DNA Double-Stranded Antibody (anti-ds DNA)
Order Name
DNA AB
Test Number: 5572000
Revision Date 07/12/2021
Test Number: 5572000
Revision Date 07/12/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
DNA Double-Stranded Antibody (anti-ds DNA)
|
Chemiluminescence Assay | 32677-7 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Serum | Clot Activator SST | Frozen |
| Instructions | Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Stability: Room Temperature 8hrs, Refrigerated: 48hrs, Frozen: 30 days. Transport Frozen |
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| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon-Fri |
| Expected TAT | 1-3 Days |
| Clinical Use | Important autoantibody in SLE with a specificity of 95%. A sensitivity of over 70% in patient with active SLE. |
| Notes | Positive or borderline results are confirmed with DNA Crithidia Antibody IFA method. Order Code: [5500825] DNA Crithidia Antibody IFA Result Code: [5500825 ] DNA Crithidia AB IFA LOINC: 34187-5 |
| CPT Code(s) | 86225 (if reflexed to confirmation 86255) |
| Internal Comments | 10/20/2017 SU - JK 3/26/18 updated methodology from EIA to CIA - JK 4/16/19 notes was Positive or borderline results are confirmed with the Crithidia method, - changed to just say IFA - JK 5/22/19 Norman request to remove the No Charge from this line - "Positive or borderline results are confirmed with IFA method at no charge." - JK 5/14/2020 added 86255 for reflex to confirmation 7/12/21 added Crithidia word back on to the Reflex Confirmation line per dr Miller |
| Service Provided By |  |
| Lab Section | Immunology - Serology |