Activated Partial Thromboplastin Time


Test Information

Test Name

Activated Partial Thromboplastin Time

Synonyms

APTT; IV Heparin Monitoring

Department

Haematology

Preferred Specimen

Citrate

Testing Location

All

Turn Around Time

1 day

Clinical Update

View Clinical Update

Collection Information

Patient Requestable

Yes

Delivery and Handling

Must reach lab within 7 hours of collection, collect close to courier time if necessary For Hospital inpatients on IV heparin - Must be tested within 2 hours of collection


Processing Information

Registration Code

APTT

Part of Group

Coagulation Screen

Notes

  • Must be tested within 8 hours of collection

Methodology

Sample Storage

Ambient

Sample Stability

8 hours

Interpretations

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