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Parasite Identification-Worm/Arthropod (Lab001036)
Test Mnemonic:


Specimen Requirements:

Specimen source required.


1. Submit whole  worms or worm segments in 10% formalin in a clean container. Submit as large a segment as possible. include patient history.

2. For scabies: Scrape skin from the leading edge of the lesion. Submit scrapings on glass microscope slide. Cover with a clean slide and fasten down to transport. Transport slides in a clean, dry container.

3. For arthropods  (ticks, lice, nits, bed bugs, etc): submit in a clean, dry container.

4. Submit maggots (larvae) in 70% alcohol in a clean container.




Clean, leak proof container


Room temperature

Specimen Preparation:

1. For worm specimens, place in clean dry container and preserve in 10% formalin.

2. Submit maggots (larvae) in 70% alcohol in a clean container.



Causes for Rejection:

Leaking container, prolonged delay in transit. Specimen container unlabeled or labeled incorrectly. No date and time of collection on requisition form. Stool specimen submitted.

Reference Range:
Turnaround Time:

1-3 days


Macroscopic identification of worms and arthropods; Microscopic identification of scabies


Clinical Microbiology


Worm Identification; Tapeworm; Strongyloides;Intestinal worms; Ectoparasite identification; Tick Identification; Mite Identification; Scabies; Sarcoptes scabiei; Bed Beg; Bot fly; Flea; Lice;Tick; Maggots (fly larva);  

Clinical Indication:

Identification of intestinal or other body cavity worms and/or parasite segments

Identification of arthropods (scabies, Sarcoptes scabiei, mites, ticks, bed bugs, etc).

CPT 4 Code:



Include patient history.

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.
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