AFB – Mycobacterium kansasii, Rifampin Susceptibility by Agar Proportion

Laboratory Fee Schedule

Procedure: MBZ0266A

CPT:  87190

AFB – Mycobacterium kansasii, Rifampin Susceptibility by Agar Proportion
Requisition Form G-MYCO
Test Description Susceptibility to rifampin by agar proportion for M. kansasii
Pre-Approval Needed N/A
Supplemental Information Required N/A
Supplemental Form(s) N/A
Performed on Specimens from (sources) Pure isolate from human sources.
Sample/Specimen Type for Testing M. kansasii pure isolate in liquid or on solid culture medium.
Minimum Volume/Size Required
  • Liquid culture - 2.0 mL
  • Solid culture - Visible growth, more than a single colony.
Storage/Preservation Prior to Shipping Ambient
Transport Medium


Specimen Labeling
  • Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
  • Identifiers on specimen must exactly match submission form.
Shipping and Specimen Handling Requirements
  • Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
  • Category B shipping applies  
Method Agar proportion susceptibility test interpreted as either susceptible or resistant to a specific drug at critical concentration recommended by CLSI.
Turn-around Time 14 days
Common Causes for Rejection
  • Mixed cultures
  • Isolate cultures other than M. kansasii,
  • Insufficient sample (non-viable/no growth) 
Additional Information
  • Isolates submitted for this test will be identified by this laboratory. 
  • No fee will be charged for this identification unless identification is requested on the G-MYCO requisition form.

Last updated February 17, 2022