Is O36.831 a billable code?
No. O36.831 is a header code that groups 7 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O36.831: Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O36.831 groups related diagnoses under maternal care for abnormalities of the fetal heart rate or rhythm, first trimester. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under O36.831
- O36.8310Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified
- O36.8311Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 1
- O36.8312Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2
- O36.8313Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 3
- O36.8314Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 4
- O36.8315Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 5
- O36.8319Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, other fetus
Other codes in O36.83 Maternal care for abnormalities of the fetal heart rate or rhythm
O36.831 questions
What does O36.831 mean?
O36.831 is the ICD-10-CM code for Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester. It is in chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.