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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Adm Policy Ment Health. 2009 Jul 16;36(6):406–415. doi: 10.1007/s10488-009-0230-2

Appendix A.

Patient Depression and Other Psychiatric Disorder ICD-9 Codes and Corresponding Diagnoses

Depression ICD-9 Codes and Corresponding Diagnoses
Code Diagnosis
293.83 Organic Affective Syndrome
296.2x Major Depressive Affective Disorder Single Episode
296.3x Major Depressive Affective Disorder Recurrent Episode
296.90 Unspecified Affective Psychosis
296.99 Other Specified Affective Psychosis
298.0 Depressive Type Psychosis
300.4 Neurotic Depression
301.12 Chronic Depressive Personality Disorder
309.0 Adjustment Reaction with Brief Depressive Reaction
309.1 Adjustment Reaction with Prolonged Depressive Reaction
311. Depressive Disorder Not Elsewhere Specified
Other Psychiatric Disorder ICD-9 Codes and Corresponding Diagnoses
Disorder Code Diagnosis
Substance Use 303.0x Acute Alcoholic Intoxication in Alcoholism (Unspecified, Continuous, Episodic, and In Remission)
Disorder 303.9x Other and Unspecified Alcholic Dependence (Unspecified, Continuous, Episodic, and In Remission)
304.0x-9x Drug Dependence
Opioid Type Dependence (Unspecified, Continuous, Episodic, and In Remission)
Barbiturate and Similarly Active Sedative or Hypnotic (Unspecified, Continuous, Episodic, and In Remission)
Cocaine Dependence (Unspecified, Continuous, Episodic, and In Remission)
Canabis Dependence (Unspecified, Continuous, Episodic, and In Remission)
Amphetamine and Other Psychostimulant Dependence (Unspecified, Continuous, Episodic, and In Remission)
Hallucinogen Dependence (Unspecified, Continuous, Episodic, and In Remission)
Other Specified Drug Dependence (Unspecified, Continuous, Episodic, and In Remission)
Combinations of Opiod Type Drug with any Other Drug (Unspecified, Continuous, Episodic, and In Remission)
Combinations of Drug Dependence Excluding Opiod Type Drugs (Unspecified, Continuous, Episodic, and In Remission)
Unspecified Drug Dependence (Unspecified, Continuous, Episodic, and In Remission)
291.x Alcoholic Psychoses
Alcohol Withdrawal Delirium
Alcohol Amnestic Syndrome
Other Alcoholic Dementia
Alcohol Withdrawal Hallucinosis
Idiosyncratic Alcohol Intoxication
Alcoholic Jealousy
Other Specified Alcoholic Psychosis
Alcohol Withdrawal
Other Alcoholic Psychosis
Unspecified Alcoholic Psychosis
292.x Drug Psychoses
Drug Withdrawal Syndrome
Paranoid and/or Hallucinatory States Induced By Drugs
Drug Induced Organic Delusional Syndrome
Drug Induced Hallucinosis
Pathological Drug Intoxication
Other Specified Drug Induced Mental Disorders
Drug Induced Delirium
Drug Induced Dementia
Drug Induced Amnestic Syndrome
Drug Induced Organic Affective Syndrome
Other Specified Drug Induced Mental Disorders
Unspecified Drug Induced Mental Disorder
PTSD 309.81 Prolonged Post Traumatic Stress Disorder
Other Anxiety Disorders 300.00-300.02 Anxiety State Unspecified
Panic Disorder
Generalized Anxiety Disorder
300.09 Other Anxiety States
300.10 Hysteria
300.20-300.23 Phobia Unspecified
Agoraphobia with Panic Attacks
Agoraphobia without Panic Attacks
Social Phobia
300.29 Other Isolated or Simple Phobias
Personality Disorders 301.0 Paranoid Personality Disorder
301.20 Schizoid Personality Disorder Unspecified
301.22 Schizotypal Personality Disorder
301.7 Antisocial Personality Disorder
301.83 Borderline Personality
301.50 Histrionic Personality Disorder Unspecified
301.81 Narcissistic Personality
301.82 Avoidant Personality
301.6 Dependent Personality Disorder
301.4 Compulsive Personality Disorder
301.9 Unspecified Personality Disorder
Bipolar Disorder II 296.8x Manic-Depressive Psychosis, Other and Unspecified
Manic-Depressive Psychosis Unspecified
Atypical Manic Disorder
Atypical Depressive Disorder
Other Manic-Depressive Psychosis