Influenza Virus A and B DFA with Reflex to Influenza Virus A and B Rapid Culture
Ordering Recommendation
Not recommended for inpatients or immunocompromised individuals. Acceptable test for the detection of influenza in outpatients.
Mnemonic
Methodology
Direct Fluorescent Antibody Stain/Cell Culture
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
Specimen Required
Respiratory specimen: Bronchoalveolar lavage (BAL), nasopharyngeal (aspirate, swab, or washing), or tracheal aspirate.
Do not freeze.
Fluid: Transfer 3 mL specimen to a sterile container. (Min: 0.5 mL) Also acceptable: Transfer to 3 mL 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 3 mL viral transport media (ARUP Supply #12884) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Refrigerated.
Calcium alginate, eSwab, dry or wood swabs. Slides.
Specimen source preferred.
Ambient: 1 hour; Refrigerated: 72 hours; Frozen: Unacceptable
Reference Interval
Negative
Interpretive Data
FDA
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."
Hotline History
CPT Codes
87276; 87275; if reflexed, add 87254
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0060306 | Influenza A-DFA | 5863-6 |
0060307 | Influenza B-DFA | 5867-7 |
0060337 | Flufac Source | 31208-2 |
Aliases
- Flu Test
- Influenza Antigen Test
- Influenza by DFA
- Influenza Virus Type A & B Antigen, DFA