ICD-10 Code O36.8312 - Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2

ICD-10-CM Diagnosis Code O36.8312

Diagnosis Code: O36.8312 (Raw: O368312)

Description: Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code O36.8312 is designated for Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.