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Test Code RIST Ristocetin Cofactor Assay, Plasma

Specimen Volume

3.0 mL

Preferred Specimen

Blue (BLU) Citrate

Specimen Handling Instructions

Specimen must arrive in lab within 4 hours of collection, OR centrifuge, place plasma in plastic vial and freeze. 

Transport

Deliver to lab immediately

Cutoff Time

8 am-3pm Mon-Fri

Department

Hematology

Methodology

Agglutination

Stat Turn-around Time

4 Hours

Routine Turn-around Time

N/A

Reference Ranges

See Report