Chromogenic Factor VIII Assay
Label Mnemonic: CH8
Epic Lab Code: LAB8465
Downtime Form: A-1a Miscellaneous Request
Hematology
6240 RCP
356-3527
Specimen(s):
Plasma
Collection Medium:
Light Blue top tube 2.7 mL (Na Citrate)
Minimum:
Full draw; 2.7 mL Light Blue top tube (Na Citrate).
Absolute Minimum: 0.5 mL citrate plasma.
Rejection Criteria:
Short drawn tube, clot, traumatic tap (excessive hemolysis).
Delivery Instructions:
Deliver to laboratory immediately after collection.
Turn Around Time:
24-36 hours upon receipt at laboratory
Comments:
For use in monitoring dosing for Factor VIII replacement with new long lasting products.
Methodology:
Activity detection by chromogenic substrate.
CPT Code:
85130