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Lab Test Dictionary
Mycobacterium Tuberculosis Complex PCR, Non-Respiratory (**PCR ONLY**) (30277)
Methodology
Real-Time Polymerase Chain Reaction (RT-PCR)
Synonyms
MTB; AFB; Acid Fast Bacili; Mycobacteria; Mycobacterial; MTB; TB
Specimen Type
See Collection Instructions
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01290
Lab Test Days
Daily
Standard TAT
1-3 Days
Collection Information
Specimen Required
1-3 mL CSF or 5-10 mL Urine
Container Type
Sterile Container
Collection Instructions
5-10 mL gastric lavage/aspirate collect an early morning specimen, before food or water intake, in a sterile leak-proof container. Separate specimens collected on 3 consecutive days are recommended ; 2-5 mL pericardial fluid, peritoneal fluid, pleural fluid collected in a sterile leak-proof container; 2 grams fresh (unfixed) tissue collected in a sterile leak-proof container; or 1-3 mL whole blood collected in an EDTA (lavender-top) or ACD (yellow-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 5 Days; Frozen: 30 Days
Rejection Criteria
Un-neutralized gastric lavage/aspirate; Stool
Processing Instructions
Gastric lavage/aspirate: Must be neutralized (pH 6.5-7.5) with sodium bicarbonate within 4 hours of collection. Non-neutralized specimens are not acceptable. Separate specimens collected on 3 consecutive days are recommended. Indicate source in comments, on specimen and on batch sheet.
CPT Codes
87556
Revised
09-27-22