F23.9
Acute and transient psychotic disorder, unspecified
Coding guidance (WHO 2019)
Brief reactive psychosis NOS Reactive psychosis
Sibling codes
F23Acute and transient psychotic disordersF23.0Acute polymorphic psychotic disorder without symptoms of schizophreniaF23.1Acute polymorphic psychotic disorder with symptoms of schizophreniaF23.2Acute schizophrenia-like psychotic disorderF23.3Other acute predominantly delusional psychotic disordersF23.8Other acute and transient psychotic disorders