ICD-10-CM Diagnosis Code O35.12X4
Diagnosis Code: O35.12X4 (Raw: O3512X4)
Description: Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18, fetus 4
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).
Overview & Clinical Details
ICD-10-CM code O35.12X4 is designated for Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18, fetus 4. 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.
