SCORTEN (SJS/TEN Severity)

Predicts in-hospital mortality risk in Stevens-Johnson syndrome / toxic epidermal necrolysis from seven admission risk factors; assess on the first day of admission and use alongside, not in place of, clinical judgment.

Age 40 years or older (≥ 40)

Cancer or hematologic malignancy present

Heart rate 120 beats/min or higher (≥ 120)

Epidermal detachment 10% BSA or more on day 1 (≥ 10%)

Serum BUN > 28 mg/dL (urea > 10 mmol/L) — this is UREA/BUN, not creatinine

Serum bicarbonate < 20 mEq/L (< 20 mmol/L)

Serum glucose > 252 mg/dL (> 14 mmol/L)