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H21.242

Billable

Degeneration of pupillary margin, left eye

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

What This Code Means

Deterioration of the pupillary margin (the edge of the pupil opening) in the left eye, which may affect pupil function and appearance.

Coding Tips

  • •This code is specific to the left eye; use H21.241 for right eye or H21.243 for bilateral involvement
  • •Ensure documentation clearly indicates left eye involvement to avoid coding errors

Code Hierarchy

└H21Other disorders of iris and ciliary body└H21.2Degeneration of iris and ciliary body└H21.24Degeneration of pupillary margin└H21.242Degeneration of pupillary margin, left eye
└H21.242Degeneration of pupillary margin, left eye

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