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Bleeding Diathesis Screen

Important Note

Platelet Function Analysis (PFA) specimen cannot be transported via the pneumatic tube system. Call distribution at 5-6101 for transport.

eD-H Order Code

LAB3932

Specimen Transport Temperature

Double spin, separate, and freeze

Additional Specimen Instructions

2.7 mL Sodium Citrate tube filled to the line

AND

2.0 mL EDTA tube

 

Collect SIX 2.7 mL Blue top tubes and ONE 2.0 mL Lavender top tube

 

Send EDTA tube at room temperature < 24 hours old. (Refrigerated up to 36 hours).

 

Blue top tubes must be filled within 10% of the stated volume. A discard tube must be used if a citrate tube is to be drawn using a winged blood collection set. It is important to remove air from the blood collection set to ensure the proper blood volume is obtained in the coag tube.

 

Double spin, seperate, freeze plasma from coag (blue) tubes

 

 

Do not transport PFA specimen via the pneumatic tube system. Call distribution at 5-6101 for transport. Do not refrigerate, centrifuge, or rock samples.

 

 

If the patient has a known hematocrit >55%, please contact the coagulation lab for an adjusted collection tube before drawing the blood.

 

If sending a Bleeding Diathesis Screen from outside of the DH-H network please complete the top portion of the Bleeding Screen Worksheet and include it with the specimen. A link to the worksheet can be found under the Resources section on this page.

 

 

Additional Testing Information

Tests included are: PT, PTT, Fibrinogen, Thrombin Time, Factor VIII assay, von Willebrand Factor Activity, von Willebrand Factor Antigen, Complete Blood Count, and Platelet Function Analysis.

 

Results will be summarized in a pathologists interpretive report. Available in eD-H. Complete testing may take up to 10 days to complete, depending on the day of receipt.

 

PFA specimen must be collected onsite at DHMC

CPT(s)

85246 ; 85240 ; 85245 ; 85670 ; 85670 ; 85027 ; 85384 ; 85730 ; 85730 ; 85610 ; 85610 ; 85576 ; 85576 ; 85576 ;

Performing Lab Section

Hematology