H21.262
Billable codeIris atrophy (essential) (progressive), left eye
The ICD-10 code for iris atrophy (essential) (progressive), left eye is H21.262.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H21.261Iris atrophy (essential) (progressive), right eye
- H21.263Iris atrophy (essential) (progressive), bilateral
- H21.269Iris atrophy (essential) (progressive), unspecified eye
- H21.262Iris atrophy (essential) (progressive), left eye
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 36451Approximate match
Associated MS-DRGs
H21.262 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.