ICD-10-CM F20.0 is the diagnosis code for Paranoid schizophrenia. This code falls under the section "Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as F20.0. They are mutually exclusive:
Understanding where F20.0 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F20.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F20.0 is the ICD-10-CM diagnosis code for "Paranoid schizophrenia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F20.0 is F20 ("Schizophrenia"). F20.0 provides a more specific classification within this category.
F20.0 is located in Section F20-F29 — "Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders" within Chapter 5 of the ICD-10-CM Tabular List.
Use F20.0 when the patients documented diagnosis matches "Paranoid schizophrenia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Paranoid schizophrenia is F20.0.
Yes, F20.0 can be used as a primary diagnosis code since it is billable and specific.
F20.0 is in Chapter 5 of the ICD-10-CM Tabular List.
Type 1 Excludes for F20.0 include: involutional paranoid state (F22); paranoia (F22).
Yes, F20.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.