A18.52

A18.52: Tuberculous keratitis

Billable / specific codeICD-10-CM

A18.52 is a billable, specific ICD-10-CM code for tuberculous keratitis. It is valid for submission on a claim.

Check A18.52 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Tuberculous interstitial keratitis
Tuberculous keratoconjunctivitis (interstitial) (phlyctenular)

Excludes2 inherited from the categories above A18.52

Not part of this code, but both may be coded when both are present.

Written on A18.5: Tuberculosis of eye

lupus vulgaris of eyelid (A18.4)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A18.52 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed

Alphabetic index entries that lead here

Keratoscleritis, tuberculous
Keratitis›tuberculous
Keratoconjunctivitis›tuberculous(phlyctenular)
Phlyctenulosis›tuberculous
Sclerokeratitis›tuberculous
Tuberculosis, tubercular, tuberculous›cornea(ulcer)
Tuberculosis, tubercular, tuberculous›keratitis(interstitial)
Tuberculosis, tubercular, tuberculous›keratoconjunctivitis
Tuberculosis, tubercular, tuberculous›phlyctenulosis(keratoconjunctivitis)
Keratitis›in›tuberculosis
Keratitis›interstitial›tuberculous
Ulcer, ulcerated, ulcerating, ulceration, ulcerative›cornea›tuberculous(phlyctenular)

Code history

Unchanged in every release from FY2024 to FY2027.