Turnaround Time: 6-8 days
CPT Code:
  • 87505 GI Pathogens 3-5 targets; stool PCR
  • 89160 Muscle Fibers; stool
  • 87177 Parasitology, concentrate; stool
  • 87209 Parasitology, trichrome; stool
Test Type: Kit-Based, Stool


The Parasitology profile includes testing by PCR and microscopy and can be performed on a one-, two- or three-day collection, based on practitioner preference.

According to Dr. Hermann R. Bueno of the Royal Society of Tropical Medicine and Hygiene in London, "parasites are the missing diagnosis in the genesis of many chronic health problems, including diseases of the gastrointestinal tract and endocrine system."

While parasitic infection may be an underlying etiological factor in several chronic disease processes, doctors often do not consider the potential for parasitic involvement because signs and symptoms of parasitic infection often resemble those of other diseases. However, it has been shown that parasite testing is a reasonable approach to the detection of causative agents for chronic gastrointestinal disorders.

Most Americans are inclined to believe that parasitic infection is a rare and exotic occurrence, limited to those who have traveled to distant, tropical lands. However, for a number of reasons, there has been an increase in the incidence of parasitic infection in this country. These may include:

  • Contamination of the water supply
  • Increased use of daycare centers
  • Increased travel to, and visits from, countries where parasitic infection is endemic
  • Household pets
  • Consumption of exotic and uncooked foods
  • Antibiotic use
  • Changing sexual mores


Signs and symptoms of parasitic infection vary from one individual to another. The more common are constipation, diarrhea, bloating, gas, symptoms of irritable bowel syndrome, arthralgias, myalgias, anemia, increased allergic reactions, skin lesions, agitation and anxiety, difficulty with sleep, decreased energy, malnutrition and decreased immune function.

Infection can occur by four different pathways. These routes include:

  • Contaminated food or water
  • Insect vectors
  • Sexual contact
  • Passage through the skin and nose


A thorough patient history will help assess the possibility of parasitic infection and the need for appropriate testing to confirm the suspicion.: DDINT

Collection Details:

Patient Preparation:

Click here for collection instructions

Collection Instructions:


Write the patient’s name, date of birth and the date collected on each specimen vial. The test cannot be performed without the patient information on the vials.

1. Put on glove and collect stool into the paper collection container supplied. If possible, void urine prior to collecting stool to avoid mixing it with the stool sample.

2. Remove the cap from the vial and using the attached spoon transfer stool specimen into the vial. Take multiple portions from different areas of the collection container.

3. Add enough stool until it reaches the fill line. DO NOT OVERFILL. Screw the cap on tightly.

4. Shake the vial vigorously for approximately 30 seconds to mix stool with preservative.