Histoplasma Fungal Serology (Sendout)
General Information
Lab Name
Histoplasma Fungal Serology (Sendout)
Lab Code
RHSTG
Epic Name
Histoplasma Fungal Serology (Sendout)
External Test Id
0050627
Description
Ordering Recommendation: Aids in the diagnosis of histoplasmosis. 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.
Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens.
Ordering Note: For testing on CSF samples, refer to Fungal Antibody Panel, CSF (Sendout) [RCFAP].
References
- ARUP Laboratories Histoplasma Antibodies by Complement Fixation and Immunodiffusion
Synonyms
0050627, ASP, CF, Complement Fixation, Fungal Antibody, Fungal Serology, Histoplasma, ID, Immunodiffusion, Precipitin
Components
| Code | Name |
|---|---|
| RHISMC | Histoplasma Mycelia by CF |
| RHISYC | Histoplasma Yeast by CF |
| RHISID | Histoplasma Antibodies by ID |
Interpretation
Method
Semi-Quantitative Complement Fixation/Immunodiffusion
Reference Range
See individual components
Ref. Range Notes
Reference Intervals:
| Histoplasma Antibodies by ID | Not detected |
| Histoplasma Mycelia Antibodies by CF | <1:8 |
| Histoplasma Yeast Antibodies by CF | <1:8 |
Guidelines
Ordering & Collection
Specimen Type
Collection
6 mL blood in RED TOP tube or GOLD SST
Handling Instructions
Outside Laboratories: Centrifuge sample and transfer serum to a separate plastic vial within 2 hours of collection. Refrigerate serum.
Stability: Refrigerated (preferred): 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles); Ambient: 48 hrs.
Unacceptable Conditions: Contaminated, hemolyzed, or severely lipemic specimens.
Quantity
requested: 2 mL serum
minimum: 0.8 mL serum
Processing
Centrifuge sample and transfer serum to a separate plastic vial within 2 hours of collection. Refrigerate serum.
Sendouts:
- Order ARUP Test: 0050627.
- Interfaced: Yes. [Interface Number: 602; Department: ARPR]
- If parallel testing will be performed:
- Mark serum samples as "acute" or "convalescent," as appropriate. Convalescent samples must be received by ARUP within 30 days from receipt of the acute sample.
- For the convalescent order, enter instructions in the modifier before batching sample. Comment: Run parallel testing with acute sample collected (MM/DD/YY).
Stability: Refrigerated (preferred): 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles); Ambient: 48 hrs.
Unacceptable Conditions: Contaminated, hemolyzed, or severely lipemic specimens.
Performance
LIS Dept Code
Sendouts ARUP Lab (RF) (ARPR)
Performing Location(s)
| Sendout |
ARUP Laboratories, Inc.
800-522-2787 500 Chipeta Way |
|---|
Frequency
Performed: Sunday - Saturday. Reported: 3-6 days.
Available STAT?
No