F20
Schizophrenia
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
F20code
Excludes1
- brief psychotic disorder (F23)F23F23F23
- cyclic schizophrenia (F25.0)F25.0F25.0F25.0
- mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)F30.2F30.2F30.2F31.2F31.2F31.2F31.5F31.5F31.5F31.64F31.64F31.64F32.3F32.3F32.3F33.3F33.3F33.3
- schizoaffective disorder (F25.-)F25.-F25.-F25.-
- schizophrenic reaction NOS (F23)F23F23F23
Excludes2
- schizophrenic reaction in:
- alcoholism (F10.15-, F10.25-, F10.95-)F10.15-F10.15-F10.15-F10.25-F10.25-F10.25-F10.95-F10.95-F10.95-
- brain disease (F06.2)F06.2F06.2F06.2
- epilepsy (F06.2)F06.2F06.2F06.2
- psychoactive drug use (F11-F19 with .15. .25, .95)F11-F19F11-F19F11-F19
- schizotypal disorder (F21)F21F21F21
F01-F99chapter
Excludes2
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 7
Medications 3
93 Schizophrenia drugs 2 Schizophrenia, Paranoid drugs 122 Schizophrenia Spectrum and Other Psychotic Disorders drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.