ICD10BillableValid for clinical use

ICD-10 Code O76: Abnormality in fetal heart rate and rhythm complicating labor and delivery

O76 is a billable ICD-10 diagnosis code used to classify Abnormality in fetal heart rate and rhythm complicating labor and delivery in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

When is it used?

  • May be used when a clinician documents abnormality in fetal heart rate and rhythm complicating labor and delivery in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
15Pregnancy, childbirth and the puerperium (O00-O9A)
block
O60-O77Complications of labor and delivery
currentO60-O77

Official coding notes

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 (do not code 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)
Excludes2 (may code together if documented)
  • fetal metabolic acidemia (O68)
  • other fetal stress (O77.0-O77.1)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

ObstetricianGynecologistENT SpecialistCardiologistGastroenterologist

Sibling codes

Coding guidelines

Common synonyms

Abnormality in fetal heart rate and rhythm complicating labor and delivery

Frequently asked questions

Code details

CodeO76
SystemICD10
Display nameAbnormality in fetal heart rate and rhythm complicating labor and delivery
ChapterPregnancy, childbirth and the puerperium (O00-O9A)
BlockComplications of labor and delivery

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Delivery(childbirth) (labor)Delivery(childbirth) (labor)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code O76 for Abnormality in fetal heart rate and rhythm complicating labor and delivery | HealthAssure