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    Trauma · 20 items · 0–80 · Weathers FW, Litz BT, Keane TM, et al. (2013). National Center for PTSD.

    PTSD Checklist for DSM-5: Scoring, Cutoffs & Interpretation

    Twenty-item self-report measure of DSM-5 post-traumatic stress symptoms.

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    PCL-50 / 20

    Over the past month, how often have you been bothered by…

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    01Repeated, disturbing, and unwanted memories of the stressful experience?
    02Repeated, disturbing dreams of the stressful experience?
    03Suddenly feeling or acting as if the stressful experience were actually happening again?
    04Feeling very upset when something reminded you of the stressful experience?
    05Having strong physical reactions when something reminded you of the stressful experience (for example, heart pounding, trouble breathing, sweating)?
    06Avoiding memories, thoughts, or feelings related to the stressful experience?
    07Avoiding external reminders of the stressful experience (for example, people, places, conversations, activities, objects, or situations)?
    08Trouble remembering important parts of the stressful experience?
    09Having strong negative beliefs about yourself, other people, or the world?
    10Blaming yourself or someone else for the stressful experience or what happened after it?
    11Having strong negative feelings such as fear, horror, anger, guilt, or shame?
    12Loss of interest in activities that you used to enjoy?
    13Feeling distant or cut off from other people?
    14Trouble experiencing positive feelings (for example, being unable to feel happiness or have loving feelings for people close to you)?
    15Irritable behaviour, angry outbursts, or acting aggressively?
    16Taking too many risks or doing things that could cause you harm?
    17Being super-alert, watchful, or on guard?
    18Feeling jumpy or easily startled?
    19Having difficulty concentrating?
    20Trouble falling or staying asleep?
    0 of 200 / 80

    02 - The clinician's brief

    01 - What it measures

    What this scale measures.

    The PCL-5 measures the severity of post-traumatic stress symptoms over the past month, mapped directly onto the 20 DSM-5 symptoms of PTSD. The items cover the four DSM-5 clusters: intrusion (items 1-5), avoidance (items 6-7), negative alterations in cognitions and mood (items 8-14), and alterations in arousal and reactivity (items 15-20). Respondents rate how much each symptom bothered them on a 0-4 scale, giving a total of 0-80.

    Because the items track the diagnostic criteria one-to-one, the PCL-5 does three jobs: quantifying overall symptom burden, monitoring change during treatment, and generating a provisional PTSD diagnosis. It is anchored to a specific stressful experience, so it should be administered with reference to an index event - the version paired with the Life Events Checklist (LEC-5) and a Criterion A assessment is preferred at intake.

    02 - Origin & purpose

    Where it comes from.

    Weathers, Litz, Keane and colleagues at the US National Center for PTSD published the PCL-5 in 2013, revising the DSM-IV-era PCL to match the restructured DSM-5 criteria - notably the new negative-cognitions-and-mood cluster and three new symptoms. Blevins and colleagues published the initial validation in 2015 across two trauma-exposed college samples, confirming a four-factor structure, strong internal consistency (α = .94) and test-retest reliability of .82. Bovin and colleagues validated it against the CAPS-5 clinical interview in veterans in 2016, establishing the provisional diagnostic cutoff range of 31-33. The scale is in the public domain and free to use for clinical and research purposes.

    03 - Scoring & cutoffs

    How scoring works.

    Each item is rated 0 (not at all) to 4 (extremely) for the past month, and the total is the sum of all 20 items (0-80). A total of 31-33 or higher indicates probable PTSD; 33 is the most commonly used provisional cutoff, and any positive screen should be confirmed with a structured interview such as the CAPS-5. Cluster scores can be computed by summing within each DSM-5 cluster (B: 1-5, C: 6-7, D: 8-14, E: 15-20). A provisional DSM-5 diagnosis can also be made by treating each item rated 2 or higher as an endorsed symptom and requiring at least one B item, one C item, two D items and two E items.

    Score
    Severity
    Interpretation
    0–32
    Below threshold
    Below the provisional cutoff of 33.
    33–49
    Probable PTSD
    At or above the provisional cutoff of 33. Probable PTSD; confirm with a structured interview such as the CAPS-5.
    50–80
    High symptom burden
    High symptom burden. Structured diagnostic assessment is strongly recommended.

    04 - Validation evidence

    How well it performs.

    Against the CAPS-5 clinical interview, cutoffs of 31-33 have shown the best balance of sensitivity and specificity in veteran samples, and similar ranges have replicated in civilian, refugee and treatment-seeking samples. Internal consistency is consistently high (α ≈ .94) and test-retest reliability around .82 over short intervals. The four-factor DSM-5 structure is well supported. The measure is sensitive to change with treatment: a decrease of 5-10 points is generally treated as reliable change, and 10-20 points as clinically significant improvement.

    0.94
    CRONBACH'S α
    0.82
    TEST-RETEST
    31-33
    PROVISIONAL CUTOFF
    5-10 pts
    RELIABLE CHANGE

    05 - How it compares

    How it compares to the alternatives.

    Instrument
    Items
    Time
    When to reach for it
    PCL-5
    20
    ~5-7 min
    The default DSM-5 PTSD severity measure and monitoring tool. Free, self-report, maps 1:1 to criteria.
    PC-PTSD-5
    5
    ~1 min
    Ultra-brief yes/no screen for primary care; step up to PCL-5 if positive (≥3).
    CAPS-5
    30
    45-60 min
    Gold-standard clinician interview. Required to confirm diagnosis; PCL-5 cannot replace it.
    IES-R
    22
    ~5 min
    Older DSM-IV-era measure; still common in research but not aligned to DSM-5 criteria.
    CTQ
    28
    ~5 min
    Retrospective childhood trauma exposure - measures history, not current PTSD symptoms.

    06 - When to use it

    Right tool, wrong tool.

    Use the PCL-5 to quantify PTSD symptom severity and monitor change over time. Because it maps directly to DSM-5 criteria it doubles as a provisional diagnostic aid, but it should always be paired with a clinical interview before a diagnosis is confirmed.

    Reach for it when

    • -Quantifying PTSD symptom severity after a positive PC-PTSD-5 screen.
    • -Monitoring treatment response every 2-4 weeks during trauma-focused therapy.
    • -Screening in trauma-exposed populations (veterans, refugees, first responders).
    • -Research where CAPS-5 administration is impractical.

    Reach for something else when

    • -You need a confirmed diagnosis - use the CAPS-5 clinical interview.
    • -The patient is under 18 - use the CPSS-5 or UCLA PTSD Reaction Index.
    • -You are assessing childhood trauma exposure history - use the CTQ.
    • -No index event can be identified - PCL-5 scores without Criterion A are hard to interpret.

    07 - Confidence & precision

    Reading the score with care.

    A single PCL-5 score is an estimate, not a fixed value. Small between-visit fluctuations of a few points sit within measurement noise; the National Center for PTSD treats 5-10 points as the threshold for reliable change and 10-20 points as clinically meaningful improvement. Scores are inflated by non-specific distress, so high scores in patients with prominent depression or panic should be interpreted alongside the clinical picture.

    08 - Limitations

    What it cannot tell you.

    The PCL-5 is a severity and screening measure, not a diagnostic instrument; provisional diagnoses need CAPS-5 or clinical-interview confirmation. Self-report is vulnerable to over- and under-reporting, particularly in compensation-seeking or forensic contexts. Several items overlap with depression and anxiety symptoms, so comorbidity inflates scores. It is not validated for children and adolescents under 18, and the past-month window makes it insensitive to symptoms that fluctuate over longer cycles.

    Common questions from clinicians

    FAQ

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