Test Code HPCOV Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV-2), Molecular Detection, Varies
Ordering Guidance
Due to the non-specific clinical presentation of COVID-19 during the early stages of the illness, testing for other respiratory infections (eg, influenza) may be warranted.
Specimen Required
Preferred:
Specimen Type: Nasopharyngeal swab
Container/Tube: Sterile container with viral transport media
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 mucosa surface to maximize recovery of cells.
2. Swab must be placed into viral transport media (eg, M4-RT, M4 or M5), saline, or phosphate buffered saline (PBS). Media should not contain guanidine thiocyanate (GTC).
Specimen Type: Bronchoalveolar lavage fluid
Container/Tube: Sterile container
Specimen Volume: 0.6 mL
Additional Information: Do not aliquot into viral transport media.
Acceptable:
Specimen Type: Oropharyngeal (throat) swab, nasal mid-turbinate, or nares/nasal swab
Supplies:
-Culturette (BBL Culture Swab) (T092)
-Mid Turbinate (MT) Swab (FLOQSwab/COPAN) (T864)
-Swab, Sterile Polyester (T507)
Container/Tube: Sterile container with transport media
Specimen Volume: Entire specimen with a minimum of 1.5 mL (maximum 3 mL) of transport media.
Preferred: BBL Culture Swab, COPAN Mid-turbinate Swab
Acceptable: Dacron-tipped swab with plastic handle
Collection Instructions: Swab must be placed into viral transport media (eg, M4-RT, M4, or M5), saline, or PBS. Media should not contain guanidine thiocyanate (GTC).
Specimen Type: Bronchial washings, endotracheal aspirate, sputum
Container/Tube: Sterile container
Specimen Volume: 0.6 mL
Additional Information: Do not aliquot into viral transport media.
Specimen Type
VariesSpecimen Minimum Volume
Upper respiratory tract swab: See Specimen Required; lower respiratory specimens: 0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Varies | Frozen (preferred) | 14 days | |
Refrigerated | 72 hours |
Reject Due To
Bloody specimen Calcium alginate-tipped swab Wooden shaft swab Dry swab Glass transport media tubes Transport swab containing gel or charcoal additive Sample tubes containing guanidine isothiocyanate, guanidine thiocyanate, or guanidine hydrochloride |
Reject |
Reference Values
Undetected
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysSpecimen Retention Time
4 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
87635