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Test Code INFB Influenza B Antigen

Methodology

Chromatographic immunoassay

Specimen Type

Nasopharyngeal (NP) swab or Nasopharyngeal wash or aspirate

Collection Volume

1 NP Swab; 3-5 mL wash or aspirate

Minimum Collection Volume

1 NP Swab; 1 mL for wash or aspirate

Collection Instructions

Nasopharyngeal specimens must be collected with ESwab mini-tip (Blue cap). Reference Influenza-Nasopharyngeal Collection to the left under Patient Collection Information.. Please Note: ProMedica Laboratories draw sites do not collect nasopharyngeal specimens for Influenza. Specimens must be properly labelled with the patient's name, specimen type, hospital identification number if known, time and date of collection, and initials of person collecting specimen.

Rejection Criteria

Swab other than nasopharyngeal (NP); Swab collected in other than Eswab (Blue cap) Mini-tip; Swabs collected in M4RT; Specimens that have not been refrigerated; Specimens >72 hours old; Incomplete requisition; Unlabelled specimen

Specimen Storage and Stability

Specimen should be refrigerated if not sent to the lab within 2 hours. Stable 72 hours at 2-8 C.

Turn Around Time

Stat – 1 hour

Lab Department

Microbiology

Alias

Flu B Virus Antigen; Influenza B Antigen;

Ordering Info

NOTE: Specimen collected in an M4RT is no longer acceptable.

EPIC Code

LAB2607

Acceptable Collection Container

ESwab mini-tip collection device (Blue Cap). Sterile container for wash or aspirate.

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours