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Test Code LAB20477 Influenza A/B PCR (COVLAB ROCHE-Routine)

Department

Immunology

Collection Requirements

Nasopharyngeal or Nares (Nasal) swab in Viral Transport Media.

Nasopharyngeal:
From symptomatic individuals suspected of respiratory viral infection consistent with COVID-19 and/or Influenzae A/B.
1. Clear excess nasal secretions from nostril with larger swab from kit or blow nose if only small nasopharyngeal swab available.
2. Insert smaller swab into nostril, gently rotating the swab inward until resistance is met at the level of the turbinate’s (distant from nostril to external opening of the ear).
3. Rotate the swab a few times against the nasopharyngeal wall to extract epithelial cells.
4. Withdraw swab and place in container with transport medium.
5. Break off end of swab to enable cap to cover and secure in place.

Nares (Nasal):
From symptomatic individuals suspected of respiratory viral infection consistent with COVID-19 and/or Influenzae A/B.
1. Insert larger nasal swab into one of the anterior nares.
2. Rotate swab against the nasal mucosa for about 3 seconds and withdraw.
3. Repeat with the other anterior nares using the same swab.
4. Place swab into viral transport media.
5. Break off end of swab to enable cap to cover and secure in place.

Primary Collection Container

Viral Transport UTM

Transport

Refrigerated

If delivery and/or processing of samples exceeds specified time periods (72 hours), specimens should be transported in dry ice and once in laboratory frozen at -70°C or colder.

Preferred Transport Temperature

Refrigerated

Processing

Swab must be individually packaged. One swab collection per biohazard bag.

Stability

72 hours

Reference Range

Negative

Methodology

PCR (RT-PCR)

Performed

Sunday – Saturday

Reported

As completed

Unacceptable Conditions

Do not collect two swabs, avoid excessive mucus, dry swabs or swabs not received in viral transport medica will not be tested.

Minimum Testing Volume

0.6 mL