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Clindamycin Resistance (D test) [15126X]
Test Code15207
CPT Codes
87184
Preferred Specimen
Colonies or pure isolates of Staphylococcus or Group B streptococci (Beta Streptococcus), safely contained on agar slants or plates of chocolate, blood, nutrient, or trypticase soy agar
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Varies with species
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Disk Diffusion
Setup Schedule
Set up: Daily; Report available: 3 days
Reference Range
Not applicable
Clinical Significance
Some isolates of Staphylococcus species Streptococcus Pneumoniae and beta-hemolytic Streptococci have been shown to have inducible resistance to clindamycin. Treatment of a patient with clindamycin resistance (D Test positive) may result in treatment failure.