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Clinical prediction rule · MC-086

4Ts score

Estimate pretest probability of heparin-induced thrombocytopenia

In development — calculation unavailable

This catalogue entry is not an approved clinical calculator. Its formula, interpretation and licensing have not been signed off. Do not use it to guide patient care.

Intended population or setting
Patients with thrombocytopenia or thrombosis after heparin exposure
Important cautions
Low inter-rater reliability without training; calculate before lab tests; missing data should not be scored optimistically
Specialities
Critical Care · Hematology · Internal Medicine · Surgery · Transfusion Medicine
Preferred source/version
ASH-endorsed 4Ts
Review status
Draft · Guideline verified

View catalogue source ↗Source links are provided for review; they are not necessarily hosted calculators.

When released, this tool will support but not replace professional clinical judgement. Check current local guidance and the original source before use.