F20.81 ICD-10-CM Code: Schizophreniform disorder
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
F20.81Schizophreniform disorder
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where F20.81 sits
- 1
Chapter 5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- 2
Section
Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
- 3
Category F20
Schizophrenia
- 4
Subcategory F20.8
Other schizophrenia
- 5
Code F20.81
Schizophreniform disorder
Documentation details
Notes for this code
Inclusion terms
- Schizophreniform psychosis NOS
Code first
No “code first” instruction is listed for F20.81.
Use additional code
No “use additional code” instruction is listed for F20.81.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for F20.81.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for F20.81.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code F20.81 mean?
F20.81 is the FY 2027 U.S. ICD-10-CM code for “Schizophreniform disorder.”
Is F20.81 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, F20.81 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is F20.81 located in ICD-10-CM?
F20.81 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29) (F20–F29), under category F20, Schizophrenia and subcategory F20.8, Other schizophrenia.
What coding notes are listed for F20.81?
Its listed inclusion terms are Schizophreniform psychosis NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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