H21.211
✓ BillableDegeneration of chamber angle, right eye
Diseases of the eye and adnexa (H00-H59)
Clinical Description
ICD-10-CM code H21.211 represents degeneration of chamber angle, right eye. This code falls under the Diseases of the eye and adnexa (H00-H59) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code H21.211?
ICD-10-CM code H21.211 is "Degeneration of chamber angle, right eye". It belongs to the category: Diseases of the eye and adnexa (H00-H59).
Is H21.211 a billable ICD-10 code?
Yes, H21.211 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can H21.211 be coded with other codes?
H21.211 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in H21.21
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)