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Vasculitis Profile (RDL)
CPT:
83516(x3); 86036; 86038; 86160(x2); 86225; 86431
Expected Turnaround Time
10 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
For more information, please view the literature below.
Specimen Requirements
Specimen
Serum
Volume
4 mL
Minimum Volume
1.5 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube or gel-barrier tube
Collection
Separate serum from cells within one hour of collection. Transfer to a plastic transport tube before shipping. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Refrigerate or freeze.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 14 days |
Frozen | 60 days |
Freeze/thaw cycles | Stable x1 |
Causes for Rejection
Grossly hemolyzed; bacterial contamination; lipemic specimen; icteric specimen; non-serum specimen types
Test Details
Use
ANA are commonly found in a variety of autoimmune diseases. Antibody frequency increases with age in apparently healthy people. ANA patterns on HEp-2 slides provide only general clues about particles (chromatin, nucleosomes, and spliceosomes).
The Farr assay is the most specific method of detecting dsDNA autoantibodies. Significant elevations in dsDNA autoantibody concentrations confirm the diagnosis of systemic lupus erythematosus (SLE). Serial studies of elevated values of dsDNA auto antibodies are useful for predicting activity of SLE.
Anti-MPO autoantibodies aid in assessment of certain autoimmune vasculitides such as microscopic polyarteritis, and crescentic glomerulonephritis. PR-3 is the major target antigen of antineutrophil cytoplasmic autoantibodies (ANCA) that give a cytoplasmic (C-ANCA) autoantibodies (ANCA) which give a perinuclear (pANCA) immunofluorescence pattern.
Anti-PR-3 autoantibodies aid in the assessment of certain autoimmune vasculitides such as microscopic polyartheritis and crescentic glomerulonephritis. PR-3 is the major target antigen of antineutrophil cytoplasmic autoantibodies (ANCA) that give a cytoplasmic (C-ANCA) immunofluorescence pattern. Elevated levels of Anti-PR-3 are classically observed in patients with Wegener granulomatosis (WG), particularly with active disease, and less frequently in other forms of necrotizing vasculitis.
ANTI-GBM autoantibodies are recognized as being important in the pathogenesis of the rapidly progressive glomerulonephritis of Goodpasture's syndrome. Measurements of C3 and C4 are used to detect individuals with inborn deficiency of this factor or those with immunologic disease in whom complement is consumed at an increased rate. These include lupus erythematosus, chronic active hepatitis, certain chronic infections, poststreptococcal and membranoproliferative glomerulonephritis, and others.
Limitations
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
Methodology
See individual test components.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 520293 | Vasculitis Profile (RDL) | 520073 | Anti-Nuclear Ab by IFA (RDL) | 42254-3 | ||
| 520293 | Vasculitis Profile (RDL) | 520071 | ANCA by IFA (RDL) | 35279-9 | ||
| 520293 | Vasculitis Profile (RDL) | 520215 | Anti-PR-3 Ab (RDL) | Units | 46267-1 | |
| 520293 | Vasculitis Profile (RDL) | 520154 | Anti-MPO Ab (RDL) | Units | 72515-0 | |
| 520293 | Vasculitis Profile (RDL) | 520249 | Anti-GBM Ab (RDL) | Units | 31406-2 | |
| 520293 | Vasculitis Profile (RDL) | 520132 | Rheumatoid Factor by Turb RDL | IU/mL | 11572-5 | |
| 520293 | Vasculitis Profile (RDL) | 520060 | Anti-dsDNA Ab by Farr(RDL) | IU/mL | 47299-3 | |
| 520293 | Vasculitis Profile (RDL) | 520169 | C3 Complement (RDL) | mg/dL | 4485-9 | |
| 520293 | Vasculitis Profile (RDL) | 520167 | C4 Complement (RDL) | mg/dL | 4498-2 |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520074 | Homogeneous Pattern | 20398-4 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520076 | Nucleolar Pattern | 20399-2 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520233 | Speckled Pattern | 20401-6 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520234 | Centromere Pattern | 53993-2 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520235 | Spindle Apparatus Pattern | 53003-0 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520236 | Nuclear Membrane Pattern | 54006-2 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520237 | Midbody Pattern | 54155-7 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520238 | Nuclear Dot Pattern | 53998-1 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520239 | PCNA Pattern | 53006-3 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520240 | Centriole Pattern | 53993-2 | |
| Reflex Table for Anti-Nuclear Ab by IFA (RDL) | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 520077 | ANA Titer and Pattern | 520241 | Note: | 77202-0 | |
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