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HelpTest Code AJO or LAB770 Jo-1 Antibody, Serum
Specimen Requirements
| Container Type: |
Optimal: Gold Acceptable: Red
|
| Optimal Collection Volume: |
4.5mL; full tube |
| Minimum Volume: | 1 mL |
| Collection Instructions: |
Gently invert the sample 5-6 times after collection. |
| Specimen Transport: |
Refrigerate |
| Processing Instructions: |
1. Allow the specimen to clot for 30 minutes. 2. Centrifuge specimen within 2 hours of collection. 3. After centrifugation, specimen tubes without a gel barrier should have the serum aliquoted to a false bottom container. 4. Keep serum refrigerated until testing can be performed. |
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
|
Serum |
Refrigerated |
7 days |
|
Room Temperature |
8 hours |
Specimen Rejection Criteria
|
Hemolysis |
Mild OK; Moderate OK; Gross Reject |
|
Lipemia |
Mild OK; Moderate OK; Gross Reject |
|
Icterus |
Mild OK; Moderate OK; Gross Reject |
|
Other |
Quantity not sufficient |
Useful For
This assay is helpful as an aid in the diagnosis of systemic autoimmune diseases.
Methodology
Bio-Rad BioPlex 2200: Multiplex flow immunoassay
Reference Ranges
|
Test ID |
Reference Range and Reporting Units |
|---|---|
|
AJO |
< 1.0 AI: Negative |
|
> 1.0 AI: Positive |
AI = Antibody Index
Day(s) Performed
Monday through Friday
Expected TAT
Same day or 1-2 days
Performing Laboratory
Bronson Laboratory, Chemistry - Kalamazoo
Sample Retention Time
7 days
CPT Code
86235
LOINC Code
35333-4