Z00: Encounter for general examination without complaint, suspected or reported diagnosis
Codes under Z00 (Encounter for general examination without complaint, suspected or reported diagnosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z00.0 | Encounter for general adult medical examination | — |
| Z00.0 | Encounter for general adult medical examination | — |
| Z00.00 | Encounter for general adult medical examination without abnormal findings | ✓ |
| Z00.00 | Encounter for general adult medical examination without abnormal findings | ✓ |
| Z00.01 | Encounter for general adult medical examination with abnormal findings | ✓ |
| Z00.01 | Encounter for general adult medical examination with abnormal findings | ✓ |
| Z00.1 | Encounter for newborn, infant and child health examinations | — |
| Z00.1 | Encounter for newborn, infant and child health examinations | — |
| Z00.2 | Encounter for examination for period of rapid growth in childhood | ✓ |
| Z00.2 | Encounter for examination for period of rapid growth in childhood | ✓ |
| Z00.3 | Encounter for examination for adolescent development state | ✓ |
| Z00.3 | Encounter for examination for adolescent development state | ✓ |
| Z00.5 | Encounter for examination of potential donor of organ and tissue | ✓ |
| 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 | ✓ |
| Z00.6 | Encounter for examination for normal comparison and control in clinical research program | ✓ |
| Z00.7 | Encounter for examination for period of delayed growth in childhood | — |
| Z00.7 | Encounter for examination for period of delayed growth in childhood | — |
| Z00.8 | Encounter for other general examination | ✓ |
| Z00.8 | Encounter for other general examination | ✓ |
| Z00.11 | Newborn health examination | — |
| Z00.11 | Newborn health examination | — |
| Z00.12 | Encounter for routine child health examination | — |
| Z00.12 | Encounter for routine child health examination | — |
| Z00.70 | Encounter for examination for period of delayed growth in childhood without abnormal findings | ✓ |
| 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 | ✓ |
| Z00.71 | Encounter for examination for period of delayed growth in childhood with abnormal findings | ✓ |
| Z00.110 | Health examination for newborn under 8 days old | ✓ |
| Z00.110 | Health examination for newborn under 8 days old | ✓ |
| Z00.111 | Health examination for newborn 8 to 28 days old | ✓ |
| Z00.111 | Health examination for newborn 8 to 28 days old | ✓ |
| Z00.121 | Encounter for routine child health examination with abnormal findings | ✓ |
| Z00.121 | Encounter for routine child health examination with abnormal findings | ✓ |
| Z00.129 | Encounter for routine child health examination without abnormal findings | ✓ |
| Z00.129 | Encounter for routine child health examination without abnormal findings | ✓ |
Frequently asked questions
What is ICD-10-CM code Z00?
Z00 is an ICD-10-CM category covering Encounter for general examination without complaint, suspected or reported diagnosis. It contains 36 more specific diagnosis codes, 26 of which are billable.
Is Z00 a billable code?
No — Z00 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z00.0 — Encounter for general adult medical examination). 26 of the 36 codes under Z00 are billable.
What codes fall under Z00?
Z00 includes Z00.0, Z00.0, Z00.00, Z00.00, Z00.01, plus 31 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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