Z03.6 ICD-10-CM Code: Encounter for observation for suspected toxic effect from ingested substance ruled out
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z03.6Encounter for observation for suspected toxic effect from ingested substance ruled out
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z03.6 sits
- 1
Chapter 21
Factors influencing health status and contact with health services (Z00-Z99)
- 2
Section
Persons encountering health services for examinations (Z00-Z13)
- 3
Category Z03
Encounter for medical observation for suspected diseases and conditions ruled out
- 4
Code Z03.6
Encounter for observation for suspected toxic effect from ingested substance ruled out
Documentation details
Notes for this code
Inclusion terms
- Encounter for observation for suspected adverse effect from drug
- Encounter for observation for suspected poisoning
Code first
No “code first” instruction is listed for Z03.6.
Use additional code
No “use additional code” instruction is listed for Z03.6.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z03.6.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z03.6.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Z03.6 mean?
Z03.6 is the FY 2027 U.S. ICD-10-CM code for “Encounter for observation for suspected toxic effect from ingested substance ruled out.”
Is Z03.6 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Z03.6 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Z03.6 located in ICD-10-CM?
Z03.6 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Persons encountering health services for examinations (Z00-Z13) (Z00–Z13), under category Z03, Encounter for medical observation for suspected diseases and conditions ruled out.
What coding notes are listed for Z03.6?
Its listed inclusion terms are Encounter for observation for suspected adverse effect from drug; Encounter for observation for suspected poisoning. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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