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🫁 CRB-65 Score (Pneumonia, Community)

Assess community-acquired pneumonia severity without labs using CRB-65.

CRB-65 Score (Pneumonia, Community)

Confusion (new)
Respiratory rate ≥ 30
SBP < 90 or DBP ≤ 60
Age ≥ 65

When to use

Primary-care/community triage of pneumonia.

How it works

1 point each: Confusion, RR ≥ 30, low BP, Age ≥ 65. 0 low, 1–2 intermediate, 3–4 high.

Key points

  • No blood tests required (unlike CURB-65).
  • Score 0 may allow home treatment.
  • Combine with oxygen saturation and judgement.

References

Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.

Other tools

🫁 CURB-65🫁 A–a gradient🚬 Pack-years🫁 P/F ratio

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