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HelpTest Code MTB M. Tuberculosis, NAAT
Additional Codes
LAB1357
Performing Laboratory
Central Peninsula Hospital
Collection Method
Sputum collection
Container
Sterile Container
Specimen Type
Raw sputum, unpreserved
Minimum Volume
1ml
Specimen Stability
| Ambient | 3 days |
| Refrigerated (4°C to 8°C) | 10 Days |
| Frozen(-70°C to 0°C) | Do not freeze |
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 labeled, 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 |
CPT Codes
87556
Last review/edit date
2025