---
title: "ICD-10-CM Z00.6: Encounter for examination for normal… | BillingBrief"
description: "ICD-10-CM code Z00.6: Encounter for examination for normal comparison and control in clinical research program. Category, related codes, and the official…"
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# Z00.6 Encounter for examination for normal comparison and control in clinical research program

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Encounter for examination for normal comparison and control in clinical research program

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Also covers

-   Examination of participant or control in clinical research program

### Note

-   Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

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

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   encounter for pre-procedural examinations (Z01.81-)
-   special screening examinations (Z11-Z13)
-   examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

## Related codes

-   [`Z00.121` Encounter for routine child health examination with abnormal findings ICD-10-CM](https://billingbrief.com/icd10/z00.121/)
-   [`Z00.129` Encounter for routine child health examination without abnormal findings ICD-10-CM](https://billingbrief.com/icd10/z00.129/)
-   [`Z00.2` Encounter for examination for period of rapid growth in childhood ICD-10-CM](https://billingbrief.com/icd10/z00.2/)
-   [`Z00.3` Encounter for examination for adolescent development state ICD-10-CM](https://billingbrief.com/icd10/z00.3/)
-   [`Z00.5` Encounter for examination of potential donor of organ and tissue ICD-10-CM](https://billingbrief.com/icd10/z00.5/)
-   [`Z00.70` Encounter for examination for period of delayed growth in childhood without abnormal… ICD-10-CM](https://billingbrief.com/icd10/z00.70/)
-   [`Z00.71` Encounter for examination for period of delayed growth in childhood with abnormal findings ICD-10-CM](https://billingbrief.com/icd10/z00.71/)
-   [`Z00.8` Encounter for other general examination ICD-10-CM](https://billingbrief.com/icd10/z00.8/)

## Common questions

### Is Z00.6 a billable code?

Yes. Z00.6 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

Z00 Encounter for general examination without complaint, suspected or reported diagnosis

Chapter

Factors influencing health status and contact with health services

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).