ICD 9 CM Codes

alcohol dependence syndrome (303.0-303.9)
drug dependence (304.0-304.9)
drug withdrawal syndrome (292.0)
poisoning by drugs or medicinal substances (960.0-979.9)
Note: Includes cases where a person, for whom no other diagnosis is possible, has come under medical care because of the maladaptive effect of a drug on which he is not dependent and that he has taken on his own initiative to the detriment of his health or social functioning.
The following fifth-digit subclassification is for use with codes 305.0, 305.2-305.9
0 unspecified
1 continuous
2 episodic
3 in remission
305.0Nondependent alcohol abuse
305.1Tobacco use disorder
305.2Nondependent cannabis abuse
305.3Nondependent hallucinogen abuse
305.4Sedative, hypnotic or anxiolytic abuse
305.5Nondependent opioid abuse
305.6Nondependent cocaine abuse
305.7Nondependent amphetamine or related acting sympathomimetic abuse
305.8Nondependent antidepressant type abuse
305.9Nondependent other, mixed, or unspecified drug abuse