APTT Mixing Study
SoftLab Order Code
APTMX
Epic Order Name
APTT MIXING STUDY
Epic Order ID
LAB326
Laboratory
Raleigh
Sample Type
Plasma
Collection Container
Blue Top (Sodium Citrate - Light blue)
Collecting Volume
One full light blue top tube
Minimum Collecting Volume
One full light blue top tube
Storage or Stability
Ambient - 6 hours
Frozen - Plasma stable 3 months
Stability may vary if additional studies are ordered on the same sample. The test with the shortest stability should be considered when evaluating storage/stability for testing
Frozen - Plasma stable 3 months
Stability may vary if additional studies are ordered on the same sample. The test with the shortest stability should be considered when evaluating storage/stability for testing
Causes for Rejection
Clotted, wrong tube type, grossly hemolyzed, over or underfilled collection tube
Instructions
Freeze plasma if testing cannot be completed within ambient stability period
Availability
Tues, Thurs, performed on 1st shift
EXCEPTION: ECMO patient testing performed 24 hours / 7 days
CPT Codes
85732