Laboratory Fee Schedule
Procedure #: MCN0312A
| Synonym(s): | COVID-19,flu, influenza surveillance |
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| Requisition Form | G-2V |
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| Test Description | Testing of samples for the detection and differentiation of SARS-CoV-2, Influenza A virus, and/or Influenza B virus nucleic acid in upper and lower respiratory specimens from individuals with viral respiratory infection symptoms/signs that are consistent with COVID-19. |
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| Pre-Approval Needed | N/A |
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| Supplemental Information Required | N/A |
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| Supplemental Form(s) | N/A |
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| Performed on Specimens from (sources) | Human |
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| Sample/Specimen Type for Testing | Preferred Specimen: Alternative Specimens: - Oropharyngeal (throat) swabs
- Nasal swabs
- Sputum
- Lower respiratory tract aspirates
- Bronchoalveolar lavage
- Nasopharyngeal wash/aspirate
- Nasal aspirate
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| Minimum Volume/Size Required | 2 mL–3 mL |
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| Storage/Preservation Prior to Shipping | - Store at 2°C–8°C for up to 72 hours.
- Store frozen, at -70°C or below if storing for longer than 72 hours.
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| Transport Medium | - Universal transport media (UTM)
- Viral transport media (VTM)
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| Specimen Labeling | - At least two patient-specific identifiers required on specimen (e.g., patient full name, date of birth, medical record number).
- Three patient identifiers are preferred.
- Patient identifiers on specimen label must exactly match identifiers on submission form (e.g., abbreviated name on label and full name on form is not acceptable.)
- Additional DSHS Laboratory specimen labeling guidelines available online here.
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| Shipping and Specimen Handling Requirements | - Refrigerate at 2°C–8°C and ship overnight on frozen gel packs if specimens are expected to arrive at the Lab within 72 hours of collection.
- Freeze at -70°C and ship overnight on dry ice if specimens are expected to arrive at the Lab more than 72 hours after collection.
- Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.
- Handling as infectious agent using universal precautions.
- Triple-contain in accordance with federal shipping regulations.
- Submitters are responsible for packaging and shipping specimens according to regulatory requirements.
- Additional DSHS Laboratory specimen shipping guidelines online here.
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| Method | Real-Time RT-PCR |
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| Turn-around Time | 2 business days |
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| Interferences/Limitations | - False negative may result if specimen is improperly collected, transported, or handled.
- Detection of viral RNA does not imply that the corresponding virus is infectious or is the causative agent for clinical symptoms.
- A negative result does not preclude infection.
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| Common Causes for Rejection | - Information on the submission form and specimen label do not match.
- Failure to put at least two unique patient identifiers on specimen label.
- Incorrect storage conditions.
- Specimen received at 2°C–8°C more than 72 hours after collection.
- Specimen received ambient.
- Specimen leaked in transit.
- Submission of incorrect specimen type.
- Expired reagents/media/collection container.
- Missing/incomplete/illegible submission form.
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| Additional Information | - Please mark the Influenza Surveillance {Influenza PCR} and COVID-19 (SARS-CoV-2) PCR boxes on the G-2V submission form.
- Note: By checking the Influenza Surveillance or COVID-19 PCR test request box, submitters authorize the DSHS Laboratory to test for Flu and/or COVID as resources allow.
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