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O76

O76: Abnormality in fetal heart rate and rhythm complicating labor and delivery

Billable / specific codeICD-10-CM

O76 is a billable, specific ICD-10-CM code for abnormality in fetal heart rate and rhythm complicating labor and delivery. It is valid for submission on a claim.

Check O76 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • fetal stress NOS (O77.9)
  • labor and delivery complicated by electrocardiographic evidence of fetal stress (O77.8)
  • labor and delivery complicated by ultrasonic evidence of fetal stress (O77.8)

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Depressed fetal heart rate tones complicating labor and delivery
  • Fetal bradycardia complicating labor and delivery
  • Fetal heart rate decelerations complicating labor and delivery
  • Fetal heart rate irregularity complicating labor and delivery
  • Fetal heart rate abnormal variability complicating labor and delivery
  • Fetal tachycardia complicating labor and delivery
  • Non-reassuring fetal heart rate or rhythm complicating labor and delivery

Other codes that can never be billed with O76

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

  • O77.8Labor and delivery complicated by other evidence of fetal stress
  • O77.9Labor and delivery complicated by fetal stress, unspecified

Risk adjustment

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

Alphabetic index entries that lead here

  • Delivery›complicated›by›depressed fetal heart tones
  • Delivery›complicated›by›fetal›heart rate or rhythm(abnormal) (non-reassuring)

Code history

Unchanged in every release from FY2024 to FY2027.

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.