Z00
ICD-10Non-billable categoryEncntr for general exam w/o complaint, susp or reprtd dx
Official ICD-10-CM descriptor (FY2026)
Encounter for general examination without complaint, suspected or reported diagnosis
Z00 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- encounter for examination for administrative purposes (Z02.-)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- encounter for pre-procedural examinations (Z01.81-)
- special screening examinations (Z11-Z13)
More specific codes under Z00
- Z00.0Encounter for general adult medical examinationcategory
- Z00.1Encounter for newborn, infant and child health examinationscategory
- Z00.2Encounter for exam for period of rapid growth in childhood
- Z00.3Encounter for examination for adolescent development state
- Z00.5Encounter for exam of potential donor of organ and tissue
- Z00.6Encntr for exam for nrml cmprsn and ctrl in clncl rsrch prog
- Z00.7Encntr for exam for delay growth in childhoodcategory
- Z00.8Encounter for other general examination
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.