H40.1 Open-angle glaucoma

Non-billable header with 6 child codes.

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 H40.1

• H40.10 Unspecified open-angle glaucoma
• H40.11 Primary open-angle glaucoma
• H40.12 Low-tension glaucoma
• H40.13 Pigmentary glaucoma
• H40.14 Capsular glaucoma with pseudoexfoliation of lens
• H40.15 Residual stage of open-angle glaucoma

Code annotations containing back-references to H40.1

Back-references to H40.1

• Type 2 Excludes: H25 Age-related cataract ("capsular glaucoma with pseudoexfoliation of lens (H40.1-)")

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

• H40.06 Primary angle closure without glaucoma damage
• H40.061 Primary angle closure without glaucoma damage, right eye
• H40.062 Primary angle closure without glaucoma damage, left eye
• H40.063 Primary angle closure without glaucoma damage, bilateral
• H40.069 Primary angle closure without glaucoma damage, unspecified eye
• H40.1 Open-angle glaucoma (this code)
• H40.10 Unspecified open-angle glaucoma
• H40.10X0 Unspecified open-angle glaucoma, stage unspecified
• H40.10X1 Unspecified open-angle glaucoma, mild stage
• H40.10X2 Unspecified open-angle glaucoma, moderate stage
• H40.10X3 Unspecified open-angle glaucoma, severe stage