ICD-10-CM › F01-F99 › F20-F29 › F20 Schizophrenia › F20.0

F20.0

Paranoid schizophrenia

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Paranoid schizophrenia

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from F20 Schizophrenia

Excludes1 - never coded here

  • brief psychotic disorder (F23)
  • cyclic schizophrenia (F25.0)
  • mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
  • schizoaffective disorder (F25.-)
  • schizophrenic reaction NOS (F23)

Excludes2 - not included here

  • schizophrenic reaction in:
  • alcoholism (F10.15-, F10.25-, F10.95-)
  • brain disease (F06.2)
  • epilepsy (F06.2)
  • psychoactive drug use (F11-F19 with .15. .25, .95)
  • schizotypal disorder (F21)

Use additional code

  • code, if applicable, to identify:
  • other specified cognitive deficit (R41.84-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
F20.1 Disorganized schizophrenia Valid
F20.2 Catatonic schizophrenia Valid
F20.3 Undifferentiated schizophrenia Valid
F20.5 Residual schizophrenia Valid
F20.8 Other schizophrenia Not billable
F20.9 Schizophrenia, unspecified Valid