ICD-10-CM Code F21
Billable CodeBillable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Mental Health CodeIndicates that the ICD code is referenced in DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, Version 5)
F21 is a billable ICD code used to specify a diagnosis of schizotypal disorder. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code F21 is used to code Psychosis
Psychosis refers to an abnormal condition of the mind described as involving a "loss of contact with reality". People with psychosis are described as psychotic. People experiencing psychosis may exhibit some personality changes and thought disorder. Depending on its severity, this may be accompanied by unusual or bizarre behavior, as well as difficulty with social interaction and impairment in carrying out daily life activities.
|MeSH Codes:||, , , , , , , , , , D012569|
|ICD 9 Codes:||290, 291, 292, 293, 294, 296.5, 296, 297, 298, 299, 301.22|
Coding Notes for F21 Info for medical coders on how to properly use this ICD-10 code
Inclusion TermsInclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
- Borderline schizophrenia
- Latent schizophrenia
- Latent schizophrenic reaction
- Prepsychotic schizophrenia
- Prodromal schizophrenia
- Pseudoneurotic schizophrenia
- Pseudopsychopathic schizophrenia
- Schizotypal personality disorder
Code Type-2 Excludes:
Type-2 ExcludesType-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here."
- Asperger's syndrome - instead, use code F84.5
- Schizoid personality disorder - instead, use code F60.1
- DRG Group #883 - Disorders of personality and impulse control.
ICD-10-CM Alphabetical Index References for 'F21 - Schizotypal disorder'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code F21. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 301.22 was previously used, F21 is the appropriate modern ICD10 code.