| Z00 | Encounter for general examination without complaint, suspected or reported diagnosis |
| Z00.0 | Encounter for general adult medical examination |
| Z00.00 | Encounter for general adult medical examination without abnormal findings |
| Z00.01 | Encounter for general adult medical examination with abnormal findings |
| Z00.1 | Encounter for newborn, infant and child health examinations |
| Z00.11 | Newborn health examination |
| Z00.110 | Health examination for newborn under 8 days old |
| Z00.111 | Health examination for newborn 8 to 28 days old |
| Z00.12 | Encounter for routine child health examination |
| Z00.121 | Encounter for routine child health examination with abnormal findings |
| Z00.129 | Encounter for routine child health examination without abnormal findings |
| Z00.2 | Encounter for examination for period of rapid growth in childhood |
| Z00.3 | Encounter for examination for adolescent development state |
| Z00.5 | Encounter for examination of potential donor of organ and tissue |
| Z00.6 | Encounter for examination for normal comparison and control in clinical research program |
| Z00.7 | Encounter for examination for period of delayed growth in childhood |
| Z00.70 | Encounter for examination for period of delayed growth in childhood without abnormal findings |
| Z00.71 | Encounter for examination for period of delayed growth in childhood with abnormal findings |
| Z00.8 | Encounter for other general examination |
| Z01 | Encounter for other special examination without complaint, suspected or reported diagnosis |
| Z01.0 | Encounter for examination of eyes and vision |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings |
| Z01.02 | Encounter for examination of eyes and vision following failed vision screening |
| Z01.020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings |
| Z01.021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings |
| Z01.1 | Encounter for examination of ears and hearing |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings |
| Z01.110 | Encounter for hearing examination following failed hearing screening |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings |
| Z01.12 | Encounter for hearing conservation and treatment |
| Z01.2 | Encounter for dental examination and cleaning |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings |
| Z01.3 | Encounter for examination of blood pressure |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings |
| Z01.4 | Encounter for gynecological examination |
| Z01.41 | Encounter for routine gynecological examination |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings |
| Z01.419 | Encounter for gynecological examination (general) (routine) without abnormal findings |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear |
| Z01.8 | Encounter for other specified special examinations |
| Z01.81 | Encounter for preprocedural examinations |
| Z01.810 | Encounter for preprocedural cardiovascular examination |
| Z01.811 | Encounter for preprocedural respiratory examination |
| Z01.812 | Encounter for preprocedural laboratory examination |
| Z01.818 | Encounter for other preprocedural examination |
| Z01.82 | Encounter for allergy testing |
| Z01.83 | Encounter for blood typing |
| Z01.84 | Encounter for antibody response examination |
| Z01.89 | Encounter for other specified special examinations |
| Z02 | Encounter for administrative examination |
| Z02.0 | Encounter for examination for admission to educational institution |
| Z02.1 | Encounter for pre-employment examination |
| Z02.2 | Encounter for examination for admission to residential institution |
| Z02.3 | Encounter for examination for recruitment to armed forces |
| Z02.4 | Encounter for examination for driving license |
| Z02.5 | Encounter for examination for participation in sport |
| Z02.6 | Encounter for examination for insurance purposes |
| Z02.7 | Encounter for issue of medical certificate |
| Z02.71 | Encounter for disability determination |
| Z02.79 | Encounter for issue of other medical certificate |
| Z02.8 | Encounter for other administrative examinations |
| Z02.81 | Encounter for paternity testing |
| Z02.82 | Encounter for adoption services |
| Z02.83 | Encounter for blood-alcohol and blood-drug test |
| Z02.89 | Encounter for other administrative examinations |
| Z02.9 | Encounter for administrative examinations, unspecified |
| Z03 | Encounter for medical observation for suspected diseases and conditions ruled out |
| Z03.6 | Encounter for observation for suspected toxic effect from ingested substance ruled out |
| Z03.7 | Encounter for suspected maternal and fetal conditions ruled out |
| Z03.71 | Encounter for suspected problem with amniotic cavity and membrane ruled out |
| Z03.72 | Encounter for suspected placental problem ruled out |
| Z03.73 | Encounter for suspected fetal anomaly ruled out |
| Z03.74 | Encounter for suspected problem with fetal growth ruled out |
| Z03.75 | Encounter for suspected cervical shortening ruled out |
| Z03.79 | Encounter for other suspected maternal and fetal conditions ruled out |
| Z03.8 | Encounter for observation for other suspected diseases and conditions ruled out |
| Z03.81 | Encounter for observation for suspected exposure to biological agents ruled out |
| Z03.810 | Encounter for observation for suspected exposure to anthrax ruled out |
| Z03.818 | Encounter for observation for suspected exposure to other biological agents ruled out |
| Z03.82 | Encounter for observation for suspected foreign body ruled out |
| Z03.821 | Encounter for observation for suspected ingested foreign body ruled out |
| Z03.822 | Encounter for observation for suspected aspirated (inhaled) foreign body ruled out |
| Z03.823 | Encounter for observation for suspected inserted (injected) foreign body ruled out |
| Z03.83 | Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out |
| Z03.89 | Encounter for observation for other suspected diseases and conditions ruled out |
| Z04 | Encounter for examination and observation for other reasons |
| Z04.1 | Encounter for examination and observation following transport accident |
| Z04.2 | Encounter for examination and observation following work accident |
| Z04.3 | Encounter for examination and observation following other accident |
| Z04.4 | Encounter for examination and observation following alleged rape |
| Z04.41 | Encounter for examination and observation following alleged adult rape |
| Z04.42 | Encounter for examination and observation following alleged child rape |
| Z04.6 | Encounter for general psychiatric examination, requested by authority |
| Z04.7 | Encounter for examination and observation following alleged physical abuse |
| Z04.71 | Encounter for examination and observation following alleged adult physical abuse |
| Z04.72 | Encounter for examination and observation following alleged child physical abuse |
| Z04.8 | Encounter for examination and observation for other specified reasons |
| Z04.81 | Encounter for examination and observation of victim following forced sexual exploitation |
| Z04.82 | Encounter for examination and observation of victim following forced labor exploitation |
| Z04.89 | Encounter for examination and observation for other specified reasons |
| Z04.9 | Encounter for examination and observation for unspecified reason |
| Z05 | Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out |
| Z05.0 | Observation and evaluation of newborn for suspected cardiac condition ruled out |
| Z05.1 | Observation and evaluation of newborn for suspected infectious condition ruled out |
| Z05.2 | Observation and evaluation of newborn for suspected neurological condition ruled out |
| Z05.3 | Observation and evaluation of newborn for suspected respiratory condition ruled out |
| Z05.4 | Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out |
| Z05.41 | Observation and evaluation of newborn for suspected genetic condition ruled out |
| Z05.42 | Observation and evaluation of newborn for suspected metabolic condition ruled out |
| Z05.43 | Observation and evaluation of newborn for suspected immunologic condition ruled out |
| Z05.5 | Observation and evaluation of newborn for suspected gastrointestinal condition ruled out |
| Z05.6 | Observation and evaluation of newborn for suspected genitourinary condition ruled out |
| Z05.7 | Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out |
| Z05.71 | Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out |
| Z05.72 | Observation and evaluation of newborn for suspected musculoskeletal condition ruled out |
| Z05.73 | Observation and evaluation of newborn for suspected connective tissue condition ruled out |
| Z05.8 | Observation and evaluation of newborn for other specified suspected condition ruled out |
| Z05.9 | Observation and evaluation of newborn for unspecified suspected condition ruled out |
| Z08 | Encounter for follow-up examination after completed treatment for malignant neoplasm |
| Z09 | Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm |