Semi-Quantitative Complement Fixation/Immunodiffusion
New York DOH Approval Status
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."
Contaminated, hemolyzed, or severely lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
|Histoplasma Antibodies by ID||Not detected.|
|Histoplasma Mycelia Antibodies by CF||Less than 1:8|
|Histoplasma Yeast Antibodies by CF||Less than 1:8|
Refer to report.
The immunodiffusion component of this test detects total antibodies against the H and M antigens of Histoplasma capsulatum. The complement fixation component of this test detects total antibodies to mycelial and yeast antigens of Histoplasma.
|Component Test Code*||Component Chart Name||LOINC|
|0050174||Histoplasma Antibodies by ID||5218-3|
|0050330||Histoplasma Mycelia Antibodies by CF||20573-2|
|0050335||Histoplasma Yeast Antibodies by CF||20574-0|
- H antigen
- Histoplasma capsulatum
- M antigen