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

ICD-10-CM 2027 diagnosis code · Persons encountering health services for examinations

Billable code

ICD-10-CM code Z01.021

Code: Z01.021 (claims format: Z01021)
Description: 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
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z00-Z13 Persons encountering health services for examinations
Parent codes: Z01 › Z01.0 › Z01.02

Notes for Z01.021

Use additional code:

code to identify abnormal findings

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z01 – Encounter for other special examination without complaint, suspected or reported diagnosis

Includes:

routine examination of specific system

Excludes1 (not coded here):

encounter for examination for administrative purposes (Z02.-)
encounter for examination for suspected conditions, proven not to exist (Z03.-)
encounter for laboratory, radiologic and imaging examinations for sign(s) and symptom(s) - code to the sign(s) or symptom(s)

Excludes2 (not included here):

encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-)
screening examinations (Z11-Z13)

Notes:

Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed

Z01.0 – Encounter for examination of eyes and vision

Excludes1 (not coded here):

examination for driving license (Z02.4)

Z01.02 – Encounter for examination of eyes and vision following failed vision screening

Excludes1 (not coded here):

encounter for examination of eyes and vision with abnormal findings (Z01.01)
encounter for examination of eyes and vision without abnormal findings (Z01.00)

Block Z00-Z13

Excludes2 (not included here):

examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

Notes:

Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.

Index terms for Z01.021

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z01.02

Z01.020 – Encounter for examination of eyes and vision following failed vision screening without abnormal findingsBillable

Frequently asked questions

What is ICD-10 code Z01.021?

Z01.021 is the ICD-10-CM code for encounter for examination of eyes and vision following failed vision screening with abnormal findings, in the block Z00-Z13 (Persons encountering health services for examinations).

Is Z01.021 a billable code?

Yes. Z01.021 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z01.021 belong to?

It belongs to category Z01 – Encounter for other special examination without complaint, suspected or reported diagnosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.