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Lab Manual for Moffitt-Long and Mount Zion

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DEACTIVATED Susceptibility- Routine MICs

Item Value
Approval req'd? No
Available Stat? No
Test code B045
Performed by Microbiology
In House Availability Set up daily: day shift
Container type
Sample type
Normal range
Additional information This test is included as necessary when potential pathogenic bacteria are isolated. It is only orderable by the Microbiology staff.

A range of concentrations is employed and the susceptibility results are reported in mg/L (µg/mL), with an interpretation of S, I, U or R.

The agents tested include:
For gram-negative bacilli: For staphylococci: For enterococci:
ampicillin‡ penicillin G ampicillin
cefazolin oxacillin gentamicin
cefepime# clindamycin (high level)
cefotaxime erythromycin streptomycin
ceftazidime# gentamicin (high level)
ceftriaxone trimethoprim & vancomycin
ciprofloxacin#‡ sulfamethoxazole dalfopristin &
gentamicin vancomycin quinupristin**
imipenem# doxycycline doxycycline
nitrofurantoin* dalfopristin & rifampin
piperacillin# quinupristin** nitrofurantoin*
tobramycin# nitrofurantoin* ciprofloxacin*
trimethoprim & ceftriaxone** linezolid**
sulfamethoxazole‡
amikacin#
piperacillin & * tested only in urine
tazobactam ** add'l drugs by consultation only
amoxicillin & some with add'l charge (B045)
clavulanic acid** # Pseudomonas aeruginosa routinely
aztreonam** tested only vs these drugs
ticarcillin & ‡ Stool pathogens tested only
clavulanic acid** vs these drugs
LOINC code 19156-9
Last Updated 5/22/2013 11:47:28 AM
Entry Number 44

If you have additional questions regarding this test, please call: 415-353-1667

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