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

Methodology

Immunofixation/Electrophoresis
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Reference Range

Not detected
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Performing Laboratory

Quest
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New York DOH Approval Status

Yes
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