🧮 Clinical calculator · Respiratory and sleep
CRB65 score in community-acquired pneumonia
Grades 30 day mortality risk in community-acquired pneumonia. NICE NG250 uses it alongside your own judgement to inform where someone is treated. Also written CRB-65.
Free to use, no account needed. Result: CRB65 score. Last reviewed 29 Jul 2026.
The calculator runs in your browser on this page. If it has not appeared, reload the page with JavaScript enabled.
Before you rely on the result: NICE NG250 notes the score can be affected by comorbidities or pregnancy, so it does not apply straightforwardly in pregnancy, and it does not apply to children or young people. It does not decide where a person is looked after.
Related Ocean Article: Community-Acquired Pneumonia (CAP).
Further reading: Cough · Chronic Obstructive Pulmonary Disease (COPD).
Part of the GPAtlas clinical calculators, each result explained, built by practising UK GPs.