Z00
⚠ Non-billable
Encounter for general examination without complaint, suspected or reported diagnosis
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z00
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- encounter for examination for administrative purposes (Z02.-)
Excludes2 — not included here, but may code together
- encounter for pre-procedural examinations (Z01.81-)
- special screening examinations (Z11-Z13)
Frequently asked questions
What is ICD-10 code Z00?
ICD-10-CM code Z00 represents Encounter for general examination without complaint, suspected or reported diagnosis. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z00 billable?
No. Z00 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z00 in?
Z00 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z00 category
Z00.0
Encounter for general adult medical examination
Non-billable
Z00.1
Encounter for newborn, infant and child health examinations
Non-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
Non-billable
Z00.8
Encounter for other general examination
Billable
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