Ordering Recommendation

Aid in diagnosing allergic bronchopulmonary aspergillosis (ABPA). Not appropriate for diagnosing invasive aspergillosis.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Serum Separator Tube (SST).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature


Unacceptable Conditions

Hemolyzed, icteric, or lipemic specimens.


After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year


Quantitative ImmunoCAP Fluorescent Enzyme Immunoassay




1-8 days

Reference Interval

Test Number
Reference Interval
  Aspergillus fumigatus Ab IgG Less than or equal to 99.99 mcg/mL

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Component Unit of Measure Interpretation
Aspergillus fumigatus Ab IgG 0.00-90.00 mcg/mL
90.01-99.99 mcg/mL
100.00 mcg/mL or greater
Negative - No significant level of A. fumigatus IgG antibody detected.
Equivocal - Questionable presence of A. fumigatus IgG antibody.
Positive - A. fumigatus IgG antibody detected. A positive result satisfies a single criterion in the determination of allergic bronchopulmonary aspergillosis (ABPA).

Compliance Category

Laboratory Developed Test (LDT)


Hotline History


CPT Codes



Component Test Code* Component Chart Name LOINC
3000877 Aspergillus fumigatus Ab IgG 26954-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • A fumigatus
  • ABPA
  • Allergic bronchopulmonary aspergillosis
  • Aspergillosis
  • Aspergillus fumigatus
  • Aspergillus Fumigatus IgG
  • IgG Antibodies
  • IgG Serum
Aspergillus fumigatus Antibody IgG