ARUP's Laboratory Test Directory

Antimicrobial Susceptibility - D-Test (Macrolide, Lincosamide, Streptogramin Resistance) : 0060059

Mnemonic: MA DTEST

Methodology: Disk Diffusion
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect:  Pure isolate of Staphylococcus species or beta-hemolytic Streptococcus species.

Transport:  Organism in pure culture in a sealed container at 20-25°C.

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Pediatric Collection/Transport:  

Submit specimen according to Biological Substance, Category B, shipping guidelines.

Stability:  Ambient: 1 week; Refrigerated: Unacceptable; Frozen: Unacceptable
Reference Interval:
By report
Interpretive Data: D-Test Positive: This isolate is presumed to be resistant to clindamycin based on the detection of inducible clindamycin resistance.  Clindamycin may still be effective in some patients.

D-Test Negative: This isolate does not demonstrate inducible clindamycin resistance in vitro.
Note: An additional handling fee will be billed for all organisms submitted that are not in pure culture as indicated in the specimen requirements.
CPT Code(s): 87184
 
 

 

 

 
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