ICD-9-CM diagnosis code (retired)
365.20 — Primary angle-closure glaucoma, unspecified
About ICD-9-CM 365.20
365.20 is an ICD-9-CM diagnosis code for primary angle-closure glaucoma, unspecified. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to 5 ICD-10-CM codes, such as H40.20X0 (Unspecified primary angle-closure glaucoma, stage unspecified), H40.20X1 (Unspecified primary angle-closure glaucoma, mild stage) and H40.20X2 (Unspecified primary angle-closure glaucoma, moderate stage). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- H40.20X0Unspecified primary angle-closure glaucoma, stage unspecifiedapproximate
- H40.20X1Unspecified primary angle-closure glaucoma, mild stageapproximate
- H40.20X2Unspecified primary angle-closure glaucoma, moderate stageapproximate
- H40.20X3Unspecified primary angle-closure glaucoma, severe stageapproximate
- H40.20X4Unspecified primary angle-closure glaucoma, indeterminate stageapproximate
Common questions about 365.20
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.