IgA
| Abbrev Code: | IGA | ||
| Order Code: | LAB73 | Order Name: | IGA |
| Synonyms: | Immunoglobulin A; Gamma Globulin; Celiac | ||
| Methodology: | Immunoturbidimetry | ||
| CPT Codes: | 82784 x1, 82784 x1 | ||
| Turnaround Time: | Performed Mon-Fri; results are reported within 1 day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Red or gold (gel) Alternate Containers: Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel) |
| Causes for Rejection: | Grossly hemolyzed and highly lipemic samples. Samples not separated from cells within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Within 2 hours of collection, centrifuge and aliquot 0.3 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 8 days refrigerated; indefinitely frozen. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Optilite C) |
Interpretive
| Reference Range: |
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| Use: | Evaluate humoral immunity, monitor therapy in IgA myeloma and quantitate IgA. |
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