecified