Web: | mayocliniclabs.com |
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Email: | mcl@mayo.edu |
Telephone: | 800-533-1710 |
International: | +1 855-379-3115 |
Values are valid only on day of printing. |
Determining the in vitro susceptibility of aerobic bacteria involved in human infections
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
BLA | Beta Lactamase | No, (Bill Only) | No |
SUS | Susceptibility | No, (Bill Only) | No |
RMALD | Ident by MALDI-TOF mass spec | No, (Bill Only) | No |
HPCR1 | H pylori + Clarithro Resistance PCR | No, (Bill Only) | No |
MARP1 | mecA PCR (Bill Only) | No, (Bill Only) | No |
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
MIC | Sensitivity, MIC | No, (Bill Only) | Yes |
When this test is ordered, the reflex tests may be performed at an additional charge.
All aerobically growing bacteria submitted will automatically have susceptibility testing performed and billed as appropriate. Antimicrobial agent appropriate to the organism and specimen source will be tested according to Mayo Clinic's practice and the laboratory's standard operating procedures.
If appropriate, testing for mecA will be performed by polymerase chain reaction (PCR) under MARP1 / mecA, Molecular Detection, PCR (Bill Only). Indications for mecA testing include inadequate growth by phenotypic antimicrobial susceptibility testing, lack of current organism breakpoints for oxacillin or cefoxitin, and assessment of discrepancies between cefoxitin and oxacillin phenotypic testing results.
In the event that an isolate of Helicobacter pylori does not grow from a client sample or does not grow for susceptibility testing, reflex testing for HPCR1 / Helicobacter pylori with Clarithromycin Resistance Prediction, Molecular Detection, PCR (Bill Only) may be added.
See Special Instructions to review tables that provide a listing of the antimicrobials routinely tested as well as antimicrobials that may be tested upon request. These tables are organized by isolate groups and are not all inclusive. Call 800-533-1710 and ask to speak to the Bacteriology Antimicrobial Susceptibility Testing Laboratory if the organism or antimicrobial of interest are not listed in these tables.
For test utilization options, see Helicobacter pylori Diagnostic Algorithm in Special Instructions.
Minimum Inhibitory Concentration (MIC) by Agar Dilution