| Test Name: | Immunoglobulin G (IgG) |
| Epic Order Code: | LAB731 |
| CPT Code: | 82784 | | |
| Specimen(s) Type: | Serum; 0.5 mL |
| Acceptable Container(s): |  Tube top is light green. |
| Testing Schedule: | Monday-Friday |
| Turn Around Time: | STAT: NA |
| | Routine: 1-3 days |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Sample is stable at room temperature for up to 4 months, and at 2 - 8° C and/or at -20° C for up to 8 months. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. |
| Reference Range: | Reference values according to CRM 470 Protein Standardization: |
| | 0 - 1 yr: 232 - 1411 mg/dL |
| | 1 - 3 yrs: 453 - 916 mg/dL |
| | 4 - 6 yrs: 504 - 1464 mg/dL |
| | 7 - 9 yrs: 572 - 1474 mg/dL |
| | 10 - 11 yrs: 698 - 1560 mg/dL |
| | 12 - 13 yrs: 759 - 1549 mg/dL |
| | 14 - 15 yrs: 716 - 1711 mg/dL |
| | 16 - 19 yrs: 549 - 1584 mg/dL |
| | > 20 yrs: 700 - 1600 mg/dL |
| Additional Information: | |