ICD-10-CM · Chapter 15 · O00-O9A
O76 Abnormality in fetal heart rate and rhythm complicating labor and delivery
Includes
- 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
Excludes 1 (cannot be coded together)
- 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)
Excludes 2 (not included here)
- fetal metabolic acidemia (O68)
- other fetal stress (O77.0-O77.1)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit O76 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026