Specimen:

Plasma

Minimum:

Full draw; two 2.7 ml blue top

Testing
Schedule:

0800-1630 Monday through Friday.

Analytic Time:

24 hours (upon receipt in laboratory)

Reference Range:

Negative
Quantitates inhibitors up to 10 B.U.

Methodology:

Optical clot detection.

Sample
Processing:

Centrifuge within two hours of draw time.
Aliquot serum/plasma into plastic container and cap (glass is not 
acceptable).
Centrifuge a second time at 3500 RPM for 10 minutes and aliquot into a 
new, labeled plastic tube.

Sample
Storage:

Freeze specimen immediately.

Transport
Instructions:

Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in styrofoam container.

CPT Code:

Computer                           CPT
  Code            Name             Code
  IN2      Factor II Inhibitor     85335
  IN5      Factor V Inhibitor      85335
  IN7      Factor VII Inhibitor    85335
  IN8      Factor VIII Inhibitor   85335
  IN9      Factor IX Inhibitor     85335
  IN10     Factor X Inhibitor      85335
  IN11     Factor XI Inhibitor     85335
  IN12     Factor XII Inhibitor    85335

See Additional Information:
Phlebotomy Tubes and Order of Draw