ICD-10 H40.22
Non-Billable HeaderChronic angle-closure glaucoma
About ICD-10-CM H40.22
ICD-10-CM code H40.22 represents Chronic angle-closure glaucoma. This is a non-billable header code in the Eye and Adnexa chapter (block H40). The 2026 edition of ICD-10-CM H40.22 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under H40.22. Per CMS ICD-10-CM Tabular 2026.
- Chronic primary angle closure glaucoma
Coding Notes
Seven Chr Note
- One of the following 7th characters is to be assigned to each code in subcategory H40.22 to designate the stage of glaucoma
Medicare LCD Coverage for H40.22
Local Coverage Determinations (LCDs) from CMS MACs that list H40.22 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H40.22.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but H40.22 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with H40.22
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To H40.22
Other codes in section H40-H42 (Glaucoma).
ICD-10 H40.22, Billing FAQ
Is ICD-10 code H40.22 billable? +
No, H40.22 is a non-billable header code. Use a more specific child code from block H40 when submitting claims.
What other names or terms map to H40.22? +
ICD-10 H40.22 includes: Chronic primary angle closure glaucoma.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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