ARUP's Laboratory Test Directory

Influenza Virus A & B DFA with Reflex to Influenza Virus A & B Rapid Culture : 0060284

Mnemonic: FLUFAC

Ordering Recommendation: Not recommended for inpatients or immunocompromised individuals. Acceptable test for the detection of influenza in outpatients.
Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Respiratory specimen: Bronchoalveolar lavage (BAL),nasopharyngeal aspirate, swab, or washing, or tracheal aspirate.

Specimen Preparation: Do not freeze.
Fluid:
Transfer specimen to a sterile container. Also acceptable: Transfer to viral transport media (ARUP Supply #12884). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Swab
: Place in viral transport media.
Place each specimen in a separate, individually sealed bag.


Storage/Transport Temperature: Refrigerated.

Remarks: Specimen source preferred.

Unacceptable Conditions: Calcium alginate, dry, or wood swabs. Slides.

Stability (collection to initiation of testing): Ambient: 1 hour; Refrigerated: 72 hours; Frozen: Unacceptable

Reference Interval:
Negative
Note: If DFA is negative or inadequate, then an influenza culture (0060286) will be added. Additional charges apply.

Sensitivity of DFA methodology is dependent upon adequacy of the specimen.  If specimen contains fewer than 20 cells, then the DFA result will be reported as "inadequate." 
CPT Code(s): 87276 Influenza A, FA; 87275 Influenza B, FA; if reflexed, add 87254 Rapid culture