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298.9 - Unspecified Psychosis


The ICD 9 Code for Unspecified psychosis is listed as 298.9.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 298.9
Long Description: Unspecified psychosis
Short Description: Psychosis NOS
Chapter: Mental Disorders
Block: Other Psychoses (295-299)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: F29 - Unspecified psychosis not due to a substance or known physiological condition (approximate)
ICD-9-CM Siblings (same level / similar specificity) of 298.9:
298.0 - Depressive type psychosis
298.1 - Excitative type psychosis
298.2 - Reactive confusion
298.3 - Acute paranoid reaction
298.4 - Psychogenic paranoid psychosis
298.8 - Other and unspecified reactive psychosis