ICD-11 code : 6B40;
Preferred Label : Post traumatic stress disorder;
ICD-11 definition : Post traumatic stress disorder (PTSD) may develop following exposure to an extremely
threatening or horrific event or series of events. It is characterised by all of the
following: 1) re-experiencing the traumatic event or events in the present in the
form of vivid intrusive memories, flashbacks, or nightmares. Re-experiencing may occur
via one or multiple sensory modalities and is typically accompanied by strong or overwhelming
emotions, particularly fear or horror, and strong physical sensations; 2) avoidance
of thoughts and memories of the event or events, or avoidance of activities, situations,
or people reminiscent of the event(s); and 3) persistent perceptions of heightened
current threat, for example as indicated by hypervigilance or an enhanced startle
reaction to stimuli such as unexpected noises. The symptoms persist for at least several
weeks and cause significant impairment in personal, family, social, educational, occupational
or other important areas of functioning.;
ICD-11 synonym : complex PTSD; PTSD - [post traumatic stress disorder]; Traumatic neurosis;
ICD-11 acronym : PTSD;
ICD-11 inclusion : combat neurosis; battered person syndrome; rape trauma syndrome; Traumatic neurosis;
Origin ID : 2070699808;
UMLS CUI : C0038436;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
ICD-10 Mapping
Semantic type(s)
UMLS correspondences (same concept)
Post traumatic stress disorder (PTSD) may develop following exposure to an extremely
threatening or horrific event or series of events. It is characterised by all of the
following: 1) re-experiencing the traumatic event or events in the present in the
form of vivid intrusive memories, flashbacks, or nightmares. Re-experiencing may occur
via one or multiple sensory modalities and is typically accompanied by strong or overwhelming
emotions, particularly fear or horror, and strong physical sensations; 2) avoidance
of thoughts and memories of the event or events, or avoidance of activities, situations,
or people reminiscent of the event(s); and 3) persistent perceptions of heightened
current threat, for example as indicated by hypervigilance or an enhanced startle
reaction to stimuli such as unexpected noises. The symptoms persist for at least several
weeks and cause significant impairment in personal, family, social, educational, occupational
or other important areas of functioning.