| Test Name: |
ALLERGEN - EGG WHITE IgG 4 |
| Test Code: |
2193517 |
| Alias: |
51222
LAB1142
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| CPT Code(s): |
86001
|
| Preferred Specimen: |
0.5 mL serum |
| Container: |
Plain Red (no gel) |
| Collection Instructions: |
Collect 1-2 mL whole blood in red top tube. Allow specimen to clot. Centrifuge and transfer 0.5 mL serum into a transfer tube. |
| Transport Temperature: |
Room Temperature |
| Stability: |
Room Temperature: 7 days
Refrigerated: 28 days
Frozen: >28 days |
| Schedule: |
TAT: Report available 2-3 days from receipt of specimen at Viracor |
| Method: |
Enzyme immunoassay (FEIA) |
| Performing Lab: |
Eurofins, Viracor; #51222 |
| Clinical Significance: |
The clinical utility of food-specific IgG4 tests has not been clearly established. Physicians sometimes use allergen-specific IgG4 to evaluate patients prior to or during immunotherapy. These tests can be used in special clinical situations. This test should only be ordered by a physician who recognize the limitations of this test. |
| Use: |
Updated: 01/23/2026 |
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Health Lab Test Code Build Information
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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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