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H18.40

Billable

Unspecified corneal degeneration

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

What This Code Means

Degeneration or deterioration of the cornea that cannot be classified into a more specific type.

Coding Tips

  • •Use this code only when the specific type of corneal degeneration is not documented
  • •Review documentation to see if a more specific degeneration code (H18.41-H18.49) applies

Code Hierarchy

└H18Other disorders of cornea└H18.4Corneal degeneration└H18.40Unspecified corneal degeneration
└H18.40Unspecified corneal degeneration

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