Influenza DFA

Infectious Disease Laboratories:Virology

Test ID/Workstation: FLUFA VIR1

Specimen Type: Nasal Washings, or 2 FLOCKED NPH swabs

Tube Type: Specimen container

Collection Volume: 1.5 mL wash or aspirate in sterile container plus 0.5 mL wash or aspirate in viral transport medium (M4) OR Flocked NPH swabs: send one swab in culturette and one swab broken off into viral transport medium (M4).

Cause for rejection: Specimen dry, non sterile container or incorrect swab (do not use NPH wire swab), QNS, or no portion of specimen in M4 medium for back-up Respiratory Virus Isolation.

Storage: Refrigerated

Availability: Daily (0800-1700)

Methodology: DFA

Special Instructions: Specimens in M4 must be sent on ice ASAP to lab. Specimens MUST contain respiratory epithelial cells. Respiratory Virus Isolation is performed if rapid is negative or contains insufficient respiratory cells for direct stain. A negative result does not rule out viral infection. Positive results will be called.

OC Power Word: LFLUFA

Lab/Phone: 330-543-8576

TAT: 24 hours

Additional Info: Reference Range: Negative for Influenza A and Influenza B virus

CPT Code: 87275, 87276

Synonyms: Influenza DFA

Specimen Collection Procedures
Respiratory Specimen Collection

Requisition Form
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