Precipitin Micropolyspora Faeni
Test Code
MFAEN
Description
Collect
Serum separator tube or a red top tube.
Pediatric Collection
Minimum Volume: 0.5mL serum
Unacceptable Conditions
Plasma
Storage Transport Temp
Ship within 48 hours of collection if shipping at ambient temperature.
Preferably ship samples refrigerated or frozen on dry ice in a well insulated container.
Send serum Priority Overnight via FedEx.
Stability
48 hours amibient. 7 days refrigerated, 1 year at -20°C or below. Avoid repeated freeze thaw cycles.
Notes
Note: 0.25 mL serum is required for one precipitin. Add 0.1 mL for each additional precipitin ordered.
Performed
Monday
Methodology
Immunodiffusion
Turnaround Time
up to 12 days
Department
Precipitins
Synonyms
Immunodiffusion (Precipitin Micropolyspora Faeni IgG);T1
Study Offerings
RUO
CAP/CLIA
Related Tests
Hypersensitivity Screening Antigens: Thermoactinomyces vulgaris (TH3), Candida (CAND), Pigeon serum (EB1), Aureobasidium pullulans (TH5), Aspergillus polyvalent mix (M1)
Reference Interval
Negative
Interpretation
Precipitating IgG antibodies are often present in serum of patients with hypersensitivity pneumonitis (HP) due to exposure to enviromental antigens. The serum precipitin test assists in the diagnosis of HP.
CPT Code
86331
New York Approved
No: Run with Waiver
FDA
LDT