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Test Code IRCP SARS-CoV-2 (COVID-19), Influenza A & B, and RSV by PCR (NAAT)

Infectious

Specimen and Container/Tube

Flocked NP swab, viral transport medium NP aspirate, viral transport medium Flocked nasal swab, liquid Amies medium

Specimen Handling and Transport Instructions

See UCMC collection instructions.

 

Reference Values

Negative for all targets

Critical Values

 

All positive  culture

 

 

 

 

All

Turnaround Time

Testing is performed 24 hours/day, 7 days a week.

Results typically available within 3 hours of receipt in the Microbiology Laboratory depending on test volume and season.

Turnaround time may change depending on test volume and season.

CPT Codes

300002410 --0241U

Collection Instructions

Offsite Collection Instructions

See on-site collection instructions above.

UCMC Collection Instructions

Specimen Source: Nasopharyngeal aspirate. 1 specimen/day
Specimen Collection: Kit consists of 0.9% NaCl flush syringe, 23g butterfly, and viral transport media.
1. Discard liquid from 0.9% NaCl syringe, leaving 1 mL in the syringe.
2. Measure length of butterfly tubing needed by holding next to nose with ends at top and bottom of nose.
3. Cut butterfly tubing, discard needle end in sharps container.
4. Attach tubing to the syringe.
5. Recline patient to a 45* angle; insert tubing.
6. Quickly instill the 1 mL of saline and then aspirate back into syringe.
7. Transfer aspirate into viral transport media (wash media in and out of syringe to instill maximum specimen).
8. Tightly close lid.

Specimen Transport: Ambient temperature if< 2 hr, transport refrigerated if >2 hrs from time of collection.

Specimen SourceFlocked nasopharyngeal swab; 1 specimen/day

Specimen Collection: Kit consists of flocked nasopharyngeal swab and viral transport media.

  1. Tilt the patient’s head back 70 degrees.
  2. Insert the flocked swab through the nostril parallel to the palate (not upwards) until resistance is encountered and the swab reaches a depth equal to the distance from the nostrils to the outer opening of the ear.
  3. Rotate the flocked swab 2-3 times and hold the swab in place for 5-10 seconds to ensure maximum absorbency.   Specimens can be collected from both sides using the same swab, but it is not necessary to collect specimens from both sides if the minitip is saturated with fluid from the first collection.
  4. Put the swab in the viral transport media and break the shaft at the designated breakpoint.
  5. Tightly close the lid.

Specimen Transport: Ambient temperature if< 2 hr, transport refrigerated if >2 hrs from time of collection.

Specimen Source: Flocked Nasal swab; 1 specimen/day

Specimen Collection: Kit consists of regular-sized flocked swab and liquid Amies transport media.

  1. Tilt the patient’s head back 70 degrees.
  2. Insert the flocked swab into the nasal passage until a slight resistance is met at the turbinates (about 2 cm into the nostril).
  3. Rotate the flocked swab 2-3 times and hold the swab in place for 5-10 seconds to ensure maximum absorbency.  Swab both nostrils with the same swab.
  4. Put the swab in the transport media and break the shaft at the designated breakpoint.
  5. Tightly close the lid

Specimen TransportAmbient temperature if< 2 hr, transport refrigerated if >2 hrs from time of collection.

Microbiology Specimen Collection Tables
Please see link  for Microbiology Specimen Collection Tables;

  • Category “Respiratory Upper”, Table 1 BACTERIOLOGY, CHLAMYDIA, MYCOLOGY, MYCOBACTERIOLOGY (AFB), VIROLOGY

Test Components

Detects SARS-CoV-2 (COVID-19), Influenza A, Influenza B, and Respiratory Syncytial Virus (RSV)

Methodology

PCR (NAAT) performed using the Xpert Xpress SARS-CoV-2/Inflluenza A&B/RSV assay tested on the Cepheid GeneXpert

Last Reviewed Date

08/16/2022