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Test Code Billings Clinic: 6966 Mayo: CRYPS Cryptosporidium Antigen, Feces

Reporting Name

Cryptosporidium Ag, F

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Establishing the diagnosis of intestinal cryptosporidiosis

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)


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 Type

Fecal

Specimen Minimum Volume

1 gram

Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Varies

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

Reference Values

Negative

Interpretation

A positive enzyme-linked immunosorbent assay result indicates the presence of antigens of cryptosporidium and is interpreted as evidence of infection with that organism.

 

Interpretation of results should be correlated with patient symptoms and clinical picture.

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

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

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)

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