Test Overview
Test Methodology

Real-Time Polymerase Chain Reaction (PCR)

Test Usage

Rapid detection of Mycobacterium tuberculosis complex. This test should always be performed in conjunction with mycobacterial culture.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

A negative test does rule out the presence of Mycobacterium tuberculosis complex or active disease.

Test Details
Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

Soft Order Code
MTBP
MiChart Code
M. tuberculosis Complex PCR (Sendout)
Synonyms
  • AFB RNA Amplification, Respiratory
  • Mycobacteria PCR Test
  • PCR, AFB
  • RNAAFB
  • TB RNA Amplification, Respiratory
  • TB PCR Test
  • M. TUBERCULOSIS AMPLIFICATION
  • MTBP
Laboratory
Sendout
Reference Laboratory
Mayo MTBRP (88807)
Section
Special Testing
Specimen Requirements
Collection Instructions

Send respiratory specimen (e.g., bronchoalveolar lavage fluid, bronchial washing, or sputum) or 5 mm fresh tissue specimen refrigerated in a screw-capped, sterile container. Formalin-fixed paraffin-embedded tissue is also acceptable. Indicate specimen source and collection date/time.

Special Handling

Specimen must arrive within 7 days of collection or specimen will be rejected

Rejection Criteria
Specimen must arrive within 7 days of collection or specimen will be rejected
Normal Volume
1 mL respiratory specimen or 5 mm tissue
Minimum Volume
1 mL respiratory specimen or 5 mm tissue
Additional Information

This test is specific for, but does not differentiate among, members of the Mycobacterium tuberculosis complex, i.e., Mycobacterium tuberculosis, Mycobacterium bovis, Mycobacterium bovis BCG, Mycobacterium africanum, Mycobacterium microti, and Mycobacterium canetti. Test sent to Mayo Medical Laboratories.

Billing
CPT Code
87556
Fee Code
32304
LOINC
38378-6
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