Peanut IgG
Use
This test measures immunologic sensitization to peanut allergen via detection of peanut-specific IgG. It may be used in select clinical situations to guide elimination and challenge diets in patients with suspected food-related complaints, but it does not establish food allergy; presence of IgG indicates immunologic sensitization and must be interpreted in the clinical context.
Special Instructions
Not provided.
Limitations
Interpretation is limited: food-specific IgG alone cannot be taken as evidence of food allergy. Reference ranges have not been established for food‑specific IgG. Utility is limited to selection of foods for evaluation via elimination and challenge protocols.
Methodology
Immunoassay (ELISA)
Biomarkers
Peanut IgG
Protein
LOINC Codes
- 35542‑0
- 35542‑0
Result Turnaround Time
5-7 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
Not provided
Container
Plastic vial
Collection Instructions
Draw blood in a plain red‑top tube(s); serum gel tube(s) acceptable. Centrifuge and aliquot 0.5 mL of serum into a plastic vial; send refrigerated.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 28 days |
| Frozen | 365 days |