Z03.6
Billable codeEncounter for observation for suspected toxic effect from ingested substance ruled out
The ICD-10 code for encounter for observation for suspected toxic effect from ingested substance ruled out is Z03.6.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Encounter for observation for suspected adverse effect from drug
- Encounter for observation for suspected poisoning
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z03.7Encounter for suspected maternal and fetal conditions ruled outnon-billable header
- Z03.8Encounter for observation for other suspected diseases and conditions ruled outnon-billable header
- Z03.6Encounter for observation for suspected toxic effect from ingested substance ruled out
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V7189Approximate match
Associated MS-DRGs
Z03.6 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.