Test Details
Mnemonic
B2T
Ordering Code
1002990
CPT-4 Code(s)
86335
Specimen Information
Collect
Nasal, eye or ear fluid
Specimen Preparation
Send 0.5 mL nasal, eye or ear fluid refrigerated in a screw capped plastic vial. Specimens contaminated with salivary fluid degrade the beta-2 transferrin. These specimens should be frozen immediately following collection and should be kept frozen until testing is performed.
Alternate Specimen
Cotton swab soaked with drainage fluid submitted in a sterile, screw capped plastic vial.
Minimum Volume
0.2 mL
Transport Temperature
Room temperature
Rejection Criteria
Specimens collected with additives, specimens collected with a culture swab.
Stability
Room temperature: 15 days
Refrigerated: 15 days
Frozen: 60 days
Refrigerated: 15 days
Frozen: 60 days
Methodology
Immunofixation/Electrophoresis
Reference Range
Not detected
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes