Wells score for DVT

Clinical probability score for deep vein thrombosis.

Last reviewed January 6, 2026

Active cancer

NoYes

Paralysis or immobilization of lower extremity

NoYes

Recently bedridden or major surgery

NoYes

Localized tenderness along deep veins

NoYes

Entire leg swelling

NoYes

Calf swelling >= 3 cm

NoYes

Pitting edema confined to symptomatic leg

NoYes

Collateral superficial veins

NoYes

Alternative diagnosis as likely as DVT

NoYes (-2)

0 of 9 answered

Result

–

Enter values to see the result.

A free reference for the everyday work of Canadian family medicine. Built for clinicians and residents, with no account to create.

Supports clinical judgment. Does not replace it.