| Z01 | Encounter for other special examination without complaint, suspected or reported diagnosis | NON-BILLABLE CODE |
| Z01.0 | Encounter for examination of eyes and vision | NON-BILLABLE CODE |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings | BILLABLE CODE |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings | BILLABLE CODE |
| Z01.02 | Encounter for examination of eyes and vision following failed vision screening | NON-BILLABLE CODE |
| Z01.020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings | BILLABLE CODE |
| Z01.021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings | BILLABLE CODE |
| Z01.1 | Encounter for examination of ears and hearing | NON-BILLABLE CODE |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings | BILLABLE CODE |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings | NON-BILLABLE CODE |
| Z01.110 | Encounter for hearing examination following failed hearing screening | BILLABLE CODE |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings | BILLABLE CODE |
| Z01.12 | Encounter for hearing conservation and treatment | BILLABLE CODE |
| Z01.2 | Encounter for dental examination and cleaning | NON-BILLABLE CODE |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings | BILLABLE CODE |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings | BILLABLE CODE |
| Z01.3 | Encounter for examination of blood pressure | NON-BILLABLE CODE |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings | BILLABLE CODE |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings | BILLABLE CODE |
| Z01.4 | Encounter for gynecological examination | NON-BILLABLE CODE |
| Z01.41 | Encounter for routine gynecological examination | NON-BILLABLE CODE |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings | BILLABLE CODE |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear | BILLABLE CODE |
| Z01.8 | Encounter for other specified special examinations | NON-BILLABLE CODE |
| Z01.81 | Encounter for preprocedural examinations | NON-BILLABLE CODE |
| Z01.810 | Encounter for preprocedural cardiovascular examination | BILLABLE CODE |
| Z01.811 | Encounter for preprocedural respiratory examination | BILLABLE CODE |
| Z01.812 | Encounter for preprocedural laboratory examination | BILLABLE CODE |
| Z01.818 | Encounter for other preprocedural examination | BILLABLE CODE |
| Z01.82 | Encounter for allergy testing | BILLABLE CODE |
| Z01.83 | Encounter for blood typing | BILLABLE CODE |
| Z01.84 | Encounter for antibody response examination | BILLABLE CODE |
| Z01.89 | Encounter for other specified special examinations | BILLABLE CODE |
