H40.2 Primary angle-closure glaucoma

Non-billable header with 5 child codes.

Excludes1 (never code together)

• aqueous misdirection (H40.83-)
• malignant glaucoma (H40.83-)

Applies from H40 Glaucoma

Excludes1 (never code together)

• absolute glaucoma (H44.51-)
• congenital glaucoma (Q15.0)
• traumatic glaucoma due to birth injury (P15.3)

Codes under H40.2

• H40.20 Unspecified primary angle-closure glaucoma
• H40.21 Acute angle-closure glaucoma
• H40.22 Chronic angle-closure glaucoma
• H40.23 Intermittent angle-closure glaucoma
• H40.24 Residual stage of angle-closure glaucoma

Code annotations containing back-references to H40.2

Back-references to H40

• Use Additional: E08.39 Diabetes mellitus due to underlying condition with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E09.39 Drug or chemical induced diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E10.39 Type 1 diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E11.39 Type 2 diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Use Additional: E13.39 Other specified diabetes mellitus with other diabetic ophthalmic complication ("diabetic glaucoma (H40-H42)")
• Code First: H26.23 Glaucomatous flecks (subcapsular) ("underlying glaucoma (H40-H42)")

Nearby codes

• H40.15 Residual stage of open-angle glaucoma
• H40.151 Residual stage of open-angle glaucoma, right eye
• H40.152 Residual stage of open-angle glaucoma, left eye
• H40.153 Residual stage of open-angle glaucoma, bilateral
• H40.159 Residual stage of open-angle glaucoma, unspecified eye
• H40.2 Primary angle-closure glaucoma (this code)
• H40.20 Unspecified primary angle-closure glaucoma
• H40.20X0 Unspecified primary angle-closure glaucoma, stage unspecified
• H40.20X1 Unspecified primary angle-closure glaucoma, mild stage
• H40.20X2 Unspecified primary angle-closure glaucoma, moderate stage
• H40.20X3 Unspecified primary angle-closure glaucoma, severe stage