Vanderbilt Pathology Laboratory Services
Test Directory
DARKFIELD EXAM (DKX)
Department: MicrobiologyTest Synonym(s): DKX
CPT Codes: 87166
Methodology: Darkfield microscopic exam
Reference Range: Negative for spirochetes
Tube Type: Microscope slide - wet prep. Call laboratory (615-322-3406) before collecting specimen. Wet prep of specimen must be made at collection time.
Specimen: Specify source
Temperature: Room temperature
Stability: Wet prep of specimen must be made at collection time and specimen must be brought to laboratory immediately.
Reasons for Rejection: Specimen on swab. Delay in transport. Failure to make arrangements with laboratory ahead of collection of specimen.
Days Performed: Monday - Friday
Times Performed: 7:30 am - 4:00 pm
TAT: 30 - 60 minutes
Special Instructions: Schedule with the Microbiology lab. Deliver to the lab immediately.
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