Name: HAS-BLED Score — Bleeding Risk, Anticoagulation | NeuroWiki
Published: 2025-09-01

Risk factors

Hypertension (SBP >160 mmHg)

1 pt

Abnormal renal functionDialysis, transplant, or Cr >2.26 mg/dL

1 pt

Abnormal liver functionCirrhosis or bilirubin >2× or AST/ALT/AP >3×

1 pt

Stroke history

1 pt

Prior major bleeding or predisposition

1 pt

Elderly (>65 years)

1 pt

Drugs (antiplatelet or NSAIDs)

1 pt

Alcohol (≥8 drinks/week)

1 pt

Warfarin / labile INR

Add 1 point only when the patient is on warfarin and has labile INR (e.g. TTR <60%). Not applicable for DOAC-only.