Z03.6
Z03.6: Encounter for observation for suspected toxic effect from ingested substance ruled out
Billable / specific codeICD-10-CMPOA exempt
Z03.6 is a billable, specific ICD-10-CM code for encounter for observation for suspected toxic effect from ingested substance ruled out. It is valid for submission on a claim.
Check Z03.6 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Encounter for observation for suspected adverse effect from drug
- Encounter for observation for suspected poisoning
Excludes1 inherited from the categories above Z03.6
A category’s note binds every code beneath it.
Written on Z03: Encounter for medical observation for suspected diseases and conditions ruled out
Other codes that can never be billed with Z03.6
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Z03.6 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56799Billing and Coding: Visual Fields Testing
- A56916Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
Alphabetic index entries that lead here
- Observation›adverse effect of drug
- Observation›toxic effects from ingested substance(drug) (poison)
- Self-poisoning›observation following attempt(alleged)
- Observation›suicide attempt, alleged NEC›self-poisoning
- Observation›suspected, ruled out›drug poisoning or adverse effect
- Observation›suspected, ruled out›toxic effects from ingested substance(drug) (poison)
- Observation›suspected, ruled out›suicide attempt, alleged›self-poisoning
Code history
Unchanged in every release from FY2024 to FY2027.