Non-Billable / Non-Specific Code
ICD-10-CM Z00.0 is the diagnosis code for Encounter for general adult medical examination. This code falls under the section "Persons encountering health services for examinations" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as Z00.0. They are mutually exclusive:
Understanding where Z00.0 sits in the ICD-10-CM classification helps ensure proper coding:
No, Z00.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Z00.0 is the ICD-10-CM diagnosis code for "Encounter for general adult medical examination". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z00.0 is Z00 ("Encounter for general examination without complaint, suspected or reported diagnosis"). Z00.0 provides a more specific classification within this category.
Z00.0 is located in Section Z00-Z13 — "Persons encountering health services for examinations" within Chapter 21 of the ICD-10-CM Tabular List.
Z00.0 has 2 sub-code(s) that provide more specific detail: Z00.00, Z00.01.
Use Z00.0 when the patients documented diagnosis matches "Encounter for general adult medical examination" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Encounter for general adult medical examination is Z00.0.
No, Z00.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Z00.0 is in Chapter 21 of the ICD-10-CM Tabular List.
Type 1 Excludes for Z00.0 include: encounter for examination of sign or symptom- code to sign or symptom; general health check-up of infant or child (Z00.12.-).
Yes, Z00.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.