ICD-10-CM · Chapter 5
F20..3 Undifferentiated schizophrenia
Includes
- Atypical schizophrenia
Excludes 1 (cannot be coded together)
- acute schizophrenia-like psychotic disorder (F23)
Excludes 2 (not included here)
- post-schizophrenic depression (F32.89)
Last reviewed: September 2026