ICD-10 CM Code H40.20
H40.20
Unspecified primary angle-closure glaucoma
Excludes Type 1
- aqueous misdirection (H40.83-)
- malignant glaucoma (H40.83-)
- absolute glaucoma (H44.51-)
- congenital glaucoma (Q15.0)
- traumatic glaucoma due to birth injury (P15.3)
7th Character
- One of the following 7th characters is to be assigned to code H40.20 to designate the stage of glaucoma
- 0 - stage unspecified
- 1 - mild stage
- 2 - moderate stage
- 3 - severe stage
- 4 - indeterminate stage
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