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H21.261

Billable

Iris atrophy (essential) (progressive), right eye

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Progressive thinning and wasting of the iris tissue in the right eye, occurring without an identifiable underlying cause.

Coding Tips

  • •Verify laterality is documented as right eye to ensure accurate code selection
  • •Distinguish from secondary iris atrophy caused by other conditions like glaucoma or inflammation

Code Hierarchy

└H21Other disorders of iris and ciliary body└H21.2Degeneration of iris and ciliary body└H21.26Iris atrophy (essential) (progressive)└H21.261Iris atrophy (essential) (progressive), right eye
└H21.261Iris atrophy (essential) (progressive), right eye

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