Table that lists three- to five-digit code numbers with descriptions to identify classifications of drugs and other chemical substances for poisoning states and external causes of adverse effects (see Table T-1 ). It is found after the Alphabetical Index in Volume 2, Section 2 of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code book.

Series of three- to five-digit code numbers with descriptions for disease classifications listed in Volume 1 of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code book.