Casandra
Casandra Test Code QD64873Version 1 (DRAFT)
Performing Lab
Mycobacterium tuberculosis Complex and Rifampin Resist, Culture/PCR, Sputum
Also known as: MTB complex, Xpert MTB/Rif, Tuberculosis, TB, Rifampin Resistance
Clinical Use
Order TestUse
Identification of Mycobacterium tuberculosis complex and detection of rifampin resistance. Culture and PCR are combined to ensure both organism recovery and molecular resistance detection to guide appropriate therapy.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
NGS
Biomarkers
2 components
Culture componentPCR component • PCR
LOINC Codes
Result Codes
- 38379-4 - M TB Cmplx DNA Spec Ql NAA+probe
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Sputum
Volume
10 mL preferred, 2 mL minimum
Minimum Volume
2 mL
Container
sterile, leak‑proof container
Collection Instructions
Expectorated sputum: instruct patient to gargle with water and cough deeply
Storage Instructions
Refrigerated transport
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 5 days |
Similar Tests
Other tests from different labs that may be relevant
Mycobacterium tuberculosis Complex Detection and Rifampin Resistance (PCR), Acid-fast Bacillus (AFB) Smear, and AFB Culture With Reflex to Identification and Susceptibility Testing (Sputum)
Labcorp
Mycobacterium tuberculosis Complex Detection and Rifampin Resistance (PCR), Acid-fast Bacillus (AFB) Smear, and AFB Culture (Sputum)
Labcorp
Mycobacterium tuberculosis Complex Detection and Rifampin Resistance, NAA With AFB Culture
Labcorp
Mycobacterium tuberculosis Complex, Molecular Detection and Rifampin Resistance, PCR, Sputum
Mayo Clinic Lab
Acid-fast (Mycobacteria) Smear and Culture With Reflex to Identification and Susceptibility Testing
Labcorp
Acid-fast (Mycobacteria) Smear and Culture With Reflex to Identification
Labcorp