TABLE 1.

Phenotypic identifications of Candida species by the referring hospital and by CDC compared to those by the PCR-EIA

Hospital IDbCDC IDPCR-EIA IDCHROMagar resultAPI 20C or RapID profile resulta (% IDc)Morphologyd
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. albicans C. glabrata C. glabrata PinkImplicit CG (99.0)BSP w/o PSH
C. krusei C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. krusei C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. krusei C. glabrata C. glabrata PurpleVery good CG (99.4)BSP w/o PSH
C. parapsilosis C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. tropicalis C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. tropicalis C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. tropicalis C. glabrata C. glabrata PinkVery good CG (99.4)BSP w/o PSH
C. tropicalis C. glabrata C. glabrata PinkSatisfactory CG (99.2)BSP w/o PSH
C. tropicalis C. glabrata C. glabrata PinkLow discrim. PW (70.7), CG (29.3)BSP w/o PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkExcellent CP (99.9)BSP and PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkGood CP (99.1)BSP and PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkAcceptable CP (97.4)BSP and PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkSatisfactory CP (95.7)BSP and PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkLow discrim. CP (83.3), CN (13.3)BSP and PSH
C. albicans C. parapsilosis C. parapsilosis Pale pinkAcceptable genus CT (57.1), CA (27.6), CP (12.2)BSP and PSH
C. glabrata C. parapsilosis C. parapsilosis Pale pinkGood CP (97.8)BSP and PSH
C. glabrata C. parapsilosis C. parapsilosis Pale pinkAcceptable CP (90.5)BSP and PSH
C. glabrata C. parapsilosis C. parapsilosis Pale pinkLow discrim. CN (50.2), CP (47.5)BSP and PSH
C. guilliermondii C. parapsilosis C. parapsilosis Pale pinkGood CP (98.0)BSP and PSH
C. lusitaniae C. parapsilosis C. parapsilosis Pale pinkVery good CP (99.9)BSP and PSH
C. lusitaniae C. parapsilosis C. parapsilosis Pale pinkLow discrim. CP (71.9), CN (18.9), CT (4.9)BSP and PSH
C. tropicalis C. parapsilosis C. parapsilosis Pale pinkVery good CP (99.0)BSP and PSH
C. tropicalis C. parapsilosis C. parapsilosis Pale pinkGood CP (95.9)BSP and PSH
C. tropicalis C. parapsilosis C. parapsilosis Pale pinkLow discrim. CN (50.2), CP (47.5)BSP and PSH
C. albicans C. tropicalis C. tropicalis BlueLow discrim. CT (71.1), CN (18.5), CL (7.6)BSP and PSH
C. albicans C. tropicalis C. tropicalis BlueLow discrim. CT (71.1), CN (18.5), CL (7.6)BSP and PSH
C. albicans C. tropicalis C. tropicalis BlueLow discrim. CT (71.1), CN (18.5), CL (7.6)BSP and PSH
C. albicans C. tropicalis C. tropicalis BlueLow discrim. CT (71.1), CN (18.5), CL (7.6)BSP and PSH
C. glabrata C. tropicalis C. tropicalis BlueAdequate CT (97.0)BSP and PSH
C. glabrata C. tropicalis C. tropicalis BlueGood CT (95.9)BSP and PSH
C. glabrata C. tropicalis C. tropicalis BlueLow discrim. CT (71.1), CN (18.5), CL (7.6)BSP and PSH
C. glabrata C. albicans C. albicans GreenLow discrim. CA (58.7), CT (26.0), CN (14.4)CHL and PSH
C. tropicalis C. albicans C. albicans GreenGood genus CT (48.4), CA (44.4)CHL and PSH
C. tropicalis C. albicans C. albicans GreenUnacceptable profileCHL and PSH
C. albicans C. lusitaniae C. lusitaniae TanGood genus CT (60.7), CL (29.6)BSP and PSH
C. albicans C. parapsilosis or C. lusitaniae C. lusitaniae Pale pinkVery good genus CP (53.5), CL (38.8), CT (7.1)BSP and PSH
  • a CA, C. albicans; CG, C. glabrata; CL, C. lusitaniae; CP, C. parapsilosis; CT, C. tropicalis; CN, Cryptococcus neoformans; PW, Prototheca wickerhamii. “Implicit CG” and “satisfactory CG” are RapID Yeast Plus results; all other results are from the API 20C AUX system. Low discrim., presumptive identification.

  • b ID, identification.

  • c %ID, percent identification likelihood.

  • d BSP, blastospores; PSH, pseudohyphae; CHL, chlamydospores; w/o, without.