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Mycobacterium tuberculosis Complex, PCR, Non-Respiratory
Test Code30277
CPT Codes
87556
Preferred Specimen
3 mL CSF or 10 mL urine collected in a sterile, leak-proof container
Minimum Volume
1 mL CSF • 5 mL urine • 5 mL gastric lavage • 2 mL pericardial fluid, peritoneal fluid, pleural fluid • 1 mL whole blood
Other Acceptable Specimens
10 mL gastric lavage • 5 mL pericardial fluid, peritoneal fluid, pleural fluid • 2 grams fresh (unfixed) tissue or tissue biopsy collected in a sterile leak-proof container • 3 mL whole blood collected in an EDTA (lavender-top), or ACD (yellow-top) tube
Instructions
Gastric lavage: Collect 10 mL (5 mL minimum) of an early morning specimen, before food or water intake, in a sterile container without preservative. Adjust to normal pH with 100 mg of sodium carbonate within 4 hours of collection, and mix thoroughly. Non-neutralized specimens are not acceptable. Separate specimens collected on 3 consecutive days are recommended.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 5 days
Frozen: 30 days
Refrigerated: 5 days
Frozen: 30 days
Methodology
Real-Time Polymerase Chain Reaction
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes. This test should not be used for diagnosis without confirmation by other medically established means.
Setup Schedule
Sun-Sat
Report Available
1 to 3 Day(s)
Clinical Significance
Used to aid the physician in the rapid diagnosis and treatment of a possible tuberculosis infection.
