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Lab Test Dictionary
Mycobacterium tuberculosis Complex and Rifampin Resistance, PCR, Sputum (94577)
Methodology
Real-Time Polymerase Chain Reaction
Synonyms
MTB; TB; AFB; Acid Fast Bacili; Mycobacteria; Mycobacterial
Specimen Type
See Collection Instructions
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB09474
Lab Test Days
Monday-Saturday
Standard TAT
1 Day
Collection Information
Specimen Required
2-5 mL Sputum
Container Type
Sterile Container
Collection Instructions
Expectorated sputum: Instruct patient to gargle with water and cough deeply.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-Only
Specimen Stability
Room Temp=Unacceptable; Refrigerated=5 Days; Frozen=Unacceptable
Rejection Criteria
Specimen received in formalin and/or alcohol; 24-hour pooled sputum; Samples with obvious food particles or solid particulate; Processed/concentrated sputum specimen from client • Frozen specimen
Test Volume Required
5 mL Sputum
Minimum Test Volume
2 mL Sputum
CPT Codes
87801
Revised
09-27-22