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Histoplasma spp. Antibodies by Immunodiffusion
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Not recommended as a stand-alone test. Refer to Histoplasma Antibodies by CF & ID (0050627).
Qualitative Immunodiffusion
Sun-Fri
2-4 days
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min 0.1 mL)
Refrigerated.
Body fluids.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
None detected.
The immunodiffusion test can detect precipitins to specific Histoplasma protein antigens (M and H). The M band often appears first and may occur without the H band. M precipitin is found in about 70 percent of both acute and chronic histoplasmosis cases. Both M and H occur together in only about 10 percent of patients.
No compliance statements are in use for this test.
Negative fungal serology does not rule out the possibility of current infection.
86698
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050174 | Histoplasma spp. Abs, Precipitin | 5218-3 |
- Histoplasma ID
- Histoplasma Precipitin
- Histoplasma spp Ab
- Histoplasmosis Antibody
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