Histoplasma Antigen Immunoassay (Sendout)
General Information
- Lab Name
- Histoplasma Ag Immunoassay
- Lab Code
- RHISTO
- Epic Ordering
- 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.
- Forms & Requisitions
- MiraVista Diagnostics Requisition
- 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
- Blood
- 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
- 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.
- Order Miravista Diagnostics Test: 310 (Histoplasma Quantitative EIA Test).
Performance
- LIS Dept Code
- Sendouts (SO)
- Performing Location(s)
-
Sendout MiraVista Diagnostics
800-647-28474705 Decatur Blvd
Indianapolis, IN 46241 - Frequency
- Performed: Monday - Saturday. Report Available: 1-6 days.
- Available STAT?
- No
Billing & Coding
- CPT codes
- 87385
- LOINC
- 51753-2