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O36.83

Non-billable

Maternal care for abnormalities of the fetal heart rate or rhythm

O36.83 is the ICD-10-CM code for Maternal care for abnormalities of the fetal heart rate or rhythm. It is a non-billable category code — use a more specific child code such as O36.831 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O36.8
Subcodes
4
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

  • •Maternal care for depressed fetal heart rate tones
  • •Maternal care for fetal bradycardia
  • •Maternal care for fetal heart rate abnormal variability
  • •Maternal care for fetal heart rate decelerations
  • •Maternal care for fetal heart rate irregularity
  • •Maternal care for fetal tachycardia
  • •Maternal care for non-reassuring fetal heart rate or rhythm

Frequently asked questions

What is ICD-10 code O36.83?
O36.83 is the ICD-10-CM code for "Maternal care for abnormalities of the fetal heart rate or rhythm". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O36.83 a billable code?
No — O36.83 is a non-billable header code. Use a more specific child code (such as O36.831) for billing.
What are the subcodes of O36.83?
O36.83 has 4 more specific child codes, including O36.831, O36.832, O36.833.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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