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Z00

⚠ Non-billable (Header)

Encounter for general examination without complaint, suspected or reported diagnosis

Factors influencing health status and contact with health services (Z00-Z99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with Z00

  • • encounter for examination for administrative purposes (Z02.-)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • encounter for pre-procedural examinations (Z01.81-)
  • • special screening examinations (Z11-Z13)

Child Codes (8)

Z00.0Encounter for general adult medical examinationZ00.1Encounter for newborn, infant and child health examinationsZ00.2Encounter for examination for period of rapid growth in childhoodZ00.3Encounter for examination for adolescent development stateZ00.5Encounter for examination of potential donor of organ and tissueZ00.6Encounter for examination for normal comparison and control in clinical research programZ00.7Encounter for examination for period of delayed growth in childhoodZ00.8Encounter for other general examination

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Code Information

CodeZ00
BillableNo — Header code
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes11 rule(s)
Excludes22 note(s)
Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)