ICD-10-CM Section · Z00-Z13
Persons encountering health services for examinations
206 codes in this section
206
Total Codes
156
Billable
50
Header (Non-Billable)
11
Top-Level Codes
About Section Z00-Z13
Section Z00-Z13 (Z00-Z13) covers persons encountering health services for examinations. It sits within the Factors influencing health status and contact with health services chapter (Z00-Z99). This section contains 206 ICD-10-CM codes, 156 billable diagnoses you can submit on a claim, and 50 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in Z00-Z13
Grouped by 3-character root code. Click any code for full detail.
Z00
Encounter for general examination without complaint, suspected or reported diagnosis
18 subcodes
| Z00.0 | Encounter for general adult medical examination | Header |
| Z00.00 | Encounter for general adult medical examination without abnormal findings | Billable |
| Z00.01 | Encounter for general adult medical examination with abnormal findings | Billable |
| Z00.1 | Encounter for newborn, infant and child health examinations | Header |
| Z00.11 | Newborn health examination | Header |
| Z00.110 | Health examination for newborn under 8 days old | Billable |
| Z00.111 | Health examination for newborn 8 to 28 days old | Billable |
| Z00.12 | Encounter for routine child health examination | Header |
| Z00.121 | Encounter for routine child health examination with abnormal findings | Billable |
| Z00.129 | Encounter for routine child health examination without abnormal findings | Billable |
| Z00.2 | Encounter for examination for period of rapid growth in childhood | Billable |
| Z00.3 | Encounter for examination for adolescent development state | Billable |
| Z00.5 | Encounter for examination of potential donor of organ and tissue | Billable |
| Z00.6 | Encounter for examination for normal comparison and control in clinical research program | Billable |
| Z00.7 | Encounter for examination for period of delayed growth in childhood | Header |
| Z00.70 | Encounter for examination for period of delayed growth in childhood without abnormal findings | Billable |
| Z00.71 | Encounter for examination for period of delayed growth in childhood with abnormal findings | Billable |
| Z00.8 | Encounter for other general examination | Billable |
Z01
Encounter for other special examination without complaint, suspected or reported diagnosis
33 subcodes
| Z01.0 | Encounter for examination of eyes and vision | Header |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings | Billable |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings | Billable |
| Z01.02 | Encounter for examination of eyes and vision following failed vision screening | Header |
| Z01.020 | Encounter for examination of eyes and vision following failed vision screening without abnormal findings | Billable |
| Z01.021 | Encounter for examination of eyes and vision following failed vision screening with abnormal findings | Billable |
| Z01.1 | Encounter for examination of ears and hearing | Header |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings | Billable |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings | Header |
| Z01.110 | Encounter for hearing examination following failed hearing screening | Billable |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings | Billable |
| Z01.12 | Encounter for hearing conservation and treatment | Billable |
| Z01.2 | Encounter for dental examination and cleaning | Header |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings | Billable |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings | Billable |
| Z01.3 | Encounter for examination of blood pressure | Header |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings | Billable |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings | Billable |
| Z01.4 | Encounter for gynecological examination | Header |
| Z01.41 | Encounter for routine gynecological examination | Header |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings | Billable |
| Z01.419 | Encounter for gynecological examination (general) (routine) without abnormal findings | Billable |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear | Billable |
| Z01.8 | Encounter for other specified special examinations | Header |
| Z01.81 | Encounter for preprocedural examinations | Header |
| Z01.810 | Encounter for preprocedural cardiovascular examination | Billable |
| Z01.811 | Encounter for preprocedural respiratory examination | Billable |
| Z01.812 | Encounter for preprocedural laboratory examination | Billable |
| Z01.818 | Encounter for other preprocedural examination | Billable |
| Z01.82 | Encounter for allergy testing | Billable |
| Z01.83 | Encounter for blood typing | Billable |
| Z01.84 | Encounter for antibody response examination | Billable |
| Z01.89 | Encounter for other specified special examinations | Billable |
Z02
Encounter for administrative examination
17 subcodes
| Z02.0 | Encounter for examination for admission to educational institution | Billable |
| Z02.1 | Encounter for pre-employment examination | Billable |
| Z02.2 | Encounter for examination for admission to residential institution | Billable |
| Z02.3 | Encounter for examination for recruitment to armed forces | Billable |
| Z02.4 | Encounter for examination for driving license | Billable |
| Z02.5 | Encounter for examination for participation in sport | Billable |
| Z02.6 | Encounter for examination for insurance purposes | Billable |
| Z02.7 | Encounter for issue of medical certificate | Header |
| Z02.71 | Encounter for disability determination | Billable |
| Z02.79 | Encounter for issue of other medical certificate | Billable |
| Z02.8 | Encounter for other administrative examinations | Header |
| Z02.81 | Encounter for paternity testing | Billable |
| Z02.82 | Encounter for adoption services | Billable |
| Z02.83 | Encounter for blood-alcohol and blood-drug test | Billable |
| Z02.84 | Encounter for child welfare exam | Billable |
| Z02.89 | Encounter for other administrative examinations | Billable |
| Z02.9 | Encounter for administrative examinations, unspecified | Billable |
Z03
Encounter for medical observation for suspected diseases and conditions ruled out
18 subcodes
| Z03.6 | Encounter for observation for suspected toxic effect from ingested substance ruled out | Billable |
| Z03.7 | Encounter for suspected maternal and fetal conditions ruled out | Header |
| Z03.71 | Encounter for suspected problem with amniotic cavity and membrane ruled out | Billable |
| Z03.72 | Encounter for suspected placental problem ruled out | Billable |
| Z03.73 | Encounter for suspected fetal anomaly ruled out | Billable |
| Z03.74 | Encounter for suspected problem with fetal growth ruled out | Billable |
| Z03.75 | Encounter for suspected cervical shortening ruled out | Billable |
| Z03.79 | Encounter for other suspected maternal and fetal conditions ruled out | Billable |
| Z03.8 | Encounter for observation for other suspected diseases and conditions ruled out | Header |
| Z03.81 | Encounter for observation for suspected exposure to biological agents ruled out | Header |
| Z03.810 | Encounter for observation for suspected exposure to anthrax ruled out | Billable |
| Z03.818 | Encounter for observation for suspected exposure to other biological agents ruled out | Billable |
| Z03.82 | Encounter for observation for suspected foreign body ruled out | Header |
| Z03.821 | Encounter for observation for suspected ingested foreign body ruled out | Billable |
| Z03.822 | Encounter for observation for suspected aspirated (inhaled) foreign body ruled out | Billable |
| Z03.823 | Encounter for observation for suspected inserted (injected) foreign body ruled out | Billable |
| Z03.83 | Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out | Billable |
| Z03.89 | Encounter for observation for other suspected diseases and conditions ruled out | Billable |
Z04
Encounter for examination and observation for other reasons
15 subcodes
| Z04.1 | Encounter for examination and observation following transport accident | Billable |
| Z04.2 | Encounter for examination and observation following work accident | Billable |
| Z04.3 | Encounter for examination and observation following other accident | Billable |
| Z04.4 | Encounter for examination and observation following alleged rape | Header |
| Z04.41 | Encounter for examination and observation following alleged adult rape | Billable |
| Z04.42 | Encounter for examination and observation following alleged child rape | Billable |
| Z04.6 | Encounter for general psychiatric examination, requested by authority | Billable |
| Z04.7 | Encounter for examination and observation following alleged physical abuse | Header |
| Z04.71 | Encounter for examination and observation following alleged adult physical abuse | Billable |
| Z04.72 | Encounter for examination and observation following alleged child physical abuse | Billable |
| Z04.8 | Encounter for examination and observation for other specified reasons | Header |
| Z04.81 | Encounter for examination and observation of victim following forced sexual exploitation | Billable |
| Z04.82 | Encounter for examination and observation of victim following forced labor exploitation | Billable |
| Z04.89 | Encounter for examination and observation for other specified reasons | Billable |
| Z04.9 | Encounter for examination and observation for unspecified reason | Billable |
Z05
Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
18 subcodes
| Z05.0 | Observation and evaluation of newborn for suspected cardiac condition ruled out | Billable |
| Z05.1 | Observation and evaluation of newborn for suspected infectious condition ruled out | Billable |
| Z05.2 | Observation and evaluation of newborn for suspected neurological condition ruled out | Billable |
| Z05.3 | Observation and evaluation of newborn for suspected respiratory condition ruled out | Billable |
| Z05.4 | Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out | Header |
| Z05.41 | Observation and evaluation of newborn for suspected genetic condition ruled out | Billable |
| Z05.42 | Observation and evaluation of newborn for suspected metabolic condition ruled out | Billable |
| Z05.43 | Observation and evaluation of newborn for suspected immunologic condition ruled out | Billable |
| Z05.5 | Observation and evaluation of newborn for suspected gastrointestinal condition ruled out | Billable |
| Z05.6 | Observation and evaluation of newborn for suspected genitourinary condition ruled out | Billable |
| Z05.7 | Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out | Header |
| Z05.71 | Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out | Billable |
| Z05.72 | Observation and evaluation of newborn for suspected musculoskeletal condition ruled out | Billable |
| Z05.73 | Observation and evaluation of newborn for suspected connective tissue condition ruled out | Billable |
| Z05.8 | Observation and evaluation of newborn for other specified suspected condition ruled out | Header |
| Z05.81 | Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out | Billable |
| Z05.89 | Observation and evaluation of newborn for other specified suspected condition ruled out | Billable |
| Z05.9 | Observation and evaluation of newborn for unspecified suspected condition ruled out | Billable |
Z08
Encounter for follow-up examination after completed treatment for malignant neoplasm
0 subcodes
Z09
Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
0 subcodes
Z11
Encounter for screening for infectious and parasitic diseases
13 subcodes
| Z11.0 | Encounter for screening for intestinal infectious diseases | Billable |
| Z11.1 | Encounter for screening for respiratory tuberculosis | Billable |
| Z11.2 | Encounter for screening for other bacterial diseases | Billable |
| Z11.3 | Encounter for screening for infections with a predominantly sexual mode of transmission | Billable |
| Z11.4 | Encounter for screening for human immunodeficiency virus [HIV] | Billable |
| Z11.5 | Encounter for screening for other viral diseases | Header |
| Z11.51 | Encounter for screening for human papillomavirus (HPV) | Billable |
| Z11.52 | Encounter for screening for COVID-19 | Billable |
| Z11.59 | Encounter for screening for other viral diseases | Billable |
| Z11.6 | Encounter for screening for other protozoal diseases and helminthiases | Billable |
| Z11.7 | Encounter for testing for latent tuberculosis infection | Billable |
| Z11.8 | Encounter for screening for other infectious and parasitic diseases | Billable |
| Z11.9 | Encounter for screening for infectious and parasitic diseases, unspecified | Billable |
Z12
Encounter for screening for malignant neoplasms
24 subcodes
| Z12.0 | Encounter for screening for malignant neoplasm of stomach | Billable |
| Z12.1 | Encounter for screening for malignant neoplasm of intestinal tract | Header |
| Z12.10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecified | Billable |
| Z12.11 | Encounter for screening for malignant neoplasm of colon | Billable |
| Z12.12 | Encounter for screening for malignant neoplasm of rectum | Billable |
| Z12.13 | Encounter for screening for malignant neoplasm of small intestine | Billable |
| Z12.2 | Encounter for screening for malignant neoplasm of respiratory organs | Billable |
| Z12.3 | Encounter for screening for malignant neoplasm of breast | Header |
| Z12.31 | Encounter for screening mammogram for malignant neoplasm of breast | Billable |
| Z12.39 | Encounter for other screening for malignant neoplasm of breast | Billable |
| Z12.4 | Encounter for screening for malignant neoplasm of cervix | Billable |
| Z12.5 | Encounter for screening for malignant neoplasm of prostate | Billable |
| Z12.6 | Encounter for screening for malignant neoplasm of bladder | Billable |
| Z12.7 | Encounter for screening for malignant neoplasm of other genitourinary organs | Header |
| Z12.71 | Encounter for screening for malignant neoplasm of testis | Billable |
| Z12.72 | Encounter for screening for malignant neoplasm of vagina | Billable |
| Z12.73 | Encounter for screening for malignant neoplasm of ovary | Billable |
| Z12.79 | Encounter for screening for malignant neoplasm of other genitourinary organs | Billable |
| Z12.8 | Encounter for screening for malignant neoplasm of other sites | Header |
| Z12.81 | Encounter for screening for malignant neoplasm of oral cavity | Billable |
| Z12.82 | Encounter for screening for malignant neoplasm of nervous system | Billable |
| Z12.83 | Encounter for screening for malignant neoplasm of skin | Billable |
| Z12.89 | Encounter for screening for malignant neoplasm of other sites | Billable |
| Z12.9 | Encounter for screening for malignant neoplasm, site unspecified | Billable |
Z13
Encounter for screening for other diseases and disorders
39 subcodes
| Z13.0 | Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | Billable |
| Z13.1 | Encounter for screening for diabetes mellitus | Billable |
| Z13.2 | Encounter for screening for nutritional, metabolic and other endocrine disorders | Header |
| Z13.21 | Encounter for screening for nutritional disorder | Billable |
| Z13.22 | Encounter for screening for metabolic disorder | Header |
| Z13.220 | Encounter for screening for lipoid disorders | Billable |
| Z13.228 | Encounter for screening for other metabolic disorders | Billable |
| Z13.29 | Encounter for screening for other suspected endocrine disorder | Billable |
| Z13.3 | Encounter for screening examination for mental health and behavioral disorders | Header |
| Z13.30 | Encounter for screening examination for mental health and behavioral disorders, unspecified | Billable |
| Z13.31 | Encounter for screening for depression | Billable |
| Z13.32 | Encounter for screening for maternal depression | Billable |
| Z13.39 | Encounter for screening examination for other mental health and behavioral disorders | Billable |
| Z13.4 | Encounter for screening for certain developmental disorders in childhood | Header |
| Z13.40 | Encounter for screening for unspecified developmental delays | Billable |
| Z13.41 | Encounter for autism screening | Billable |
| Z13.42 | Encounter for screening for global developmental delays (milestones) | Billable |
| Z13.49 | Encounter for screening for other developmental delays | Billable |
| Z13.5 | Encounter for screening for eye and ear disorders | Billable |
| Z13.6 | Encounter for screening for cardiovascular disorders | Billable |
| Z13.7 | Encounter for screening for genetic and chromosomal anomalies | Header |
| Z13.71 | Encounter for nonprocreative screening for genetic disease carrier status | Billable |
| Z13.79 | Encounter for other screening for genetic and chromosomal anomalies | Billable |
| Z13.8 | Encounter for screening for other specified diseases and disorders | Header |
| Z13.81 | Encounter for screening for digestive system disorders | Header |
| Z13.810 | Encounter for screening for upper gastrointestinal disorder | Billable |
| Z13.811 | Encounter for screening for lower gastrointestinal disorder | Billable |
| Z13.818 | Encounter for screening for other digestive system disorders | Billable |
| Z13.82 | Encounter for screening for musculoskeletal disorder | Header |
| Z13.820 | Encounter for screening for osteoporosis | Billable |
| Z13.828 | Encounter for screening for other musculoskeletal disorder | Billable |
| Z13.83 | Encounter for screening for respiratory disorder NEC | Billable |
| Z13.84 | Encounter for screening for dental disorders | Billable |
| Z13.85 | Encounter for screening for nervous system disorders | Header |
| Z13.850 | Encounter for screening for traumatic brain injury | Billable |
| Z13.858 | Encounter for screening for other nervous system disorders | Billable |
| Z13.88 | Encounter for screening for disorder due to exposure to contaminants | Billable |
| Z13.89 | Encounter for screening for other disorder | Billable |
| Z13.9 | Encounter for screening, unspecified | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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