MDCalc

Severity-of-Illness Score for Toxic Epidermal Necrolysis (SCORTEN)

Estimates mortality risk in patients with Stevens-Johnson syndrome (SJS) and/or toxic epidermal necrolysis (TEN).

The tool supports both the original SCORTEN and the revised Re-SCORTEN model.

  • Red cell distribution width (RDW) and hemoglobin (Hb) are optional inputs.
  • If both RDW and Hb are provided, the tool reports a Re-SCORTEN score.
  • If either is omitted, the output defaults to the original SCORTEN.

Age, years

Heart rate, per min

Cancer/hematologic malignancy

BSA detached

Serum urea level

Serum bicarbonate level

Serum glucose level

%

Result:

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Advice
  • Interpret results in the context of local outcomes and evolving supportive care standards.
  • Higher scores correlate with higher mortality risk.
  • Results may inform discussions about prognosis and guide decisions on level of care (e.g., ICU admission, transfer to burn unit) and resource allocation.
  • Evidence for direct impact on management decisions is limited; apply clinical judgment.
Critical Actions

A low score should not preclude standard, appropriate treatment SJS/TEN care.

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