Cyclospora and Isospora Examination (CYCISO)

Test Code

LAB3354

Quest Code

10018

CPT Codes
87015,87207

Includes

Cyclospora Examination, Isospora Examination, Concentration

Preferred Specimen

10 grams or 10 mL stool preserved in 10% formalin or 10 grams or 10 mL fresh stool in Total-Fix® transport vial

Patient Preparation
Stool must not contain residual barium from diagnostic tests

Minimum Volume

5 grams or 5 mL

Instructions

Transfer stool within 30 minutes of collection into suitable vial. Fill to the line on the transport vial.

Transport Container

10% formalin or Total-Fix® transport 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

Methodology
Microscopic Exam of Modified Acid-Fast Stain

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 - South Region

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.