SSA (Ro) (ENA) Antibody, IgG
| Sunquest Code: | SSAIGG | ||
| Epic Code: | LAB6339 | Epic Name: | SSA Ro ENA Antibody IgG |
| Synonyms: | Sjogren's Ro Antibody; Ro Antibody; Extractable Nuclear Antigen Antibody | ||
| Methodology: | Fluorescent enzyme immunoassay | ||
| Turnaround Time: | Performed Mon-Fri; results reported the same day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.9 mL |
| Container: | Red or gold (gel) (Green (lithium heparin, gel), Purple (EDTA), Red (no gel)) |
| Causes for Rejection: | Gross hemolysis or severe lipemia. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.35 mL minimum. Store in refrigerator up to 14 days. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Endocrine (UMMC-East Bank) |
Interpretive
| Reference Range: |
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| Use: | SSA (Ro) antibody is seen in 70-75% of Sjogren's syndrome cases, 30-40% of SLE, and 5-10% of progressive systemic sclerosis (PSS). |
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