Test Details
Mnemonic
FCERR
Ordering Code
3512500
CPT-4 Code(s)
86352
Specimen Information
Patient Preparation
After consulting with their physician, patients taking calcineurin inhibitors should stop their medication for 72 hours prior to draw. Patients taking prednisone should stop their medication for 2 weeks prior to draw.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum room temperature in a screw-capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.15 mL
Transport Temperature
Room temperature
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 14 days
Refrigerated: 7 days
Frozen: 14 days
Methodology
Cell Culture and Histamine analysis
Reference Range
<10
Performing Laboratory
Viracor Eurofins
New York DOH Approval Status
Yes