Cryptosporidium Antigen, EIA

Test Code

90389

CPT Codes
87328

Preferred Specimen

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

Minimum Volume

5 grams or 5 mL

Other Acceptable Specimens

10% formalin • Cary-Blair transport vial

Instructions

1. Collect fresh stool in a clean, leak-proof plastic container
2. For preserved stool fill to line on transport vial

Transport Container

Total-Fix® transport vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 18 months
Refrigerated: Unacceptable
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Unpreserved stool • Stool preserved in medium other than those listed as acceptable • Stool specimens that have been previously concentrated

Methodology
Immunoassay (IA)

Setup Schedule

Tues, thurs, sat

Reference Range

Not detected

Clinical Significance

Cryptosporidium is the causative agent of Cryptosporidiosis. Symptoms include diarrhea, abdominal pain and respiratory problems lasting from several days to more than a month and often leading to persistent infection or death.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: November 6, 2024

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.