Home
HelpTest Code COVID Coronavirus (COVID-19), NAAT
Additional Codes
LAB23057
Collection Method
Varies
Minimum Volume
1mL of specimen in Universal Transport Media
Container
Universal Viral Transport Media
Preferred Specimen
Nasopharyngeal (NP) Swab
Acceptable Specimens
- Nares swab in 3-mL VTM or UTM
- NP or Nares swab in 3-mL Saline
- NP or Nares swab in 2-mL eNAT medium
Reference or Target Ranges
Negative
Reportable Units
Positive or Negative
Critical Value
Positive result
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Interfering Subtances/Other | Specimens not submitted in Viral Transport Media, QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | 48 Hours |
| Refrigerated (4°C to 8°C) | 7 Days |
| Frozen(-70°C to 0°C) | Do not freeze |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Microbiology |
| Methodology/Method Description | Cepheid GeneXpert |
CPT Codes
87635
Last review/edit date
March 2024