H40.233 Intermittent angle-closure glaucoma, bilateral

Billable ICD-10-CM code, FY2026.

Applies from H40 Glaucoma

Excludes1 (never code together)

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

Applies from H40.2 Primary angle-closure glaucoma

Excludes1 (never code together)

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

Risk adjustment (HCC)

• RxHCC V08: HCC 244 — Other Non-Acute Glaucoma

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 365.21 Intermittent angle-closure glaucoma (approximate)

Code annotations containing back-references to H40.233

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

• H40.2293 Chronic angle-closure glaucoma, unspecified eye, severe stage
• H40.2294 Chronic angle-closure glaucoma, unspecified eye, indeterminate stage
• H40.23 Intermittent angle-closure glaucoma
• H40.231 Intermittent angle-closure glaucoma, right eye
• H40.232 Intermittent angle-closure glaucoma, left eye
• H40.233 Intermittent angle-closure glaucoma, bilateral (this code)
• H40.239 Intermittent angle-closure glaucoma, unspecified eye
• H40.24 Residual stage of angle-closure glaucoma
• H40.241 Residual stage of angle-closure glaucoma, right eye
• H40.242 Residual stage of angle-closure glaucoma, left eye
• H40.243 Residual stage of angle-closure glaucoma, bilateral