Index table

ICD-10-CM Table of Drugs and Chemicals

Find the substance down the left, then read across to the column matching what happened. The same substance produces six different codes depending on intent and circumstance. 7,210 entries, FY2027.

Getting the intent wrong produces a valid but wrong code
Poisoning and adverse effect are not interchangeable. An adverse effect is a reaction to a drug correctly prescribed and correctly taken; a poisoning is an overdose, a wrong substance, or a wrong route. Underdosing means taking less than prescribed.

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A trailing dash on a code means further characters are required — verify it in the Tabular List before reporting. The Table of Drugs and Chemicals is a finding aid; the Tabular List is authoritative. Data sources