Laboratory Medicine
Test Directory / IgG4
IgG4
Brown clotted serum, gel barrier
| Test | IgG4 |
|---|---|
| Common Abbreviations | IgG4 |
| Profile | NA |
| Tube type | Brown clotted serum, gel barrier |
| Clinical Indication | Immunoglobulin G4-related disease (IgG4RD) is an immune-mediated fibroinflammatory condition that is capable of affecting multiple organs. Common forms of presentation include autoimmune pancreatitis, sclerosing cholangitis, major salivary gland enlargement or sclerosing sialadenitis, orbital disease, retroperitoneal fibrosis. |
| Specimen Type | Blood |
| Sample type | Serum |
| Minimum Volume | 0.5mL |
| Special Precautions | No special requirements |
| Stability | 8 days at 2-8oC, -20oC for prolonged storage. |
| Turnaround Time | 2 weeks |
| Laboratory | York |
| Reference Interval | <1.3g/L (adults) Age-related ref. ranges for paediatrics quoted on report |
| Limitations | No significant assay interference effects were observed when tested with intra lipids (250mg/dL), bilirubin (200mg/L) or haemoglobin (5g/L). |
| Notes |
