Z03.6

ICD-10Billable

Encntr for obs for susp toxic eff from ingest sub ruled out

Official ICD-10-CM descriptor (FY2026)

Encounter for observation for suspected toxic effect from ingested substance ruled out

Z03.6 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Encounter for observation for suspected adverse effect from drug
  • Encounter for observation for suspected poisoning

Related codes in Z03

Where this code sits

Parent code
Z03

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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