List of ICD-9 codes 290–319: mental disorders

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ICD-9 chapters
Chapter Block Title
I 001–139 Infectious and Parasitic Diseases
II 140–239 Neoplasms
III 240–279 Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders
IV 280–289 Diseases of the Blood and Blood-forming Organs
V 290–319 Mental Disorders
VI 320–389 Diseases of the Nervous System and Sense Organs
VII 390–459 Diseases of the Circulatory System
VIII 460–519 Diseases of the Respiratory System
IX 520–579 Diseases of the Digestive System
X 580–629 Diseases of the Genitourinary System
XI 630–679 Complications of Pregnancy, Childbirth, and the Puerperium
XII 680–709 Diseases of the Skin and Subcutaneous Tissue
XIII 710–739 Diseases of the Musculoskeletal System and Connective Tissue
XIV 740–759 Congenital Anomalies
XV 760–779 Certain Conditions originating in the Perinatal Period
XVI 780–799 Symptoms, Signs and Ill-defined Conditions
XVII 800–999 Injury and Poisoning
E800–E999 Supplementary Classification of External Causes of Injury and Poisoning
V01–V82 Supplementary Classification of Factors influencing Health Status and Contact with Health Services
M8000–M9970 Morphology of Neoplasms

This is the fifth chapter of the ICD-9: Mental Disorders. The Source is the 9th edition of Manual of the International Statistical Classification of Diseases, Injuries, and Causes of Death (ICD-9, 1977).[1] Based on the Recommendations of the Ninth Revision Conference, 1975, and Adopted by the Twenty-ninth World Health Assembly.

Psychosis (290–299)[edit]

Organic psychotic conditions (290–294)[edit]

Other psychoses (295–299)[edit]

Neurotic disorders, personality disorders, and other nonpsychotic mental disorders (300–316)[edit]

Neurotic disorders (300)[edit]

Personality disorders (301)[edit]

Sexual deviations and disorders (302)[edit]

Psychoactive substance (303–305)[edit]

Other (primarily adult onset) (306–311)[edit]

Mental disorders diagnosed in childhood (312–316)[edit]

Mental retardation (317–319)[edit]

  • (317) Mild mental retardation (Include: feeble-minded, high-grade defect, mild mental subnormality, moron)
  • (318) Other specified mental retardation
    • (318.0) Moderate mental retardation (Include: imbecile, moderate mental subnormality)
    • (318.1) Severe mental retardation (Include: severe mental subnormality)
    • (318.2) Profound mental retardation (Include: idiocy, profound mental subnormality)
  • (319) Unspecified mental retardation (Include: mental deficiency NOS, mental subnormality NOS)

See also[edit]

External links[edit]


  1. ^ World Health Organization (1977). Manual of the International Statistical Classification of Diseases, Injuries, and Causes of Death (PDF). Vol. 1. Jeneva. p. 177—213.