ICD-10-CM · Chapter 21 · Z00-Z99
Z01 Encounter for other special examination without complaint, suspected or reported diagnosis
Includes
- routine examination of specific system
Excludes 1 (cannot be coded together)
- 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)
Excludes 2 (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
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z01..0 | Encounter for examination of eyes and vision | No |
| Z01..00 | Encounter for examination of eyes and vision without abnormal findings | Yes |
| Z01..01 | Encounter for examination of eyes and vision with abnormal findings | Yes |
| Z01..02 | Encounter for examination of eyes and vision following failed vision screening | No |
| Z01..020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings | Yes |
| Z01..021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings | Yes |
| Z01..1 | Encounter for examination of ears and hearing | No |
| Z01..10 | Encounter for examination of ears and hearing without abnormal findings | Yes |
| Z01..11 | Encounter for examination of ears and hearing with abnormal findings | No |
| Z01..110 | Encounter for hearing examination following failed hearing screening | Yes |
| Z01..118 | Encounter for examination of ears and hearing with other abnormal findings | Yes |
| Z01..12 | Encounter for hearing conservation and treatment | Yes |
| Z01..2 | Encounter for dental examination and cleaning | No |
| Z01..20 | Encounter for dental examination and cleaning without abnormal findings | Yes |
| Z01..21 | Encounter for dental examination and cleaning with abnormal findings | Yes |
| Z01..3 | Encounter for examination of blood pressure | No |
| Z01..30 | Encounter for examination of blood pressure without abnormal findings | Yes |
| Z01..31 | Encounter for examination of blood pressure with abnormal findings | Yes |
| Z01..4 | Encounter for gynecological examination | No |
| Z01..41 | Encounter for routine gynecological examination | No |
| Z01..411 | Encounter for gynecological examination (general) (routine) with abnormal findings | Yes |
| Z01..419 | Encounter for gynecological examination (general) (routine) without abnormal findings | Yes |
| Z01..42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear | Yes |
| Z01..8 | Encounter for other specified special examinations | No |
| Z01..81 | Encounter for preprocedural examinations | No |
| Z01..810 | Encounter for preprocedural cardiovascular examination | Yes |
| Z01..811 | Encounter for preprocedural respiratory examination | Yes |
| Z01..812 | Encounter for preprocedural laboratory examination | Yes |
| Z01..818 | Encounter for other preprocedural examination | Yes |
| Z01..82 | Encounter for allergy testing | Yes |
| Z01..83 | Encounter for blood typing | Yes |
| Z01..84 | Encounter for antibody response examination | Yes |
| Z01..89 | Encounter for other specified special examinations | Yes |
Last reviewed: September 2026