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H18.042

Billable

Kayser-Fleischer ring, left eye

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

What This Code Means

A greenish-brown ring that appears on the cornea of the left eye, typically caused by copper or Wilson's disease accumulation in the eye tissue.

Coding Tips

  • •Kayser-Fleischer rings are pathognomonic for Wilson's disease; verify the underlying condition is documented
  • •Ensure laterality is correctly specified - this code is specifically for the left eye only

Code Hierarchy

└H18Other disorders of cornea└H18.0Corneal pigmentations and deposits└H18.04Kayser-Fleischer ring└H18.042Kayser-Fleischer ring, left eye
└H18.042Kayser-Fleischer ring, left eye

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