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A18.52

Billable

Tuberculous keratitis

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

What This Code Means

This is an infection of the cornea (the clear front part of the eye) caused by tuberculosis bacteria. It can cause eye inflammation, pain, and vision problems if left untreated.

Coding Tips

  • •This code requires confirmation that tuberculosis has been diagnosed and is affecting the eye's cornea; do not code based on general eye inflammation alone
  • •Verify documentation specifies tuberculous keratitis rather than other forms of keratitis, and ensure the tuberculosis diagnosis is also coded separately (typically A15-A19 range)

Code Hierarchy

└A18Tuberculosis of other organs└A18.5Tuberculosis of eye└A18.52Tuberculous keratitis
└A18.52Tuberculous keratitis

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