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Z98.42

Z98.42Cataract extraction status, left eye

Billable / specific codeICD-10-CMPOA exemptleft

Z98.42 is a billable, specific ICD-10-CM code for cataract extraction status, left eye. It is valid for submission on a claim.

Risk adjustment

Z98.42 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z98.42 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56548Billing and Coding: Corneal Pachymetry
  • A56816Billing and Coding: Computerized Corneal Topography

Related codes at this level

Codes that share Z98.4. If Z98.42 is not quite right, the correct code is usually one of these.

Questions about Z98.42

Is Z98.42 a billable ICD-10-CM code?
Yes. Z98.42 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z98.42 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
ICD-10-CMFY2026-Apr· effective April 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.