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Antimicrobial Susceptibility Panel, Anaerobic Bacteria, MIC (Gradient)
Test Code70242
CPT Codes
87181 per antibiotic tested.<br /> Number of antibiotics tested is dependent on organism ID.
Includes
Ampicillin/Sulbactam
Clindamycin
Imipenem
Meropenem
Metronidazole
Penicillin
Clindamycin
Imipenem
Meropenem
Metronidazole
Penicillin
Preferred Specimen
Pure culture of anaerobic isolate on a slant, plate or swab
Instructions
Collect specimen using an Amies gel transport swab, Amies liquid elution swab (ESwab), or equivalent.
Refrigerated preferred and may help improve isolate viability.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Determined by viability
Refrigerated: Determined by viability
Frozen: Unacceptable
Refrigerated: Determined by viability
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Isolate in thioglycollate broth • Aerobic slant, plate or swab • Frozen isolates (unless in Glycerol broth)
Methodology
Gradient Diffusion
Setup Schedule
Set up: Daily; Report available: 4-5 days
Clinical Significance
Resistance of anaerobic organisms to antibiotics has been increasing in recent years. Significant increases in resistance are now seen with non-Bacteroides fragilis group gram-negatives and other genera such as Clostridium, Fusobacterium, Prevotella, and Peptostreptococcus. Since negative therapeutic outcomes are directly associated with antimicrobial resistance, accurate, timely susceptibility testing of anaerobes has become more important.
