Laboratory Services

Crypto/Giardia Antigen Test

Print this page

Updated Test Information:

Test Description
Crypto/Giardia Antigen Test
Synonym(s)

Parasite, Parasitology, Giardia Antigen, Diarrhea, Cryptosporidium Antigen

Test ID
GIARDIA
General Information

Antigen test for Cryptosporidium and Giardia from stool specimen

Specimen Type

Stool

Specimen Requirements

Stool specimen

Specimen Collection / Processing Instructions

Collect fecal specimen into a clean, airtight container or 10% buffered formalin, Sodium Acetate formalin (SAF), Cary-Blair transport, C&S transport.

Minimum Sample Volume

1 g stool, 1 mL liquid stool

Stability

Unpreserved:
Ambient 2 hours
Refrigerated 72 hours
Frozen 1 week

Preserved:
Ambient 9 months
Refrigerated 9 months
Frozen Unacceptable

Unacceptable Specimen Conditions

Stool specimen in PVA fixatives are not suitable for use with this test, unacceptable specimen transport device, improper labeling, prolonged delay in transport

Methodology

Immunoassay

Estimated TAT

1-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

87329
87328

Reference Range

Giardia antigen not detected/Cryptosporidium antigen not detected

Reflex Conditions

None

Performing Lab

Incyte Diagnostics

LOINC Code(s)

6412-1