2026 ICD-10-CM Diagnosis Code Z01.021Encounter for examination of eyes and vision following failed vision screening with abnormal findings

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z01

ICD-10-CM Z01.021
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z01.021 is a billable ICD-10-CM diagnosis code for encounter for examination of eyes and vision following failed vision screening with abnormal findings. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Medical examination/evaluation.

Code Identity

ICD-10-CM Code
Z01.021
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for examination of eyes and vision following failed vision screening with abnormal findings
Short Description
Enctr for exam of eyes and vis fol fail vis scrn wbn find
Parent Code
Z01.02
Encounter for examination of eyes and vision following failed vision screening

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ00-Z13Persons encountering health services for examinations
CategoryZ01Encounter for other special examination without complaint, suspected or reported diagnosis
This CodeZ01.021Encounter for examination of eyes and vision following failed vision screening with abnormal findings

Present on Admission (POA)Billing

Z01.021 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Use Additional Code

  • code to identify abnormal findings

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Admission(for)
      • examination at health care facility (adult)
        • eye
          • following failed vision screening
            • with abnormal findings
    • Admission(for)
      • examination at health care facility (adult)
        • vision
          • following failed vision screening
            • with abnormal findings
    • Admission(for)
      • vision examination
        • following failed vision screening
          • with abnormal findings
    • Examination(for) (following) (general) (of) (routine)
      • eye
        • following failed vision screening
          • with abnormal findings
    • Examination(for) (following) (general) (of) (routine)
      • vision
        • following failed vision screening
          • with abnormal findings
    • Test, tests, testing(for)
      • vision
        • following failed vision screening
          • with abnormal findings
    • Vision, visual
      • examination
        • following failed vision screening
          • with abnormal findings

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC014
Medical examination/evaluation
Default principal diagnosis: inpatient Yes · outpatient Yes

Code History & ChangesHistory

Replacement Z01.021 replaces the following previously assigned code(s):

  • Z01.01 - Encounter for exam of eyes and vision w abnormal findings
FY 2020AddedAdded to the ICD-10-CM code setEffective October 1, 2019.
FY 2021–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z01.021Overview

Is Z01.021 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for examination of eyes and vision following failed vision screening with abnormal findings on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is Z01.021 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for encounter for examination of eyes and vision following failed vision screening with abnormal findings on inpatient claims.