Clinical tools
Calculators and classification aids for venous disease, for GPs, nurses and specialists. They run in your browser: nothing you enter is stored or sent.
- CEAP 2020 classifierBuild a basic or advanced CEAP code from clinical signs, aetiology, anatomy and pathophysiology, with photographs of each clinical class.
- Revised VCSS calculatorVenous Clinical Severity Score for each leg (0 to 30), for baseline documentation and follow-up.
- Wells score for DVTTwo-level Wells score with the NICE NG158 next steps.
- Caprini VTE risk scoreCaprini (2005) risk assessment for surgical patients, with the ACCP 2012 risk groups.
- ABPI guide and calculatorHow to measure the ankle–brachial pressure index with a hand-held Doppler, and what the result means for compression.
Using these tools
They are decision support for health professionals and do not replace clinical judgement or local protocols. Each tool lists the sources it follows. Use “Copy for notes” to paste the result into your clinical record or referral letter.
Referral criteria, practice numbers and contact details are on the For doctors page.