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

Determine inducible resistance of staphylococci, Streptococcus pneumoniae, and beta-hemolytic streptococci to clindamycin.

Mnemonic
MA DTEST
Methodology
Disk Diffusion
Performed
Sun-Sat
Reported
2-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Actively growing Staphylococcus species, Streptococcus pneumoniae or beta-hemolytic Streptococcus species in pure culture. 
Specimen Preparation
Transport sealed container with pure culture on agar slant or in bacterial transport media. Place each specimen in an individually sealed bag. 
Storage/Transport Temperature
Room temperature. 
Unacceptable Conditions
Mixed cultures or non-viable organisms. 
Remarks
Isolate identification and specimen source required. 
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.
D-Test Negative: This isolate does not demonstrate inducible clindamycin resistance in vitro.

Note
An additional processing fee will be billed for all organisms not submitted in pure culture, as indicated in the specimen requirements.

If species identification is not provided, identification will be performed at ARUP. Additional charges apply.
Components
Component Test Code*Component Chart NameLOINC
0060059Susceptibility, D-Test42720-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Antibiotic Susceptibility D Test
  • Macrolide susceptibility, Lincosamide susceptibility, streptograminin susceptibility resistance