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H16.023

Billable

Ring corneal ulcer, bilateral

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

What This Code Means

A ring-shaped ulcer (open sore) that affects both eyes on the cornea, which is the clear front part of the eye. This condition causes pain, redness, and vision problems in both eyes.

Coding Tips

  • •Verify documentation confirms the ulcer is ring-shaped and affects both eyes before assigning the bilateral code; unilateral cases require different codes (H16.021 or H16.022)
  • •Investigate the underlying cause (infection, trauma, autoimmune disease) as this may require additional diagnosis codes and can affect treatment decisions

Code Hierarchy

└H16Keratitis└H16.0Corneal ulcer└H16.02Ring corneal ulcer└H16.023Ring corneal ulcer, bilateral
└H16.023Ring corneal ulcer, bilateral

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