Catalog ID Factor V Factor V
CPOE Test Name
Factor V Level
Synonyms
Labile Factor
Specimen Type
Plasma
Specimen Requirements
Light Blue Top (Sodium Citrate) tube; 2.7 mL blood
Causes for Rejection
Tube improperly filled; specimen clotted or hemolyzed; improper labeling; insufficient quantity; delay in transport
Turn Around Time
Batch testing
CPT / HCPCS Code
85220
Performing Lab
Core Laboratory BI 2023 721-2120
Critical Values
< 3%
Storage and Transport
Room temperature. Transport to the lab immediately.
Special Instructions
Always allow blue top/citrate tubes to fill completely.
Reference Range
50 – 150%
Test Consists
Quantification of factor activity level
CPT/HCPCS Code
85220
EPIC Orderable Procedure
LAB304