Cyclospora and Isospora Examination [10018X]

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Test Code

Alias/See Also

CPT Codes
87015, 87207

Cyclospora Examination, Isospora Examination, Concentration

Preferred Specimen
10 grams or 10 mL stool submitted in 10% formalin, or fresh stool Total-Fix® transport vial

Minimum Volume
5 grams of 5 mL

Transfer stool within 30 minutes of collection into suitable vial. Fill to the line on the transport vial. Stool must not contain residual barium from diagnostic tests.

Transport Container
Sterile screw cap formalin vial

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 6 months
Refrigerated: Not recommended
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received Frozen • Unpreserved stool • Stool specimens preserved in transport media not listed as acceptable

Microscopic Exam of Modified Acid-Fast Stain

Setup Schedule
Set up: Daily; Report available: Next day

Reference Range
See Laboratory Report

Clinical Significance
Cyclospora cayetanensis and Isospora belli are coccidian parasites which cause malaise, low grade fever, and diarrhea. Fatigue, anorexia, vomiting, myalgia and weight loss occur. The clinical presentation for those patients infected with either disease is similar.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: November 29, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.