ICD-10 Code O99.612 - Diseases of the digestive system complicating pregnancy, second trimester

ICD-10-CM Diagnosis Code O99.612

Diagnosis Code: O99.612 (Raw: O99612)

Description: Diseases of the digestive system complicating pregnancy, second 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 O99.612 is designated for Diseases of the digestive system complicating pregnancy, second 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.