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H18.222

Billable

Idiopathic corneal edema, left eye

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

What This Code Means

Swelling of the cornea in the left eye that occurs without a known underlying cause.

Coding Tips

  • •Confirm idiopathic nature in documentation and exclude secondary etiologies
  • •This code is specific to left eye only; do not use for bilateral or unspecified cases

Code Hierarchy

└H18Other disorders of cornea└H18.2Other and unspecified corneal edema└H18.22Idiopathic corneal edema└H18.222Idiopathic corneal edema, left eye
└H18.222Idiopathic corneal edema, left eye

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