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PSI / PORT Pneumonia Severity Index Calculator

Total points → risk class I-V; classes IV-V usually warrant admission.

Compute the Pneumonia Severity Index (PSI / PORT score) for community-acquired pneumonia from age (men: age; women: age − 10), nursing-home status, comorbidities, vital-sign and laboratory abnormalities. Class I-III low risk (outpatient), IV-V high risk (admission).

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Total points = age_score + Σ comorbid + Σ exam + Σ lab points.

In depth

Compute the Pneumonia Severity Index (PSI / PORT score) for community-acquired pneumonia from age (men: age; women: age − 10), nursing-home status, comorbidities, vital-sign and laboratory abnormalities. Class I-III low risk (outpatient), IV-V high risk (admission).