F20.3

Billable

Undifferentiated schizophrenia

Undifferentiated schizophrenia

Status

Billable / Specific

Block

F20-F29

Parent Code

F20

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Atypical schizophrenia

Includes

Conditions included under this code

  • disorders of psychological development

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • 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)
  • schizoaffective disorder (F25.-)
  • schizophrenic reaction NOS (F23)
  • acute schizophrenia-like psychotic disorder (F23)

Excludes 2

Conditions not included here, but the patient may have both

  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
  • schizophrenic reaction in:
  • alcoholism (F10.15-, F10.25-, F10.95-)
  • brain disease (F06.2)
  • epilepsy (F06.2)
  • psychoactive drug use (F11-F19 with .15. .25, .95)
  • schizotypal disorder (F21)
  • post-schizophrenic depression (F32.89)

Use Additional Code

Additional codes that should follow this code

  • code, if applicable, to identify:
  • other specified cognitive deficit (R41.84-)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code F20.3?

ICD-10-CM code F20.3 represents "Undifferentiated schizophrenia". It is a billable/specific code that can be used on a claim.

Is F20.3 a billable code?

Yes, F20.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is F20.3 in?

F20.3 is in Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (codes F01-F99).

What codes cannot be used with F20.3?

F20.3 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 3 more.

Are additional codes required with F20.3?

Yes, when using F20.3 you should also code: code, if applicable, to identify:; other specified cognitive deficit (R41.84-).

What SNOMED CT codes does F20.3 map to?

F20.3 maps to 8 SNOMED CT concepts: 111484002, 29599000, 79204003, 4926007, 111482003, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for F20.3?

F20.3 is linked to 1 UMLS Concept Unique Identifier: C0392322. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.