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H18.623

Billable

Keratoconus, unstable, bilateral

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

What This Code Means

A progressive eye condition where the cornea thins and gradually changes shape into a cone-like form, affecting both eyes and becoming increasingly unstable.

Coding Tips

  • •Verify documentation specifies 'unstable' and 'bilateral' before assigning this code; unstable keratoconus indicates active progression
  • •This code is more specific than H18.60x codes; ensure laterality is clearly documented as bilateral

Code Hierarchy

└H18Other disorders of cornea└H18.6Keratoconus└H18.62Keratoconus, unstable└H18.623Keratoconus, unstable, bilateral
└H18.623Keratoconus, unstable, bilateral

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