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Test Code COVID Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) RNA Detection, PCR, Varies


Ordering Guidance


Due to the non-specific clinical presentation of COVID-19 during the early stages of illness, testing for other respiratory tract infections (eg, influenza) may be warranted.

 

For the most up-to-date COVID-19 epidemiology and testing recommendations, visit www.cdc.gov/coronavirus/2019-ncov/index.html



Shipping Instructions


Ship specimens refrigerated (if less than 72 hours from collection to arrive at MCL) or frozen (if greater or equal to 72 hours from collection to arrive at MCL).



Specimen Required


Specimen Type: Nasopharyngeal (NP), oropharyngeal (OP ie, throat), nasal mid-turbinate, or nares/nasal swab

Supplies:

-Swab, Sterile Polyester, 10 per package (T507)

-Dacron-tipped swab with plastic shaft is acceptable

Container/Tube: Universal transport media, viral transport media, or equivalent (eg, Copan UTM-RT, BD VTM, MicroTest M4, M4-RT, M5)

Media should not contain guanidine thiocyanate (GTC).

For more information on acceptable transport media, see www.fda.gov/medical-devices/emergency-situations-medical-devices/faqs-diagnostic-testing-sars-cov-2

Specimen Volume: Entire specimen with a minimum of 1.5 mL (maximum 3 mL) of transport media.

Collection Instructions:

1. Collect specimen by swabbing back and forth over nasal or pharyngeal mucosa surface to maximize recovery of cells.

2. NP and OP swab specimens may be combined at collection into a single vial of transport media but only one swab is required for analysis.

3. Swab must be placed into transport medium. Swab shaft should be broken or cut so that there is no obstruction to the sample or pressure on the media container cap.

4. Do not send in glass tubes, vacutainer tubes, or tubes with push caps.

5. Do not overfill with more than 3 mL total volume of media.

 

Specimen Type: Nasopharyngeal aspirate or nasal washings

Container/Tube: Sterile container

Specimen Volume: Minimum of 1.5 mL

Additional Information: Do not aliquot into viral transport media, glass tubes, vacutainer tubes, or tubes with push caps.

 

Specimen Type: Lower respiratory tract

Sources: Bronchoalveolar lavage (BAL) fluid, bronchial washings, endotracheal aspirate, sputum

Container/Tube: Sterile container

Specimen Volume: Minimum of 1.5 mL

Additional Information: Do not aliquot into viral transport media, glass tubes, vacutainer tubes, or tubes with push caps.


Useful For

Detection of COVID-19 illness due to SARS-CoV-2

 

Recommended only for patients who meet current clinical and/or epidemiologic criteria defined by federal, state, or local public health directives: www.cdc.gov/coronavirus/2019-ncov/index.html

Method Name

Real-Time Reverse Transcription Polymerase Chain Reaction (RT-PCR)

Reporting Name

SARS Coronavirus 2 PCR Detect, V

Specimen Type

Varies

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Frozen (preferred) 14 days
  Refrigerated  72 hours

Reference Values

Undetected

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has received Emergency Use Authorization (EUA) by the U.S. Food and Drug Administration and is modified from the manufacturer's instructions with a bridging study. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

U0003

U0005-(If applicable)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
COVID SARS Coronavirus 2 PCR Detect, V 94500-6

 

Result ID Test Result Name Result LOINC Value
608827 SARS-CoV-2 RNA by PCR 94500-6
CVDS SARS-CoV-2 Specimen Source 31208-2
CRACE Patient Race 72826-1
CETHN Patient Ethnicity 69490-1

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
TATCH TAT <=2 days additional charge No No

Testing Algorithm

In response to the new Centers for Medicare and Medicaid Services (CMS) payment strategy for COVID-19 diagnostic testing, a bill-only code will be added for orders that meet the new CMS turn-around-time requirement. For additional information refer to www.cms.gov/newsroom/press-releases/cms-changes-medicare-payment-support-faster-covid-19-diagnostic-testing.