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Back to Test Catalogue
Test ID: AT3ACT

Antithrombin III Activity, Plasma

Test Overview

Method

Chromogenic Assay

Result Included

Anti-Thrombin III Activity

Specimen

Specimen Type

Plasma (Citrate)

Volume

Sample Volume

1 mL

Specimen Comment

Heparin plasma is unsuitable for analysis.

Patient Preparation

Patient should not be on anticoagulant therapy.

Collection & Handling

Handling Information

Separate and freeze immediately. Store and send frozen.

Rejection Criteria

Criteria Specification
Specimen Plasma(Heparin) or not frozen

Performance & Interpretation

Turnaround Time

7 days

Results

Name
Units
Reference Range
Conversion
  1. Antithrombin III Activity
    U/mL
    0 - 3 m: 0.30 - 1.20
    ≥3 m: 0.80 - 1.40

Referral Location

Canada

Test Version

Last Updated

2020-05-19