T39.9
Non-billablePoisoning by, adverse effect of and underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic
T39.9 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic. It is a non-billable category code — use a more specific child code such as T39.91 for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHMost of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements…
Read more about Drug Reactions at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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