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Epic Code LAB3255 Flu A/B PCR (Influenza)

Important Note

  • Add-on Respiratory FilmArray (LAB3359) testing requires a nasopharyngeal swab collected in UTM.
  • Add-on COVID-19 PCR (LAB1230607) testing requires a nasopharyngeal or nares swab collected in UTM

Test Name Alias

Flu A/B PCR | Influenza A/B Antigen, PCR | 156 | Flu AB PCR | Flu PCR | INFLUENZA PCR | PCR FLU

Interface Order Alias


Icons & Photos

Viral Transport Media (UTM) Kit with Flocked Swab for Nares collection [ITM-1186125]

Viral Transport Media (UTM) Kit with Mini-Tip Swab for NP collection [ITM-1140078]



Specimen Requirements

Submit only one of the following specimens:


Specimen Type: Nares (Nostril)
Container/Tube: UTM Universal Transport Media (UTM) Kit with Flocked Swab [ITM1186125]


Specimen Type: Nasopharyngeal (NP)
Container/Tube: UTM Universal Transport Media (UTM) Kit with Mini-Swab [ITM1140078]

Collection Instructions:

  1. Tilt the head of the patient, gently insert the swab through one of the nostrils and into the nasal passage.
  2. Rotate the swab tip several times across the mucosal surface.
  3. Remove the swab and insert into the red top tube of viral transport medium (UTM) immediately.
  4. Push the swab into the tube and break the plastic shaft swab at the break line.
  5. Replace cap and screw on tightly.
  6. Label specimen with at least 2 patient identifiers (usually name and date of birth)

Specimen Transport Temperature

Refrigerate or on ice (UTM)

Specimen Stability

Room Temperature: 8 hours

Refrigerated 4°C : 72 hours

Laboratory Retention: 4 days


Test Frequency

Available 24 hours, usual TAT 4 hours

Reference Range

Negative for Influenza A, B

Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Corewell Health Big Rapids Laboratory (BR), Big Rapids, MI
Corewell Health Blodgett Laboratory (BL), Grand Rapids, MI
Corewell Health Gerber Laboratory (GM), Fremont, MI
Corewell Health Kelsey Laboratory (KL), Lakeview, MI

Corewell Health Ludington Laboratory (LH), Ludington, MI

Corewell Health Pennock Laboratory (PH), Hastings, MI
Corewell Health Reed City Laboratory (RC), Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Community Laboratory (ZH), Zeeland, MI


Polymerase Chain Rection (PCR)



CDM Code


Epic Test ID



Influenza A PCR: 34487-9

Influenza B PCR: 40982-1


Mayo Access Code


Additional Information

As of 10/3/2017, Nasopharyngeal wash/aspirate is no longer an acceptable specimen type.

Reviewed Date