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Appendix C
Scheduling Definitions
Scheduling Definitions Established By the Controlled Substances Act of 1970
Schedule I (includes heroin, LSD, and marijuana)
(A) The drug or other substance has a high potential for abuse.
(B) The drug or other substance has no currently accepted medical use in treatment in the United States.
(C) There is a lack of accepted safety for the use of the drug or other substance under medical supervision.
Schedule II (includes Marinol, methadone, morphine, methamphetamine, and cocaine)
(A) The drug or other substance has a high potential for abuse.
(B) The drug or other substance has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions.
(C) Abuse of the drug or other substances may lead to severe psychological or physical dependence.
Schedule III (includes anabolic steroids)
(A) The drug or other substance has a potential of abuse less than the drugs or other substances in Schedules I and II.
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(B) The drug or other substance has a currently accepted medical use in treatment in the United States.
(C) Abuse of the drug or other substance may lead to moderate or low physical dependence or high psychological dependence.
Schedule IV (includes Valium and other tranquilizers)
(A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in Schedule III.
(B) The drug or other substance has a currently accepted medical use in treatment in the United States.
(C) Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in Schedule III.
Schedule V (includes codeine-containing analgesics)
(A) The drug or other substance has a low potential for abuse relative to the drugs or other substances in Schedule IV.
(B) The drug or other substance has a currently accepted medical use in treatment in the United States.
(C) Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in Schedule IV.
SOURCES: LeCraw (1996) and 21 U.S.C. 812.