O36.83 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Maternal care for abnormalities of the fetal heart rate or rhythm.
Inclusion term
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
Codes
O36.831
Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
O36.832
Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester
O36.833
Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester
O36.839
Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
Code changed
Inclusion term
- 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
2019
No changes
2018
New code