Z00-Z13Not billable, use a more specific code below
Persons encountering health services for examinations (Z00-Z13)
chapter 21: Factors Influencing Health Status and Contact with Health Services
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.
All codes under Z00-Z13
Z00-Z13 can't be used on a claim. Pick a billable code below; grey headings group them.
- Z00Encounter for general examination without complaint, suspected or reported diagnosis
- Z00.0Encounter for general adult medical examination
- Z00.00Encounter for general adult medical examination without abnormal findings
- Z00.01Encounter for general adult medical examination with abnormal findings
- Z00.1Encounter for newborn, infant and child health examinations
- Z00.11Newborn health examination
- Z00.110Health examination for newborn under 8 days old
- Z00.111Health examination for newborn 8 to 28 days old
- Z00.12Encounter for routine child health examination
- Z00.121Encounter for routine child health examination with abnormal findings
- Z00.129Encounter for routine child health examination without abnormal findings
- Z00.2Encounter for examination for period of rapid growth in childhood
- Z00.3Encounter for examination for adolescent development state
- Z00.5Encounter for examination of potential donor of organ and tissue
- Z00.6Encounter for examination for normal comparison and control in clinical research program
- Z00.7Encounter for examination for period of delayed growth in childhood
- Z00.70Encounter for examination for period of delayed growth in childhood without abnormal findings
- Z00.71Encounter for examination for period of delayed growth in childhood with abnormal findings
- Z00.8Encounter for other general examination
- Z01Encounter for other special examination without complaint, suspected or reported diagnosis
- Z01.0Encounter for examination of eyes and vision
- Z01.00Encounter for examination of eyes and vision without abnormal findings
- Z01.01Encounter for examination of eyes and vision with abnormal findings
- Z01.02Encounter for examination of eyes and vision following failed vision screening
- Z01.020Encounter for examination of eyes and vision following failed vision screening without abnormal findings
- Z01.021Encounter for examination of eyes and vision following failed vision screening with abnormal findings
- Z01.1Encounter for examination of ears and hearing
- Z01.10Encounter for examination of ears and hearing without abnormal findings
- Z01.11Encounter for examination of ears and hearing with abnormal findings
- Z01.110Encounter for hearing examination following failed hearing screening
- Z01.118Encounter for examination of ears and hearing with other abnormal findings
- Z01.12Encounter for hearing conservation and treatment
- Z01.2Encounter for dental examination and cleaning
- Z01.20Encounter for dental examination and cleaning without abnormal findings
- Z01.21Encounter for dental examination and cleaning with abnormal findings
- Z01.3Encounter for examination of blood pressure
- Z01.30Encounter for examination of blood pressure without abnormal findings
- Z01.31Encounter for examination of blood pressure with abnormal findings
- Z01.4Encounter for gynecological examination
- Z01.41Encounter for routine gynecological examination
- Z01.411Encounter for gynecological examination (general) (routine) with abnormal findings
- Z01.419Encounter for gynecological examination (general) (routine) without abnormal findings
- Z01.42Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear
- Z01.8Encounter for other specified special examinations
- Z01.81Encounter for preprocedural examinations
- Z01.810Encounter for preprocedural cardiovascular examination
- Z01.811Encounter for preprocedural respiratory examination
- Z01.812Encounter for preprocedural laboratory examination
- Z01.818Encounter for other preprocedural examination
- Z01.82Encounter for allergy testing
- Z01.83Encounter for blood typing
- Z01.84Encounter for antibody response examination
- Z01.89Encounter for other specified special examinations
- Z02Encounter for administrative examination
- Z02.0Encounter for examination for admission to educational institution
- Z02.1Encounter for pre-employment examination
- Z02.2Encounter for examination for admission to residential institution
- Z02.3Encounter for examination for recruitment to armed forces
- Z02.4Encounter for examination for driving license
- Z02.5Encounter for examination for participation in sport
- Z02.6Encounter for examination for insurance purposes
- Z02.7Encounter for issue of medical certificate
- Z02.71Encounter for disability determination
- Z02.79Encounter for issue of other medical certificate
- Z02.8Encounter for other administrative examinations
- Z02.81Encounter for paternity testing
- Z02.82Encounter for adoption services
- Z02.83Encounter for blood-alcohol and blood-drug test
- Z02.84Encounter for child welfare exam
- Z02.89Encounter for other administrative examinations
- Z02.9Encounter for administrative examinations, unspecified
- Z03Encounter for medical observation for suspected diseases and conditions ruled out
- Z03.6Encounter for observation for suspected toxic effect from ingested substance ruled out
- Z03.7Encounter for suspected maternal and fetal conditions ruled out
- Z03.71Encounter for suspected problem with amniotic cavity and membrane ruled out
- Z03.72Encounter for suspected placental problem ruled out
- Z03.73Encounter for suspected fetal anomaly ruled out
- Z03.74Encounter for suspected problem with fetal growth ruled out
- Z03.75Encounter for suspected cervical shortening ruled out
- Z03.79Encounter for other suspected maternal and fetal conditions ruled out
- Z03.8Encounter for observation for other suspected diseases and conditions ruled out
- Z03.81Encounter for observation for suspected exposure to biological agents ruled out
- Z03.810Encounter for observation for suspected exposure to anthrax ruled out
- Z03.818Encounter for observation for suspected exposure to other biological agents ruled out
- Z03.82Encounter for observation for suspected foreign body ruled out
- Z03.821Encounter for observation for suspected ingested foreign body ruled out
- Z03.822Encounter for observation for suspected aspirated (inhaled) foreign body ruled out
- Z03.823Encounter for observation for suspected inserted (injected) foreign body ruled out
- Z03.83Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out
- Z03.89Encounter for observation for other suspected diseases and conditions ruled out
- Z04Encounter for examination and observation for other reasons
- Z04.1Encounter for examination and observation following transport accident
- Z04.2Encounter for examination and observation following work accident
- Z04.3Encounter for examination and observation following other accident
- Z04.4Encounter for examination and observation following alleged rape
- Z04.41Encounter for examination and observation following alleged adult rape
- Z04.42Encounter for examination and observation following alleged child rape
- Z04.6Encounter for general psychiatric examination, requested by authority
- Z04.7Encounter for examination and observation following alleged physical abuse
- Z04.71Encounter for examination and observation following alleged adult physical abuse
- Z04.72Encounter for examination and observation following alleged child physical abuse
- Z04.8Encounter for examination and observation for other specified reasons
- Z04.81Encounter for examination and observation of victim following forced sexual exploitation
- Z04.82Encounter for examination and observation of victim following forced labor exploitation
- Z04.89Encounter for examination and observation for other specified reasons
- Z04.9Encounter for examination and observation for unspecified reason
- Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
- Z05.0Observation and evaluation of newborn for suspected cardiac condition ruled out
- Z05.1Observation and evaluation of newborn for suspected infectious condition ruled out
- Z05.2Observation and evaluation of newborn for suspected neurological condition ruled out
- Z05.3Observation and evaluation of newborn for suspected respiratory condition ruled out
- Z05.4Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out
- Z05.41Observation and evaluation of newborn for suspected genetic condition ruled out
- Z05.42Observation and evaluation of newborn for suspected metabolic condition ruled out
- Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled out
- Z05.5Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
- Z05.6Observation and evaluation of newborn for suspected genitourinary condition ruled out
- Z05.7Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out
- Z05.71Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
- Z05.72Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
- Z05.73Observation and evaluation of newborn for suspected connective tissue condition ruled out
- Z05.8Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.81Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
- Z05.89Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.9Observation and evaluation of newborn for unspecified suspected condition ruled out
- Z08Encounter for follow-up examination after completed treatment for malignant neoplasm
- Z09Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
- Z11Encounter for screening for infectious and parasitic diseases
- Z11.0Encounter for screening for intestinal infectious diseases
- Z11.1Encounter for screening for respiratory tuberculosis
- Z11.2Encounter for screening for other bacterial diseases
- Z11.3Encounter for screening for infections with a predominantly sexual mode of transmission
- Z11.4Encounter for screening for human immunodeficiency virus [HIV]
- Z11.5Encounter for screening for other viral diseases
- Z11.51Encounter for screening for human papillomavirus (HPV)
- Z11.52Encounter for screening for COVID-19
- Z11.59Encounter for screening for other viral diseases
- Z11.6Encounter for screening for other protozoal diseases and helminthiases
- Z11.7Encounter for testing for latent tuberculosis infection
- Z11.8Encounter for screening for other infectious and parasitic diseases
- Z11.9Encounter for screening for infectious and parasitic diseases, unspecified
- Z12Encounter for screening for malignant neoplasms
- Z12.0Encounter for screening for malignant neoplasm of stomach
- Z12.1Encounter for screening for malignant neoplasm of intestinal tract
- Z12.10Encounter for screening for malignant neoplasm of intestinal tract, unspecified
- Z12.11Encounter for screening for malignant neoplasm of colon
- Z12.12Encounter for screening for malignant neoplasm of rectum
- Z12.13Encounter for screening for malignant neoplasm of small intestine
- Z12.2Encounter for screening for malignant neoplasm of respiratory organs
- Z12.3Encounter for screening for malignant neoplasm of breast
- Z12.31Encounter for screening mammogram for malignant neoplasm of breast
- Z12.39Encounter for other screening for malignant neoplasm of breast
- Z12.4Encounter for screening for malignant neoplasm of cervix
- Z12.5Encounter for screening for malignant neoplasm of prostate
- Z12.6Encounter for screening for malignant neoplasm of bladder
- Z12.7Encounter for screening for malignant neoplasm of other genitourinary organs
- Z12.71Encounter for screening for malignant neoplasm of testis
- Z12.72Encounter for screening for malignant neoplasm of vagina
- Z12.73Encounter for screening for malignant neoplasm of ovary
- Z12.79Encounter for screening for malignant neoplasm of other genitourinary organs
- Z12.8Encounter for screening for malignant neoplasm of other sites
- Z12.81Encounter for screening for malignant neoplasm of oral cavity
- Z12.82Encounter for screening for malignant neoplasm of nervous system
- Z12.83Encounter for screening for malignant neoplasm of skin
- Z12.89Encounter for screening for malignant neoplasm of other sites
- Z12.9Encounter for screening for malignant neoplasm, site unspecified
- Z13Encounter for screening for other diseases and disorders
- Z13.0Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Z13.1Encounter for screening for diabetes mellitus
- Z13.2Encounter for screening for nutritional, metabolic and other endocrine disorders
- Z13.21Encounter for screening for nutritional disorder
- Z13.22Encounter for screening for metabolic disorder
- Z13.220Encounter for screening for lipoid disorders
- Z13.228Encounter for screening for other metabolic disorders
- Z13.29Encounter for screening for other suspected endocrine disorder
- Z13.3Encounter for screening examination for mental health and behavioral disorders
- Z13.30Encounter for screening examination for mental health and behavioral disorders, unspecified
- Z13.31Encounter for screening for depression
- Z13.32Encounter for screening for maternal depression
- Z13.39Encounter for screening examination for other mental health and behavioral disorders
- Z13.4Encounter for screening for certain developmental disorders in childhood
- Z13.40Encounter for screening for unspecified developmental delays
- Z13.41Encounter for autism screening
- Z13.42Encounter for screening for global developmental delays (milestones)
- Z13.49Encounter for screening for other developmental delays
- Z13.5Encounter for screening for eye and ear disorders
- Z13.6Encounter for screening for cardiovascular disorders
- Z13.7Encounter for screening for genetic and chromosomal anomalies
- Z13.71Encounter for nonprocreative screening for genetic disease carrier status
- Z13.79Encounter for other screening for genetic and chromosomal anomalies
- Z13.8Encounter for screening for other specified diseases and disorders
- Z13.81Encounter for screening for digestive system disorders
- Z13.810Encounter for screening for upper gastrointestinal disorder
- Z13.811Encounter for screening for lower gastrointestinal disorder
- Z13.818Encounter for screening for other digestive system disorders
- Z13.82Encounter for screening for musculoskeletal disorder
- Z13.820Encounter for screening for osteoporosis
- Z13.828Encounter for screening for other musculoskeletal disorder
- Z13.83Encounter for screening for respiratory disorder NEC
- Z13.84Encounter for screening for dental disorders
- Z13.85Encounter for screening for nervous system disorders
- Z13.850Encounter for screening for traumatic brain injury
- Z13.858Encounter for screening for other nervous system disorders
- Z13.88Encounter for screening for disorder due to exposure to contaminants
- Z13.89Encounter for screening for other disorder
- Z13.9Encounter for screening, unspecified
Z00-Z13 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Health Checkup
Regular checkups with your health care provider are different from appointments for sickness or injury. These checkups include physical exams as well as preventive care. Preventative care may include:
Read more about health checkup on MedlinePlus