IgG Subclass
For the quantification of human IgG subclass immunoglobulins. These immunology tests are used by physicians to evaluate patients with recurrent and chronic infection.
ProcedureNephelometry using specific antiserum to each immunoglobulin subclass. The assay calibrators are referenced to the CRM470 reference material. This test has been cleared or approved for diagnostic use by the U.S. Food and Drug Administration.
2-5 business days from receipt of specimen
| Specimen Type | Test Code | CPT Code | NY Approved | Volume | Assay Range | Special Instructions |
|---|---|---|---|---|---|---|
| serum | 401001P | 82787 | Yes | 0.5 mL (min. 150 uL) |
See IgG Subclass Guide |
|
Age Related Reference Range:
| Age: | IgG1 | IgG2 | IgG3 | IgG4 |
| 0 - 2 years | 194 - 842 | 23 - 300 | 19 - 85 | 1 - 78 |
| 2 - 4 years | 315 - 945 | 36 - 225 | 17 - 68 | 1 - 54 |
| 4 - 6 years | 306 - 945 | 61 - 345 | 10 - 122 | 2 - 113 |
| 6 - 8 years | 288 - 918 | 44 - 375 | 16 - 85 | 0 - 99 |
| 8 - 10 years | 432 - 1020 | 72 - 430 | 13 - 85 | 2 - 93 |
| 10 - 12 years | 423 - 1060 | 76 - 355 | 17 - 173 | 2 - 115 |
| 12 - 14 years | 342 - 1150 | 100 - 455 | 28 - 125 | 4 - 136 |
| 14 - 18 years | 315 - 855 | 64 - 495 | 23 - 196 | 11 - 157 |
| ADULT | 382 - 929 | 242 - 700 | 218 - 1761 | 4 - 86 |
Specimens are approved for testing in New York only when indicated in the Specimen Information field above.
The CPT codes provided are based on Viracor Eurofins' interpretation of the American Medical Association's Current Procedural Terminology (CPT) codes and are provided for general informational purposes only. CPT coding is the sole responsibility of the billing party. Questions regarding coding should be addressed to your local Medicare carrier. Viracor Eurofins assumes no responsibility for billing errors due to reliance on the CPT codes illustrated in this material.