OVA AND PARASITE SCREEN

Message

Rapid antigen screen for Giardia and Cryptosporidium

Please note: The laboratory will not accept more than three (3) specimens without prior consultation since there is limited yield provided by additional specimens. In addition, specimens from patients after the fourth (4th) hospital day will not be accepted without prior consultation. Please contact Alverno Laboratories Microbiology for consultation.

Test Code

OPSCR

Alias/See Also

O/P; O&P

CPT Codes
87328; 87329

Includes

Giardia and Cryptosporidium

Preferred Specimen

SAF Container

Minimum Volume

15 mL

Other Acceptable Specimens

or Sterile Container

Transport Temperature

Refrigerate

Specimen Stability

Fresh stool: acceptable refrigerated for 48 hours; otherwise freeze.
Preserved stool: acceptable refrigerated or room temp for 2 months

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

Sample submitted in PVA vial will be rejected

Methodology
EIA (Enzyme Immunoassay)

Setup Schedule

M, T, W, Th, F, Sa, Sun

Report Available

Within 24 hours of receipt at the performing laboratory.

Reference Range

Negative for Giardia or Cryptosporidium

Clinical Significance

If full ova and parasite microscopic examination for parasites other than above is warranted due to patient travel or geographic history, please request by calling client service at (219) 989-3700, option 0 or (800) 937-5521, option 0. Order test code O/P

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NMIC (Microbiology)

Last Updated: June 8, 2023

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.