ARUP's Laboratory Test Directory
| 0099528: ssDNA Antibody, IgG |
| Test Mnemonic: DNA SS | |
|
Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Tue, Thu, Sat Reported: 1-4 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Unacceptable Conditions: Plasma. Severely lipemic, contaminated, or hemolyzed specimens. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) |
|
| Reference Interval: |
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< 20 EU: Negative 20-25 EU: Borderline positive > 25 EU: Positive |
| Note: | |
| The ssDNA antibody test detects ssDNA and some dsDNA antibodies. As a result, patient samples should also be tested for dsDNA antibodies in order to more accurately determine the level of anti-ssDNA antibodies. By calculating the ratio (ssDNA/dsDNA), a conclusion can be made as to the presence of ssDNA antibodies. A ratio less than or equal to 1.0 indicates the absence of ssDNA antibodies. A ratio greater than 1.0 indicates the presence of ssDNA antibodies. |
| CPT Code(s): | |
| 86226 |