MCMedicalCodingSoftware
Free trial
H18.542

H18.542: Lattice corneal dystrophy, left eye

Billable / specific codeICD-10-CMleft

H18.542 is a billable, specific ICD-10-CM code for lattice corneal dystrophy, left eye. It is valid for submission on a claim.

Check H18.542 with the rest of the claim: free scrubber

Risk adjustment

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

Medicare coverage

H18.542 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56548Billing and Coding: Corneal Pachymetry
  • A56611Billing and Coding: Corneal Pachymetry
  • A57068Billing and Coding: Ocular Photography - External

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H18.54

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.