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Cryptosporidium Antigen, Feces

Reporting Name

Cryptosporidium Ag, F
National University Hospital-Singapore Note:

For NUH patients - use Epic to order (LAB3041448)
NUH service code - 36864
Mayo test code - CRYPS

Useful For

Establishing the diagnosis of intestinal cryptosporidiosis

Testing Algorithm

For other diagnostic tests that may be of value in evaluating patients with diarrhea; the following algorithms are available:

-Parasitic Investigation of Stool Specimens Algorithm

-Laboratory Testing for Infectious Causes of Diarrhea

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Fecal


Specimen Required


Submit only 1 of the following specimens:

 

Specimen Type: Preserved feces

Supplies:

-Formalin 10% Buffered Neutral 15 mL (T466)

-Stool Collection Kit, Random (T635)

Container/Tube:

Preferred: Stool container with 10% buffered formalin preservative

Acceptable: SAF (sodium acetate formalin)

Specimen Volume: 5 grams

Specimen Stability Information: Ambient (preferred) 60 days

 

Specimen Type: Unpreserved feces

Supplies:

-Stool container, Small (Random), 4 oz (T288)

-Stool Collection Kit, Random (T635)

Container/Tube: Stool container

Specimen Volume: 5 grams

Specimen Stability Information: Frozen 60 days


Specimen Minimum Volume

1 gram

Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Varies

Reference Values

Negative

Day(s) Performed

Monday through Friday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

87328

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CRYPS Cryptosporidium Ag, F 6371-9

 

Result ID Test Result Name Result LOINC Value
24086 Cryptosporidium Ag, F 6371-9

Report Available

1 to 3 days

Reject Due To

Grossly bloody (containing no visible feces)
Very mucoid feces
Specimen preserved in ECOFIX (green cap), C and S (orange cap), or methiolate formalin (MF)
Duodenal aspirates
Small bowel aspirates		 Reject

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Gastroenterology and Hepatology Test Request (T728)

-Microbiology Test Request (T244)

Secondary ID

80335
National University Hospital-Singapore Additional Information:

Updated on 21/03/2022