ICD-10-CM category
Z01: Encounter for other special examination without complaint, suspected or reported diagnosis
Codes under Z01 (Encounter for other special examination without complaint, suspected or reported diagnosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z01.0 | Encounter for examination of eyes and vision | — |
| Z01.0 | Encounter for examination of eyes and vision | — |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings | ✓ |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings | ✓ |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings | ✓ |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings | ✓ |
| Z01.1 | Encounter for examination of ears and hearing | — |
| Z01.1 | Encounter for examination of ears and hearing | — |
| Z01.02 | Encounter for examination of eyes and vision following failed vision screening | — |
| Z01.02 | Encounter for examination of eyes and vision following failed vision screening | — |
| Z01.2 | Encounter for dental examination and cleaning | — |
| Z01.2 | Encounter for dental examination and cleaning | — |
| Z01.3 | Encounter for examination of blood pressure | — |
| Z01.3 | Encounter for examination of blood pressure | — |
| Z01.4 | Encounter for gynecological examination | — |
| Z01.4 | Encounter for gynecological examination | — |
| Z01.8 | Encounter for other specified special examinations | — |
| Z01.8 | Encounter for other specified special examinations | — |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings | ✓ |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings | ✓ |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings | — |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings | — |
| Z01.12 | Encounter for hearing conservation and treatment | ✓ |
| Z01.12 | Encounter for hearing conservation and treatment | ✓ |
| Z01.020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings | ✓ |
| Z01.020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings | ✓ |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings | ✓ |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings | ✓ |
| Z01.021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings | ✓ |
| Z01.021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings | ✓ |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings | ✓ |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings | ✓ |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings | ✓ |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings | ✓ |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings | ✓ |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings | ✓ |
| Z01.41 | Encounter for routine gynecological examination | — |
| Z01.41 | Encounter for routine gynecological examination | — |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear | ✓ |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear | ✓ |
| Z01.81 | Encounter for preprocedural examinations | — |
| Z01.81 | Encounter for preprocedural examinations | — |
| Z01.82 | Encounter for allergy testing | ✓ |
| Z01.82 | Encounter for allergy testing | ✓ |
| Z01.83 | Encounter for blood typing | ✓ |
| Z01.83 | Encounter for blood typing | ✓ |
| Z01.84 | Encounter for antibody response examination | ✓ |
| Z01.84 | Encounter for antibody response examination | ✓ |
| Z01.89 | Encounter for other specified special examinations | ✓ |
| Z01.89 | Encounter for other specified special examinations | ✓ |
| Z01.110 | Encounter for hearing examination following failed hearing screening | ✓ |
| Z01.110 | Encounter for hearing examination following failed hearing screening | ✓ |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings | ✓ |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings | ✓ |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings | ✓ |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings | ✓ |
| Z01.419 | Encounter for gynecological examination (general) (routine) without abnormal findings | ✓ |
| Z01.419 | Encounter for gynecological examination (general) (routine) without abnormal findings | ✓ |
| Z01.810 | Encounter for preprocedural cardiovascular examination | ✓ |
| Z01.810 | Encounter for preprocedural cardiovascular examination | ✓ |
| Z01.811 | Encounter for preprocedural respiratory examination | ✓ |
| Z01.811 | Encounter for preprocedural respiratory examination | ✓ |
| Z01.812 | Encounter for preprocedural laboratory examination | ✓ |
| Z01.812 | Encounter for preprocedural laboratory examination | ✓ |
| Z01.818 | Encounter for other preprocedural examination | ✓ |
| Z01.818 | Encounter for other preprocedural examination | ✓ |
Frequently asked questions
What is ICD-10-CM code Z01?
Z01 is an ICD-10-CM category covering Encounter for other special examination without complaint, suspected or reported diagnosis. It contains 66 more specific diagnosis codes, 46 of which are billable.
Is Z01 a billable code?
No — Z01 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z01.0 — Encounter for examination of eyes and vision). 46 of the 66 codes under Z01 are billable.
What codes fall under Z01?
Z01 includes Z01.0, Z01.0, Z01.00, Z01.00, Z01.01, plus 61 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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