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Prolonged Activated Partial Thromboplastin Time (aPTT)

Order Code
117796
CPT
85240, 85250, 85270, 85280, 85613, 85732
Test Details
Synonyms

Intrinsic Factors

TAT

7 days

Methodology

See individual tests.

Remarks

Test Includes: Factor VIII, factor IX, factor XI, factor XII, lupus anticoagulant with reflex

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Extended clotting time test. Investigates bleeding disorders or anticoagulant therapy.

Specimen Type

Plasma

Volume

3 mL

Specimen Container

Blue top (sodium citrate) tube

Patient Preparation

Avoid warfarin (Coumadin(R)) therapy for 2 weeks and heparin therapy for 2 days prior to the test

Collection

Citrated Plasma samples should be collected by double centrifugation

Specimen Stability
Temperature Period
Frozen Contact Technical Support
Order Code
117796
CPT
85240, 85250, 85270, 85280, 85613, 85732
Test Details
Synonyms

Intrinsic Factors

TAT

7 days

Methodology

See individual tests.

Remarks

Test Includes: Factor VIII, factor IX, factor XI, factor XII, lupus anticoagulant with reflex

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Extended clotting time test. Investigates bleeding disorders or anticoagulant therapy.

Specimen Type

Plasma

Volume

3 mL

Specimen Container

Blue top (sodium citrate) tube

Patient Preparation

Avoid warfarin (Coumadin(R)) therapy for 2 weeks and heparin therapy for 2 days prior to the test

Collection

Citrated Plasma samples should be collected by double centrifugation

Specimen Stability
Temperature Period
Frozen Contact Technical Support