Allergen Alpha Lactalbumin IgG
| Abbrev Code: | FALG | ||
| Order Code: | LAB457 | Order Name: | Allergen Alpha Lactalbumin IgG |
| Methodology: | Enzyme Immunoassay (FEIA) | ||
| CPT Codes: | 86001 x1 | ||
| Turnaround Time: | Specimens are sent to reference lab Monday-Friday; results are reported within 3-8 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 3 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red (no gel) Alternate Containers: Red (gel) |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 0.5 mL of serum. Store refrigerated. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 7 days at room temperature; 28 days refrigerated (preferred); 1 year frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ViraCor via Mayo) |
| Referral Lab number: | FALG |
Interpretive
| Reference Range: | Reference ranges have not been established for food-specific IgG tests. |
| Use: | The clinical utility of food-specific IgG tests has not been established. These tests can be used in special clinical situations to select foods for evaluation by diet elimination and challenge in patients who have food-related complaints. It should be recognized that the presence of food-specific IgG alone cannot be taken as evidence of food allergy and only indicates immunologic sensitization by the food allergen in question. This test should only be ordered by physicians who recognize the limitations of the test. |
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