Influenza Type B Antibody (BFLU)

Test Code

LAB2316

Quest Code

4440

Alias/See Also

BFLU

CPT Codes
86710

Preferred Specimen

1 mL serum in gold top tube

Minimum Volume

0.5 mL

Other Acceptable Specimens

Plain red top tube

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic • Grossly icteric

Methodology
Complement Fixation (CF)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Monday-friday

Report Available

7 days

Reference Range

<1:8 titer

Interpretive Criteria

<1:8	Antibody Not Detected
≥1:8	Antibody Detected

Clinical Significance

Influenza A and B viruses cause seasonal outbreaks of "the flu." Each winter, approximately 10-20% of the population are infected. Both Type A and B are included in the flu vaccine.

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

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.