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HelpCatalog ID Factor II Factor II
CPOE Test Name
Factor II Level
Synonyms
Prothrombin
Specimen Type
Plasma
Specimen Requirements
Light Blue Top (Sodium Citrate) tube; 2.7 mL blood
Storage and Transport
Room temperature. Transport to the lab immediately.
Special Instructions
Always allow blue top/citrate tubes to fill completely.
Causes for Rejection
Improper filling; hemolysis or clotted specimen; improper labelling; insufficient quantity; delay in transport
Reference Range
50 – 150%
Critical Values
< 3%
Turn Around Time
Batch testing
Performing Lab
Core Laboratory BI 2023 721-2120
Test Consists
Quantification of factor activity level
CPT/HCPCS Code
85210
CPT / HCPCS Code
85210