F20.0

Billable

Paranoid schizophrenia

F20.0 is the ICD-10-CM code for Paranoid schizophrenia. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
F01-F99
Parent
F20
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

What this means — in plain language

MedlinePlus · NIH

Schizophrenia is a serious brain illness. People who have it may hear voices that aren't there. They may think other people are trying to hurt them. Sometimes they don't make sense when they talk. The disorder makes it hard for them to keep a job or take care of themselves. Symptoms of schizophrenia usually start between ages 16 and 30. Men often develop symptoms at a younger age than women. People usually do not…

Read more about Schizophrenia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Paraphrenic schizophrenia

Excludes1 — not coded here

  • involutional paranoid state (F22)
  • paranoia (F22)

Frequently asked questions

What is ICD-10 code F20.0?
F20.0 is the ICD-10-CM code for "Paranoid schizophrenia". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F20.0 a billable code?
Yes — F20.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from F20.0?
Excludes1 (not coded here): involutional paranoid state (F22); paranoia (F22).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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