Factor XII Activity

Test Code

FAC12

Alias/See Also

Factor 12 Assay
FAC12
Performed at SQL, test code 3023

CPT Codes
85280

Instructions

If ordered ST or ES, call for STAT courier for AZ locations only 2.7 mL full light blue-top (3.2% Na citrate) tube. Centrifuge within 4 hours of collection following the double spin process to produce platelet poor plasma. REQUIRED - Aliquot platelet poor plasma into 2 separate transport vials: 1.0 mL into one vial and 0.5 mL into a second vial. Immediately freeze vials in upright position for transportation to SQL. If other coagulation tests are ordered, freeze a minimum of three plastic vials. Place in a specimen bag with a frozen label applied.

See link below for specimen details, methodology, setup schedule and reference ranges.

Report Available

Available in 2 days. Unless ordered STAT

Additional Information
Factor XII Activity

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.