Coag Factor V Assay (MAYO)

Test Code
1230401554


Alias/See Also
LAB9151: Coag Factor V Assay | MAYO EAP: FACTV


CPT Codes
85220x1

Preferred Specimen
MAYO LAB: LT BLUE TOP-CITRATE (Frozen) Min Vol: 1


Instructions
Adult : 6 - 2.7 mL Na Citrate tubes (light blue tubes) AND 6 mL in ACD tube (Pale yellow tube) ***Pediatric minimum : 4 - 2.7 mL Na Citrate tubes (light blue tubes) and 3 mL in ACD (Pale yellow tube)***


Transport Temperature
WHOLE BLOOD AND PLASMA ARE REQUIRED Specimen #1: Specimen Type: Whole blood Container/Tube: Preferred: Yellow top (ACD); Acceptable: EDTA, sodium citrate Specimen Volume: 6 mL Collection Instructions: 1. Invert several times to mix blood. 2. Do not transfer blood to other containers. 3. Label specimen as whole blood. Whole blood may be stored and transported at Room Temperature OR Frozen Specimen #2: Specimen Type: Platelet-poor plasma Collection Container/Tube: Light-blue top (citrate) Submission Container/Tube: Plastic vials Specimen Volume: 6 mL in 6 plastic vials each containing 1 mL Collection Instructions: 1. Specimen must be drawn prior to factor replacement therapy. 2. Spin down, remove plasma, and spin plasma again. 3. Freeze specimens immediately at < or =-40 degrees C, if possible. 4. Label specimens as plasma. 5. Send specimens in the same shipping container. Additional Information: 1. Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results. 2. Patient should not be receiving Coumadin or heparin. 3. If priority specimen, mark request form, give reason, and request a call-back.


Report Available
MAYO LAB
STAT: 14400 min
Routine: 14400 min
Extended TAT: No TAT min
Timed: 14400 min
Life or Death: 14400 min



Last Updated: March 6, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.