Billable / Specific Code
ICD-10-CM F29 is the diagnosis code for Unspecified psychosis not due to a substance or known physiological condition. 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 F29. They are mutually exclusive:
Understanding where F29 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F29 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F29 is the ICD-10-CM diagnosis code for "Unspecified psychosis not due to a substance or known physiological condition". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
F29 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 F29 when the patients documented diagnosis matches "Unspecified psychosis not due to a substance or known physiological condition" 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 Unspecified psychosis not due to a substance or known physiological condition is F29.
Yes, F29 can be used as a primary diagnosis code since it is billable and specific.
F29 is in Chapter 5 of the ICD-10-CM Tabular List.
Type 1 Excludes for F29 include: mental disorder NOS (F99); unspecified mental disorder due to known physiological condition (F09).
Yes, F29 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.