ICD-10-CM Codes > F20-F29 > F29
Code Attributes
- Billable/Specific Code
Applicable To
- Psychosis NOS
- Unspecified schizophrenia spectrum and other psychotic disorder
Approximate Synonyms
- Psychosis in childbirth
- Psychosis in pregnancy
- Psychotic
- Psychotic disorder
Type 1 Excludes
- Mental disorder NOS (F99)
- Unspecified mental disorder due to known physiological condition (F09)
Codes
- F29 Unspecified psychosis not due to a substance or known physiological condition
ICD-10 Code F29 stands for "unspecified psychosis not due to a substance or known physiological condition." This code is part of the globally recognized International Classification of Diseases, Tenth Revision (ICD-10) system that healthcare providers use to categorize diagnoses. Mental health professionals may use F29 when working with patients who display psychotic symptoms that don't quite match the criteria for more specific psychotic disorders, and when there's no evidence linking the psychosis to substance use or an underlying physical health condition.
Getting these ICD-10 codes right isn't just about paperwork—it's fundamental to good clinical practice for several important reasons:
1. Accurate diagnosis and treatment planning
Correctly identifying and coding the diagnosis with ICD-10 codes like F29 ensures that the patient's condition is accurately documented. This facilitates appropriate treatment planning and monitoring of the patient's progress over time.
2. Billing and insurance claims
When billing insurance companies for provided mental health services, the correct ICD-10 code must be included on the insurance claim. This code justifies the necessity of the treatment provided. Incorrect or imprecise coding can lead to claim denials or delays, affecting both the provider's revenue and the patient's access to timely care.
3. Compliance and auditing
Using the right ICD-10 codes helps ensure compliance with both insurance requirements and healthcare regulations. Accurate coding is also critical if records are audited by insurance companies or regulatory bodies.
4. Stay updated
Regularly review updates to the ICD-10 codes, as these do change periodically. Professional organizations, coding workshops, and healthcare newsletters may provide resources to help practitioners stay informed about important changes that affect billing and coding.
5. Accurate clinical documentation
Check to make sure your clinical documentation thoroughly supports the diagnosis code selected. For a code like F29, clearly document the psychotic symptoms you observe and detail the assessment process that led to the conclusion that the condition is not due to a substance or known physiological condition.
6. Insurance verification
Before submitting claims, verify the patient's insurance benefits and understand what diagnoses their insurance plan covers. Some plans may have certain requirements or exclusions related to mental health diagnoses, potentially requiring authorization for treatment.
7. Training and resources
Invest time in specialized training on diagnostic coding and billing practices. Industry webinars, professional conferences, and peer consultation groups can provide valuable insights into navigating complex coding scenarios. When uncertain about a specific code application, consult with experienced colleagues or coding specialists.
- Sources
- "F29 - Unspecified psychosis not due to a substance or known physiological condition". National Cancer Institute EVS Explore. National Cancer Institute, n.d., https://evsexplore.semantics.cancer.gov/evsexplore/concept/icd10cm/F29. Accessed 27 Jan 2025.
- "Unspecified psychosis not due to a substance or known physiological condition". ICD10Data. ICD10Data, n.d., https://www.icd10data.com/ICD10CM/Codes/F01-F99/F20-F29/F29-/F29. Accessed 27 Jan 2025.
- "ICD-10 Code for Unspecified psychosis not due to a substance or known physiological condition- F29- Codify by AAPC". Codify By AAPC. American Academy of Professional Coders, n.d., https://www.aapc.com/codes/icd-10-codes/F29. Accessed 27 Jan 2025.