Update Type: Replacement Test
Test Updated: 09/23/2020
Test Overview
Test Methodology
Microscopic Exam with KOH digestion of skin.
Test Usage
Identification of Sarcoptes scabei (scabies mite) or ectoparasite ova.
Reference Range *
No scabies or parasites detected. If the non-pathogenic hair follicle mite Demodex spp. is observed, it will be reported.
Test Details
Days Set Up
Monday - Friday
Analytic Time
8 - 24 hours
Soft Order Code
OPD
MiChart Code
Parasite, Microscopic Examination
Synonyms
- OPD
- PARASITE, DIRECT MICROSCOPIC
- Scabies Mite
- Skin Scraping, Parasites
- Ectoparasite
- Sarcoptes scabei
Laboratory
Microbiology
Section
Microbiology
Specimen Requirements
Collection Instructions
Unroof the burrow hole. Using a scalpel with immersion or mineral oil on it, scrape the superficial layer of skin (stratum corneum). Place the scrapings in oil on a microscope slide, place a second slide on top of the specimen and send to MLabs. A small piece of tissue can be sent with a few drops of oil on it. If an unacceptable specimen is received, the physician will be notified before disposal of the original specimen.
Storage Temperature
Ambient: Yes
Refrigerated: Yes
Frozen: No
Refrigerated: Yes
Frozen: No
Billing
CPT Code
87220
Fee Code
32382