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2. ICD-10 Codes
3. Chapter - H00-H59
4. Section - H40-H42
5. Category - H40
6. H40.20

H40.20 - Unspecified primary angle-closure glaucoma

• Applicable to Unspecified primary angle-closure glaucoma
• The 2025 edition of ICD10-CM H40.20 became effective on October 1, 2024.
• This is the American ICD10-CM version of H40.20 - other international versions of ICD10 H40.20 may differ.
• H40.20 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

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• One of the following 7th characters is to be assigned to code H40.20 to designate the stage of glaucoma

The following codes above H40.20 contain annotation back-references that may be applicable to H40.20:

• Chapter: H00-H59 - Diseases of the eye and adnexa
• Section: H40-H42 - Glaucoma
• Category: H40 - Glaucoma

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.