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SIRS, Sepsis, and Septic Shock Criteria

Defines the severity of sepsis and septic shock.

February 2016: These criteria are no longer recommended for the diagnosis of sepsis, as they are neither sufficiently sensitive nor specific. For the latest on sepsis, visit our qSOFA Score or the Sepsis-3 Consensus Definitions.

 

For patients under 18, please use the Pediatric SIRS, Sepsis, and Septic Shock Criteria.

SIRS Criteria (≥ 2 meets SIRS definition)
Sepsis Criteria (SIRS + Source of Infection)
Severe Sepsis Criteria (Organ Dysfunction, Hypotension, or Hypoperfusion)
Septic Shock Criteria
Multiple Organ Dysfunction Syndrome Criteria

Calculations must be re-checked and should not be used alone to guide patient care nor should they substitute for clinical judgement. See our full disclaimer.