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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
SSA, AB
Test CodeLAB7824
Alias/See Also
- La
- Anti-La
CPT Codes
86235
Preferred Specimen
1 Gold tube (SST)
Minimum Volume
0.5 mL (1 mL optimal)
Other Acceptable Specimens
1 Lavender tube (EDTA)
OR
1 Green tube (Lithium Heparin)
OR
OR
1 Green tube (Lithium Heparin)
OR
Instructions
Centrifuge for complete separation of serum or plasma from red cells. Refrigerate until tested.
Transport Container
Transfer tube
Transport Temperature
Refrigerate
Specimen Stability
- 2-8°C up to 7 days
- otherwise freeze at -20° or lower
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
- Hemolysis
- Lipemia
Methodology
Multiplex Flow Immunoassay
Setup Schedule
M, T, W, Th, F, Sa, Su
Batched; once per day
Batched; once per day
Reference Range
| Range (reporting units AI) | Result |
| <1.0 | Negative |
| >/= 1.0 | Positive |
Clinical Significance
SSA (anti-Ro) / SSB (anti-La) antibodies may be detected in cases of congenital heart block, neonatal lupus, Sjögren's syndrome and in approximately 30% of SLE patients.
Performing Laboratory
Alverno Central Lab
