Cryptosporidium Antigen, EIA

Message

Order as a miscellaneous test.

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

Stool preserved in 10% formalin, or Cary-Blair transport media

Instructions

1. Collect fresh stool in a clean, leak-proof plastic container
2. Fill to line on 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

Tuesday, Thursday, Saturday Night
Report available: 3 Days

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
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: April 20, 2022

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.