Allergen, Food, Mushroom IgG
Also known as: MUSH IGG
Use
The Allergen, Food, Mushroom IgG test is used to quantitatively measure allergen-specific IgG antibodies in the serum. It is helpful in assessing exposure to mushroom allergens and may be supportive in managing allergic conditions related to mushrooms. The measured IgG levels can provide information on possible allergen sensitization, though clinical correlation with allergic symptoms is essential. IgG antibodies are not typically considered diagnostic for immediate-type IgE-mediated allergic reactions; however, they may be useful for identifying exposure to allergens or delayed-type hypersensitivity reactions.
Special Instructions
Not provided.
Limitations
Results from the Allergen, Food, Mushroom IgG test should be interpreted in the context of the clinical picture, as elevated IgG levels alone are not diagnostic of an allergic condition. The test has not been cleared or approved by the FDA and is classified as a Laboratory Developed Test (LDT). Additionally, the presence of hemolyzed, icteric, or lipemic specimens can interfere with test results and such samples are rejected. Caution should be exercised as IgG antibodies may not correlate with clinical symptoms and are not indicative of IgE-mediated immediate-type hypersensitivity reactions.
Methodology
Immunoassay (Fluorescent Enzyme Immunoassay)
Biomarkers
Mushroom Allergen
Protein
LOINC Codes
- 35540-4 - Mushroom IgG-mCnc
Result Turnaround Time
1-8 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.25 mL
Container
ARUP standard transport tube
Collection Instructions
Separate serum from cells ASAP or within 2 hours of collection.
Storage Instructions
Refrigerated.
Causes for Rejection
Hemolyzed, icteric, or lipemic specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 2 weeks |
| Frozen | 1 year |
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