P03.81 — Newborn affected by abnlt in fetal heart rate or rhythm

P03.81 is the ICD-10-CM 2025 code for Newborn affected by abnlt in fetal heart rate or rhythm. Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

P03.81 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under P03.81. Browse the sub-codes listed on this page.

P03.81 belongs to the chapter "Certain conditions originating in the perinatal period" (codes P00-P96). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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