2024 ICD-10-CM Diagnosis Code F29

Unspecified psychosis not due to a substance or known physiological condition

ICD-10-CM Code:
F29
ICD-10 Code for:
Unsp psychosis not due to a substance or known physiol cond
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

Code Classification

  • Mental and behavioural disorders
    (F01–F99)
    • Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders
      (F20-F29)
      • Unspecified psychosis not due to a substance or known physiological condition
        (F29)

F29 is a billable diagnosis code used to specify a medical diagnosis of unspecified psychosis not due to a substance or known physiological condition. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Unspecified diagnosis codes like F29 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Atypical psychosis
  • Cognitive impairment co-occurrent and due to primary psychotic disorder
  • High level of psychoticism
  • Level of psychoticism - finding
  • Mental disorder in mother complicating childbirth
  • Mental disorder in mother complicating pregnancy
  • Mental disorders during pregnancy, childbirth and the puerperium
  • Negative symptoms co-occurrent and due to primary psychotic disorder
  • Negativism
  • Non-organic psychosis
  • Positive symptoms co-occurrent and due to primary psychotic disorder
  • Psychiatric sign or symptom
  • Psychiatric sign or symptom
  • Psychomotor symptom co-occurrent and due to psychotic disorder
  • Psychotic disorder
  • Psychotic disorder in mother complicating childbirth
  • Psychotic disorder in mother complicating pregnancy
  • Psychotic disorder with insight present
  • Psychotic symptom finding
  • Psychotic symptom finding
  • Psychotic symptom present

Clinical Classification

Clinical Information

  • Negativism

    state of mind or behavior characterized by extreme skepticism and persistent opposition or resistance to outside suggestions or advice. (apa, thesaurus of psychological index terms, 1994)

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Psychosis NOS
  • Unspecified schizophrenia spectrum and other psychotic disorder

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • mental disorder NOS F99
  • unspecified mental disorder due to known physiological condition F09

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Convert F29 to ICD-9-CM

  • ICD-9-CM Code: 298.9 - Psychosis NOS
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Psychotic Disorders

Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations. Delusions are false beliefs, such as thinking that someone is plotting against you or that the TV is sending you secret messages. Hallucinations are false perceptions, such as hearing, seeing, or feeling something that is not there.

Schizophrenia is one type of psychotic disorder. People with bipolar disorder may also have psychotic symptoms. Other problems that can cause psychosis include alcohol and some drugs, brain tumors, brain infections, and stroke.

Treatment depends on the cause of the psychosis. It might involve drugs to control symptoms and talk therapy. Hospitalization is an option for serious cases where a person might be dangerous to himself or others.


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.