MCMCB Pro
Z01.021

Z01.021Encounter for examination of eyes and vision following failed vision screening with abnormal findings

Billable / specific codeICD-10-CMPOA exempt

Z01.021 is a billable, specific ICD-10-CM code for encounter for examination of eyes and vision following failed vision screening with abnormal findings. It is valid for submission on a claim.

Use additional code

Add a secondary code to capture the detail described below.

  • code to identify abnormal findings

Risk adjustment

Z01.021 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.

How Z01.021 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z01.021.

  • Admissionvision examinationfollowing failed vision screeningwith abnormal findings
  • Examinationeyefollowing failed vision screeningwith abnormal findings
  • Examinationvisionfollowing failed vision screeningwith abnormal findings
  • Test, tests, testingvisionfollowing failed vision screeningwith abnormal findings
  • Vision, visualexaminationfollowing failed vision screeningwith abnormal findings
  • Admissionexamination at health care facilityeyefollowing failed vision screeningwith abnormal findings
  • Admissionexamination at health care facilityvisionfollowing failed vision screeningwith abnormal findings

Related codes at this level

Codes that share Z01.02. If Z01.021 is not quite right, the correct code is usually one of these.

Questions about Z01.021

Is Z01.021 a billable ICD-10-CM code?
Yes. Z01.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z01.021 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services for examinations (Z00-Z13).
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.