Encounter for general examination without complaint, suspected or reported diagnosis (Z00) ICD-10-CM
The Z00 code range covers encounter for general examination without complaint, suspected or reported diagnosis with 19 ICD-10-CM diagnosis codes. 13 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- encounter for examination for administrative purposes Z02
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Codes in the Z00 Range 19 codes · 13 billable
- Z00 Encounter for general examination without complaint, suspected or reported diagnosisNon-billable
- Z00.0 Encounter for general adult medical examinationNon-billable
- 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 examinationsNon-billable
- Z00.11 Newborn health examinationNon-billable
- 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 examinationNon-billable
- 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 childhoodNon-billable
- 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
About the Z00 Code Range
These encounters involve general examinations without a complaint, suspected diagnosis, or reported diagnosis.
Z00.0 covers adult examinations and separates those with abnormal findings from those without. Z00.1 covers newborn, infant, and child health examinations. Newborn examinations split by age, while routine child examinations split by whether abnormal findings are present.
Other subdivisions cover rapid or delayed growth in childhood, adolescent development, examination of potential organ and tissue donors, comparison or control in clinical research, and other general examinations. Examinations for delayed growth also separate those with abnormal findings from those without.
Questions About This Page
How many billable codes are in the Z00 range?
Of the 19 codes in this range, 13 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the Z00 range classify?
The range classifies encounter for general examination without complaint, suspected or reported diagnosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
