ICD-10-CM Diagnosis Code H40.1191
Diagnosis Code: H40.1191 (Raw: H401191)
Description: Primary open-angle glaucoma, unspecified eye, mild stage
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 H40.1191 is designated for Primary open-angle glaucoma, unspecified eye, mild stage. 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.