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HelpTest Code M TB M. Tuberculosis, NAAT
Additional Codes
LAB1357
Collection Method
Sputum collection
Minimum Volume
1ml
Container
Sterile Container
Acceptable Specimens
Raw sputum, unpreserved
Reference or Target Ranges
Not Detected
Reportable Units
Detected and Not Detected
Critical Value
Detected result
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Other | QNS, contaminated, improperly labled, improper specimen type |
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 |
Specimen Stability
| Ambient | 3 days |
| Refrigerated (4°C to 8°C) | 10 Days |
| Frozen(-70°C to 0°C) | Do not freeze |
CPT Codes
87556
Last review/edit date
March 2024