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Coccidioides Antibodies, IgG and IgM by ELISA
0050137
Ordering Recommendation

Aid in diagnosis of coccidioidomycosis (Valley fever). Preferred test is Coccidioides Antibodies Panel, Serum by CF, ID, ELISA (0050588) which combines complement fixation, immunodiffusion, and enzyme-linked immunosorbent assays.

Mnemonic
COCCI G/M
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun-Sat
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum Separator Tube (SST). 
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Contaminated, hemolyzed, or severely lipemic specimens. 
Remarks
Please mark specimens plainly as "acute" or "convalescent." 
Stability
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) 
Reference Interval
Test Number
Components
Reference Interval
0050179Coccidioides Antibody, IgG by ELISA
0.9 IV or lessNegative - No significant level of Coccidioides IgG antibody detected.
1.0-1.4 IVEquivocal - Questionable presence of Coccidioides IgG antibody detected.  Repeat testing in 10-14 days may be helpful.
1.5 IV or greaterPositive - Presence of IgG antibody to Coccidioides detected, suggestive of current or past infection.

0050178Coccidioides Antibody, IgM by ELISA
0.9 IV or lessNegative - No significant level of Coccidioides IgM antibody detected.
1.0-1.4 IVEquivocal - Questionable presence of Coccidioides IgM antibody detected.  Repeat testing in 10-14 days may be helpful.
1.5 IV or greaterPositive - Presence of IgM antibody to Coccidioides detected, suggestive of current or recent infection.


Interpretive Data
Refer to report.

Note
Negative fungal serology does not rule out the possibility of current infection.
Components
Component Test Code*Component Chart NameLOINC
0050178Coccidioides Antibody, IgM by ELISA7827-9
0050179Coccidioides Antibody, IgG by ELISA27009-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Cocci Abs ELISA
  • Cocci IgG, IgM Abs