2025 ICD-10-CM Diagnosis Code F20

by

Schizophrenia

  • F20 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM F20 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of F20 – other international versions of ICD-10 F20 may differ.

Use Additional

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

Type 1 Excludes

  • 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)

Type 2 Excludes

  • 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)

The following code(s) above F20 contain annotation back-references

 that may be applicable to F20:

  • F01-F99  Mental, Behavioral and Neurodevelopmental disorders

Clinical Information

  • A group of severe mental disorders in which a person has trouble telling the difference between real and unreal experiences, thinking logically, having normal emotional responses to others, and behaving normally in social situations. Symptoms include seeing, hearing, feeling things that are not there, having false ideas about what is taking place or who one is, nonsense speech, unusual behavior, lack of emotion, and social withdrawal.
  • A major psychotic disorder characterized by abnormalities in the perception or expression of reality. It affects the cognitive and psychomotor functions. Common clinical signs and symptoms include delusions, hallucinations, disorganized thinking, and retreat from reality.
  • A severe emotional disorder of psychotic depth characteristically marked by a retreat from reality with delusion formation, hallucinations, emotional disharmony, and regressive behavior.
  • Class of psychoses with disturbance mainly of cognition (content and form of thought, perception, sense of self versus external world, volition) and psychomotor function, rather than affect.
  • Schizophrenia is a severe, lifelong brain disorder. People who have it may hear voices, see things that aren’t there or believe that others are reading or controlling their minds. In men, symptoms usually start in the late teens and early 20s. They include hallucinations, or seeing things, and delusions such as hearing voices. For women, they start in the mid-20s to early 30s. Other symptoms include
    • unusual thoughts or perceptions
    • disorders of movement
    • difficulty speaking and expressing emotion
    • problems with attention, memory and organization
    no one is sure what causes schizophrenia, but your genetic makeup and brain chemistry probably play a role. Medicines can relieve many of the symptoms, but it can take several tries before you find the right drug. You can reduce relapses by staying on your medicine for as long as your doctor recommends. With treatment, many people improve enough to lead satisfying lives.

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to F20:

  • Code First: R41.84
  • Type 1 Excludes: F25
  • Type 2 Excludes: F06.0, F06.2, F42, F60.1, F63.1, F90, F91, F94.0
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