ICD-10-CM Diagnosis Code O09.521
Diagnosis Code: O09.521 (Raw: O09521)
Description: Supervision of elderly multigravida, first trimester
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 O09.521 is designated for Supervision of elderly multigravida, first trimester. 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.