Syphilis, Darkfield Examination

Syphilis, Darkfield Examination
DataValue
Method Darkfield microscopy
CPT Code 87166
Preferred Specimen Serous fluid from lesion prior to antimicrobial therapy
Other Acceptable Specimens None
Specimen Container Clear exudates in syringe (no needles accepted) or expressed in sterile tube with one or two drops of sterile saline.
Specimen Identification Label with patient’s first and last name, DOB and date/time of collection.
Special Instructions
  • Notify Laboratory of darkfield request ASAP
  • Indicate specimen source on requisition slip.
  • Include any pertinent patient medical history
  • Indicate suspected diagnosis
Shipping Requirements Store and ship at room temperature immediately DO NOT refrigerate
Sample Rejection Criteria
  • Inappropriate specimen transport
  • Specimen greater than one hour old
Turn-around-time Same day