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Test Code MTBPCR MTB PCR with Rifampin Resistance Phenotype

Important Note

This test will be performed as a reflex test on the initial respiratory specimen (sputum, bronchial wash or bronchoalveolar lavage) that is AFB smear positive.

 

This test may not be ordered as a stand-alone test.  This order must be accompanied by an AFDS (AFB Culture and Stain) order.

Infectious

Additional Codes

YRMC Care - LAB5914

Performing Laboratory

YRMC Microbiology

Day(s) Test Set Up

Sunday through Saturday during Microbiology hours of operation.

Specimen Requirements

Specimen source is required.

 

Sputum

Bronchial Wash

Bronchoalveolar Lavage

Specimen Transport Temperature

 

Ambient: 3 days

Refrigerated: 7 days

LOINC Code

13956-8

 

Reference Values

Negative for M. tuberculosis  by PCR

Methodology

PCR

Test Classification and CPT Code

87556

87900

 

Sputum - Testing on this specimen type has been cleared or approved by the U.S. Food and Drug Administration and is performed according to manufacturer’s instructions. Performance characteristics for this test have been verified by Yuma Regional Medical Center Laboratory in compliance with CLIA recommendations.

 

Bronchial Wash or Bronchoalveolar Lavage - Testing on this specimen type was validated and its performance characteristics determined by Yuma Regional Medical Center Laboratory. Testing on this specimen type has not been cleared or approved by the U.S. Food and Drug Administration.  The FDA has determined that such clearance or approval is not necessary. This test is used for clinical purposes.  It should not be regarded as investigational or for research. This laboratory is certified under the Clinical Laboratory Improvement Amendment of 1988 ("CLIA") as qualified to perform high complexity clinical testing and has validated this test in compliance with CLIA regulations.

Specimen Collection Instructions

Sputum:

The patient should be seated or standing.  1st morning sputum specimens are preferred. The accuracy of the test is particularly dependent upon the adequacy of the sputum specimen submitted for testing. Sputum specimens submitted for testing will be examined for acceptability before testing. Sputum specimens may be tested either directly or the concentrate sediment from AFB Culture processing may also be tested. 

 

Bronchial Wash or Bronchoalveolar Lavage:

Specimens are collected in Endoscopy or in ICU per established protocol. Bronchial wash or Bronchoalveolar lavage specimens will be concentrated prior to testing.