MCMedicalCodingSoftware
P03.811

P03.811: Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor

Billable / specific codeICD-10-CM

P03.811 is a billable, specific ICD-10-CM code for newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor. It is valid for submission on a claim.

Check P03.811 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above P03.811

A category’s note binds every code beneath it.

Written on P03.81: Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm

  • neonatal cardiac dysrhythmia (P29.1-)

Excludes2 inherited from the categories above P03.811

Not part of this code, but both may be coded when both are present.

Written on P03: Newborn affected by other complications of labor and delivery

  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)

Other codes that can never be billed with P03.811

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • P00.7Newborn affected by other medical procedures on mother, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

P03.811 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57189Billing and Coding: Serum Magnesium
  • A59186Billing and Coding: Magnesium

Alphabetic index entries that lead here

  • Arrhythmia›newborn›occurring before birth›during labor
  • Dysrhythmia›cardiac›newborn›occurring before birth›during labor
  • Newborn›affected by›heart rate abnormalities›intrauterine›during labor

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under P03.81

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.