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Marijuana (Cannabis) Use Disorder

J.E. Lambrecht, MD, PharmD and Jai D. Parekh, MBBS Reviewed 06/2018
 


BASICS

DESCRIPTION

Marijuana or cannabis use disorder is classified into different categories (mild, moderate, or severe) depending on how many symptoms are present. Mild: 2 to 3; moderate: 4 to 5; sev...

DIAGNOSIS

  • Screen for marijuana in a similar way to tobacco and alcohol.

  • Ask for frequency and amount used (e.g., “How often do you use marijuana? Daily? Weekly?”; “How long does a typical ‘nickel bag’ ...

TREATMENT

  • Several methods of behavioral-based interventions:

    • Cognitive-behavioral therapy

    • Motivational interviewing

    • Counseling

    • Contingency management

    • Social network behavior therapy

    • 12-step approach

    • Family...

ONGOING CARE

FOLLOW UP RECOMMENDATIONS

  • Monitor cessation by testing urine over several weeks for the inactive cannabis metabolites (carboxy-THC).

  • Heavy smokers may “pop” positive for marijuana up to 6 w...

REFERENCES

1
American Psychiatric Association. Substance-related and addictive disorders. In: Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Arlington, VA: American Psychiatric Associat...

ADDITIONAL READING

  • Center for Behavioral Health Statistics and Quality. 2015 National Survey on Drug Use and Health. Rockville, MA: Substance Abuse and Mental Health Services Administration; 2016.

  • Fr...

CODES

ICD10

  • F12.10 Cannabis abuse, uncomplicated

  • F12.20 Cannabis dependence, uncomplicated

  • F12.288 Cannabis dependence with other cannabis-induced disorder

  • F12.159 Cannabis abuse with psychotic disorder, ...

CLINICAL PEARLS

  • Marijuana abuse may result in poor performance in school or work, legal problems, and family dysfunction.

  • Patients with schizophrenia use marijuana more frequently, often hindering thei...

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