Sign in →

Test Code LAB304 FACTOR 5 ASSAY

Important Note

This test does NOT assess for Factor V Leiden.  For Activated Protein C Resistance V (APCRV), Plasma, order LAB846.  For Factor V Leiden (R5056Q) Mutation, Blood, order LAB3651.

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB304 FA5 FAH245 3193-0

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Factor V 12301000115 FA5 FAH245 3193-0

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Blue Top Tube Plasma Frozen To fill line 2 mL plasma 1 mL plasma 6 months
Blue Top Tube Whole Blood Ambient To fill line To fill line To fill line 4 hours

Refer to Coagulation Specimen Handling before collecting. Submit 2 × 0.5 mL frozen plasma aliquots for this test. 

  • Draw blood in light blue top tube(s). Whole blood should remain at ambient temperature until processed. Submit frozen plasma if not received in the lab within 4 hours. Spin down, remove plasma, spin plasma again, and place citrate platelet-poor plasma in required number of plastic vials (glass vials cannot be accepted.)  Freeze specimen at less than or equal to minus 40° C, if possible. Send specimen frozen on dry ice. 

 


Test Schedule / Analytical Time / Test Priority

Monday – Friday / 1 day / Available STAT, nights and weekends with pathologist approval

Method

Photo Optical Clot Detection

CPT(s)

Description CPT Code
Factor 5 Assay                                  85220

 

Instrumentation

ACL TOP

Reference Range

Age Reference Range Units
0 up to 1 day 34 - 108 %
1 day up to 5 days 45 - 145 %
5 days up to 1 month 62 - 134 %
1 month up to 3 months 45 - 132 %
3 months up to 6 months 55 - 127 %
6 months up to 1 year 63 - 135 %
1 year up to Unspecified 62 - 139 %

 

Section

Coagulation

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes