F20.9
BillableSchizophrenia, unspecified
Schizophrenia, unspecified
Coding Notes
Includes
Conditions included under this code
- disorders of psychological development
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, to identify:
- •other specified cognitive deficitR41.84
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(70)
SNOMED CT
- Subchronic schizophrenia16990005
- Schizophrenia58214004
- Schizophrenic disorders191526005
- Late onset schizophrenia416340002
- Early onset schizophrenia1204417003
- COS - childhood-onset schizophrenia1335862003
- Childhood-onset schizophrenia1335862003
- VEOS - very early-onset schizophrenia1335862003
- Very early-onset schizophrenia1335862003
UMLS
- Dementia PraecoxC0036341
- Dementia praecoxC0036341
- Disorder, SchizophrenicC0036341
- Disorders, SchizophrenicC0036341
- SCHIZOPHRENIAC0036341
- SCHIZOPHRENIC DISC0036341
- SCZDC0036341
- SchizophreniaC0036341
- Schizophrenia (disorder)C0036341
- Schizophrenia NOSC0036341
- Schizophrenia, unspecifiedC0036341
- SchizophreniasC0036341
- Schizophrenic DisorderC0036341
- Schizophrenic DisordersC0036341
- Schizophrenic disordersC0036341
- Schizophrenic disorders (disorder)C0036341
- Unspecified schizophreniaC0036341
- Unspecified schizophrenia, unspecified stateC0036341
- dementia praecoxC0036341
- disorder schizophreniaC0036341
- disorder schizophrenicC0036341
- disorders schizophreniaC0036341
- disorders schizophrenicC0036341
- disorders schizophrenicsC0036341
- schizophreniaC0036341
- schizophrenia disorderC0036341
- schizophrenia typeC0036341
- schizophrenia typesC0036341
- schizophreniasC0036341
- schizophrenic disorderC0036341
- schizophrenic disordersC0036341
- type schizophreniaC0036341
Clinical Terms
- type schizophrenia
- Childhood-onset schizophrenia
- Schizophrenic Disorders
- Dementia Praecox
- Disorders, Schizophrenic
- Unspecified schizophrenia, unspecified state
- Early onset schizophrenia
- disorder schizophrenic
- disorders schizophrenics
- Schizophrenia (disorder)
- disorders schizophrenic
- schizophrenia types
- Schizophrenia NOS
- Schizophrenic disorders (disorder)
- disorders schizophrenia
- schizophrenia type
- VEOS - very early-onset schizophrenia
- schizophrenias
- Very early-onset schizophrenia
- Schizophrenic Disorder
- disorder schizophrenia
- SCHIZOPHRENIC DIS
- SCZD
- COS - childhood-onset schizophrenia
- schizophrenia disorder
- Late onset schizophrenia
- Subchronic schizophrenia
- Disorder, Schizophrenic
- Unspecified schizophrenia
Frequently Asked Questions
What is the ICD-10 code for schizophrenia, unspecified?
The ICD-10-CM code for schizophrenia, unspecified is F20.9. The full clinical description is "Schizophrenia, unspecified". F20.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code F20.9 mean?
ICD-10-CM code F20.9 represents “Schizophrenia, unspecified”. It is classified under Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders and is a billable/specific code that can be used on a claim.
Is F20.9 a billable code?
Yes, F20.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is F20.9 in?
F20.9 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).
What codes cannot be used with F20.9?
F20.9 has Excludes1 notes indicating codes that cannot be used together with it, including: brief psychotic disorder (F23); cyclic schizophrenia (F25.0); mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3); and 2 more.
Are additional codes required with F20.9?
Yes, when using F20.9, also report: code, if applicable, to identify:; other specified cognitive deficit (R41.84-).
What SNOMED CT codes does F20.9 map to?
F20.9 maps to 6 SNOMED CT concepts: 1335862003, 1204417003, 416340002, 58214004, 191526005, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for F20.9?
F20.9 is linked to 1 UMLS Concept Unique Identifier: C0036341. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does F20.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like schizophrenia, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of F20.9?
F20.9 maps to the ICD-11 code: 6A20.Z (Schizophrenia, episode unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.