ICD-10-CM Diagnosis Code O40.2XX9
Diagnosis Code: O40.2XX9 (Raw: O402XX9)
Description: Polyhydramnios, second trimester, other fetus
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 O40.2XX9 is designated for Polyhydramnios, second trimester, other fetus. 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.