O76

ICD-10Billable

Abnlt in fetal heart rate and rhythm comp labor and delivery

Official ICD-10-CM descriptor (FY2026)

Abnormality in fetal heart rate and rhythm complicating labor and delivery

O76 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

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

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

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. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

fetal metabolic acidemia (O68)
other fetal stress (O77.0-O77.1)

Where this code sits

Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: Complications of labor and delivery (O60-O77)

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.