PTSD is still officially called post-traumatic stress disorder. The name has not changed in either of the two major diagnostic systems used worldwide. What has changed is where it’s classified, how it’s understood, and what related diagnoses now exist alongside it. There’s also a growing movement to rename it “post-traumatic stress injury,” though no medical authority has made that switch.
The Official Name and Its New Category
In the DSM-5, published in 2013, and its updated text revision (DSM-5-TR) released in March 2022, the condition is still called post-traumatic stress disorder. The diagnostic criteria for adults didn’t change between those two editions. What did change in 2013 was significant: PTSD was pulled out of the “Anxiety Disorders” category, where it had lived for decades, and placed into a brand-new chapter called “Trauma- and Stressor-Related Disorders.”
That reclassification reflected a shift in how clinicians think about PTSD. Rather than viewing it primarily as an anxiety problem, the new grouping emphasizes that the condition is rooted in exposure to a traumatic or stressful event. It shares its new category with conditions like acute stress disorder and adjustment disorders. The name stayed the same, but the framing around it changed in a meaningful way.
Why Some People Call It PTSI
A vocal campaign, centered around the advocacy site ItsPTSI.com, wants medical and government bodies to replace the word “disorder” with “injury.” The argument is straightforward: brain imaging studies using fMRI and PET scans show measurable physical changes after trauma, including reduced volume in the hippocampus (the brain’s memory center), structural changes in the amygdala (which processes fear), and alterations in the prefrontal cortex (which handles decision-making and impulse control). Advocates say that if the damage is physical, calling it an injury is more accurate and less stigmatizing than calling it a disorder.
There’s survey data backing the stigma argument. A 2023 survey published in the Cureus Academic Journal collected responses from over 1,000 people connected to a mental health clinic in Chicago. Two-thirds of respondents believed that changing the name from PTSD to PTSI would reduce stigma. More than half said they’d feel more comfortable seeking help if the name changed. For many veterans and first responders in particular, “disorder” implies something is fundamentally wrong with them, while “injury” suggests something happened to them that can heal.
No major medical organization has officially adopted “PTSI” as a diagnosis. The DSM-5-TR and the World Health Organization’s ICD-11 both retain “disorder” in the name. So if you see PTSI used in conversation, on social media, or by advocacy groups, it’s a preferred term in certain communities rather than a clinical one.
Complex PTSD Is Now a Separate Diagnosis
One of the biggest recent changes isn’t about renaming PTSD but about recognizing a distinct condition alongside it. The ICD-11, the diagnostic system used by the World Health Organization (adopted internationally in 2022), established complex PTSD as its own diagnosis, separate from standard PTSD.
Complex PTSD includes all the core symptoms of regular PTSD, plus an additional layer called “disturbances in self-organization.” These fall into three domains:
- Emotional regulation: extreme emotional reactivity, self-destructive behavior, or episodes of dissociation (feeling disconnected from yourself or your surroundings)
- Self-concept: a persistent sense of being worthless or defeated, or deep guilt and shame about the trauma, such as believing “I should have left”
- Relationships: serious, ongoing difficulty maintaining close emotional connections with others
Complex PTSD is more commonly linked to early, repeated interpersonal trauma, like childhood abuse or prolonged domestic violence, and tends to cause more significant impairment in daily life than standard PTSD. That said, the ICD-11 doesn’t require a specific type of trauma for the diagnosis. Prolonged, repeated trauma is a risk factor, not a requirement. The DSM-5-TR does not include complex PTSD as a separate diagnosis, which means whether you can receive this label depends partly on which diagnostic system your clinician uses.
How the Name Has Evolved Over a Century
If you’re curious about the history behind the question, the condition we now call PTSD has been renamed repeatedly as understanding has grown. During World War I, it was called “shell shock,” because symptoms were thought to result from the physical impact of artillery explosions. “War neuroses” was also used during that period. By World War II, the preferred term had shifted to “combat stress reaction” or “battle fatigue.”
The first formal psychiatric recognition came in 1952, when the original DSM included “gross stress reaction” as a diagnosis for otherwise healthy people showing symptoms after combat or disaster. That diagnosis was dropped entirely in the 1968 edition, replaced by the far more limited “adjustment reaction to adult life,” which failed to capture the severity of what trauma survivors experienced. It wasn’t until 1980, driven by research with Vietnam War veterans, Holocaust survivors, and sexual trauma victims, that the term “post-traumatic stress disorder” entered the DSM-III. It’s remained PTSD ever since.
What PTSD Looks Like Today
An estimated 3.6% of U.S. adults have PTSD in any given year, and about 6.8% will experience it at some point in their lives. When the DSM-5 reclassified PTSD, it also reorganized the symptoms into four clusters rather than the previous three. A person needs symptoms from each cluster to meet the diagnostic threshold.
The first cluster involves intrusion: unwanted memories, flashbacks, or nightmares that pull you back into the traumatic event. The second is avoidance, meaning you actively steer clear of reminders, whether that’s places, people, conversations, or even your own thoughts about what happened. The third cluster covers negative changes in thinking and mood, like persistent guilt, emotional numbness, loss of interest in things you used to enjoy, or distorted beliefs about yourself or the world. The fourth is changes in arousal and reactivity: being easily startled, feeling constantly on edge, having angry outbursts, or struggling to sleep or concentrate.
This four-cluster model, separating avoidance from the mood and thought changes that were previously grouped together, gives clinicians a more precise picture of how trauma affects someone. It also reinforces why PTSD was moved out of the anxiety category. The condition involves far more than fear and worry. It reshapes how people think about themselves, relate to others, and move through daily life.