Histoplasma Antigen Immunoassay (Sendout)
General Information
Lab Name
Histoplasma Ag Immunoassay
Lab Code
RHISTO
Epic Name
Histoplasma Antigen, Quant, Serum (Sendout)
External Test Id
310
Description
Useful For: The histoplasma quantitative antigen test aids the diagnosis of histoplasmosis. Monitoring the histoplasmosis helps determine when treatment can be stopped and to diagnose relapse.
Synonyms
FHIST, Histo Polysaccharides, Histoplasma Antigen, Histoplasma capsulatum Antigen, Histoplasma Polysaccharide Antigen
Components
| Code | Name |
|---|---|
| RHISAG | Histoplasma Ag Immunoassay |
| RHSTAI | Histoplasma Ag Interp |
Interpretation
Method
Enzyme Immunoassay (EIA)
Reference Range
See individual components
Ref. Range Notes
Reference Interval: None Detected
Reportable Range:
- Positive results reported in ng/mL from 0.20 ng/mL to 20.00 ng/mL.
- Positive results above 20.00 ng/mL are reported as "Above the Limit of Quantification."
Interferences and Limitations
Cautions: Sodium hydroxide and sputolysin. Cross-reactivity occurs between blastomycosis and histoplasmosis, and in Paracoccidioidomycosis, penicillosis, coccidioidomycosis, aspergillosis, and sporotrichosis.
Guidelines
Ordering & Collection
Specimen Type
Collection
6 mL blood in RED TOP Tube or GOLD SST
Forms & Requisitions
- MiraVista Diagnostics Requisition
Handling Instructions
Outside Laboratories: Centrifuge sample and transfer serum to a separate plastic vial. Refrigerate serum.
Stability: Refrigerated (preferred): 14 days; Frozen: Frozen: Indefinitely; Ambient: Unacceptable.
Reject Due To: Specimen that is too viscous to pipette. Tissue, biopsy, sputum, bronchial aspirate, FNA, bone marrow aspirate, stool or samples in transport media, fixative or Isolator tubes.
Quantity
requested: 2 mL serum
minimum: 1.2 mL serum
Processing
Centrifuge sample and transfer serum to a separate plastic vial. Refrigerate serum.
Sendouts:
- Order Miravista Diagnostics Test: 310 (Histoplasma Quantitative EIA Test).
- Select specimen type 'serum.'
- Ship via FedEx priority overnight, Monday through Thursday only. Saturday delivery is not available.
Stability: Refrigerated (Preferred): 14 days; Frozen: Indefinitely; Ambient: Unacceptable.
Reject Due To: Specimen that is too viscous to pipette. Tissue, biopsy, sputum, bronchial aspirate, FNA, bone marrow aspirate, stool or samples in transport media, fixative or Isolator tubes.
Performance
LIS Dept Code
Sendouts (SO)
Performing Location(s)
| Sendout |
MiraVista Diagnostics
800-647-2847 4705 Decatur Blvd |
|---|
Frequency
Performed: Monday - Saturday. Report Available: 1-6 days.
Available STAT?
No