Order Mnemonic:

TAPTT

Dept Name:

HEMATOLOGY

Collection Requirements:

If patient is on Heparin, call Coag Department at 583-6797 before drawing.
Must be a full draw.
Mix thoroughly immediately after collection.
Indicate if Streptokinase/Urokinase/TPA.
Must be delivered to lab within 1 hour of collection.

Transport:

Plasma, refrigerated.

Processing:

Mix tube thoroughly.
Centrifugefor 15 min at 3000 rpm.
Filter and seperate.

Stability After
Processing:

Whole blood:
Ambient: 2 hours
Refrigerated: 4 hours
Frozen: Unacceptable

Processed:
Ambient: 2 hours
Refrigerated: 4 hours
Frozen: Unacceptable

Minimum Testing
Volume:

1.0 mL

Unacceptable Conditions:

Hemolyzed, clotted, short draw, and serum specimens. Frozen whole blood or plasma.

Reference Range:

By report

Methodology:

Turbidimetric Clot Detection.
ACL Top

CPT Codes:

85730

Performed:

Sun-Sat

Reported:

Varies

NCD/LCD ABN Required:

Yes