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Factor VIII Inhibitor (Bethesda Titer) *

SIM

21350 

CPT

85335 

Synonyms

 

Specimen Type

Sodium Citrate Plasma 

Container

Two tubes – 4.5 mL Sodium Citrate 3.2% Blue-top tube

Collection Instructions

Separate PLasma from the cells within 45 minutes of collection.

Volume

4 ml plasma 
Min: 2.0 mL per Factor Inhibitor 
2 tubes --2mL plasma each 

Additional Information

•  This test is for Factor 8 only.  If another Factor is requested must order Lab Corp Misc and specify which Factor Inhibitor(Bethesda Titer) 

Patient Preparation

Specimen Processing Instructions

 Once in the lab,centrifuge at 3380 rpm’s (±100) for 5 minutes

Freeze Plasma in Plastic Tubes

Transport Requirements

Frozen

Specimen Stability

 

Rejection Criteria

•  Clotted Sample 
•  Insufficient volume 
•  Hemolyzed Plasma

Reference Range

Reference range accompanies report

Critical Value

 

Test Includes

Factor VIII activity and Factor VIII Bethesda Titer 

Methodology

 Clot

Testing Frequency

Lab Corp Refers test to Esoterix Coagulation 

LCA

500697 

Reviewed By

Lisa McBride

Reviewed Date

2/19/2018

Supplemental

* Denotes Reference Lab Test

Reviewed by Lisa McBride on February 19, 2018

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