P29.12 Neonatal bradycardia

Billable ICD-10-CM code, FY2026.

Applies from P29 Cardiovascular disorders originating in the perinatal period

Excludes2 (not included here)

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

MS-DRG index

Defines the logic of DRG(s) 794 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 779.81 Neonatal bradycardia

Code annotations containing back-references to P29.12

Back-references to P29.12

• Type 1 Excludes: R00.1 Bradycardia, unspecified ("neonatal bradycardia (P29.12)")
• Type 1 Excludes: Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out ("neonatal bradycardia (P29.12)")
• Type 1 Excludes: Z05.81 Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out ("neonatal bradycardia (P29.12)")

Back-references to P29.1

• Type 2 Excludes: I49 Other cardiac arrhythmias ("neonatal dysrhythmia (P29.1-)")
• Type 1 Excludes: P03.81 Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm ("neonatal cardiac dysrhythmia (P29.1-)")
• Type 1 Excludes: R00 Abnormalities of heart beat ("abnormalities originating in the perinatal period (P29.1-)")

Diagnosis Index entries for P29.12

• Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) › newborn › bradycardia
• Bradycardia (sinoatrial) (sinus) (vagal) › neonatal
• Dysrhythmia › cardiac › newborn › bradycardia
• Neonatal › bradycardia
• Newborn (infant) (liveborn) (singleton) › affected by › heart rate abnormalities › bradycardia

Nearby codes

• P29 Cardiovascular disorders originating in the perinatal period
• P29.0 Neonatal cardiac failure
• P29.1 Neonatal cardiac dysrhythmia
• P29.11 Neonatal tachycardia
• P29.12 Neonatal bradycardia (this code)
• P29.2 Neonatal hypertension
• P29.3 Persistent fetal circulation
• P29.30 Pulmonary hypertension of newborn
• P29.38 Other persistent fetal circulation
• P29.4 Transient myocardial ischemia in newborn