Candida Antigen

CPT: 87899
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Test Details


  • Candida Ag
  • Antigen, Candida


Determine the presence of circulating Candida antigen in patients with disseminated infection prior to the production of Candida antibodies, particularly in immunosuppressed patients. Detection of Candida antigen in serum is highly suggestive of systemic or disseminated candidiasis.


A negative test does not exclude the possibility of disseminated Candida infection. Immunocompetent patients may have a negative test result due to presence of an immune complex. False-negative results may occur if the specimen has been heated due to the heat sensitivity nature of the Candida antigen. Rheumatoid factor may cause nonspecific agglutination.


Latex agglutination (LA)

Specimen Requirements




2 mL

Minimum Volume

0.25 mL


Red-top tube or gel-barrier tube.

Storage Instructions

Maintain specimen refrigerated for up to 14 days.

Causes for Rejection

Unlabeled specimen or name discrepancy between specimen and request label; inadequate specimen volume; gross hemolysis; specimen heated or exposed to high temperature; specimen other than serum

Clinical Information


Gentry LO, Wilkinson ID, Lea AS, Price MF. Latex agglutination test for detection of Candida antigen in patients with disseminated disease. Eur J Clin Microbiol. 1983 Apr; 2(2):122-128. 6861734
Yera H, Sendid B, François N, Camus D, Poulain D. Contribution of serological tests and blood culture to the early diagnosis of systemic candidiasis. Eur J Clin Microbiol Infect Dis. 2001 Dec; 20(12):864-870. 11837637


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
183541 Candida Antigen 35271-6 183542 Candida Antigen 35271-6
Reflex Table for Candida Antigen
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 183543 Candida Ag Titer 183543 Candida Ag Titer 9501-8

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