All ICD10 Codes

O36.83

Non-Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Maternal care for abnormalities of the fetal heart rate or rhythm

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

Instructional Notes

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
General instructions are available for the parent sections:
View CH15 NotesView O36 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
O36Maternal care for other fetal problems
O36.8Maternal care for other specified fetal problems
O36.83Maternal care for abnormalities of the fetal heart rate or rhythm
O36.831Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
O36.832Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester
O36.833Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester
O36.839Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O36.83:

categoryO36
Maternal care for other fetal problems
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O36.83. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths
Pregnancy (single) (uterine)5 unique routes
complicated by (care of) (management affected by)(5 variants)
abnormal, abnormality
fetal heart rate or rhythm→O36.83
fetal (maternal care for)(4 variants)
bradycardia→O36.83
depressed heart rate tones→O36.83
heart rate irregularity (abnormal variability) (bradycardia) (decelerations) (tachycardia)→O36.83
non-reassuring heart rate or rhythm→O36.83

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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