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HelpTest Code SMDP Smith DP Ab
Additional Codes
Meditech Order: SMITHAB
Panel Order:ENAE
Alias
SM Ab
Anti-Smith Ab
Intended Use
EliA SmDP-S is intended for the in vitro semi-quantitative measurement of IgG antibodies
directed to Sm in human serum and EDTA-plasma as an aid in the diagnosis of systemic
lupus erythematosus (SLE) in conjunction with other laboratory and clinical findings. EliA
SmDP-S uses the EliA IgG method.
Performing Lab
Boone Health Laboratory
Collection Method
Venous Collection
Container
Gold Serum Tube
Instructions/Special Handling
None
Preferred Specimen
Gold SST Serum Tube
Red Serum
Acceptable Specimes
- Plasma
- EDTA
Units
| EliA U/mL |
Reference Ranges
| <7 | Negative |
| >10 | Positive |
| 7-10 | Equivoval (recommend retesting after 8-12 weeks) |
| >310 | >310 EliA U/mL |
Critical Values
N/A
Reasons for Rejection
| Hemolysis | Grossly hemolyzed (>501mg/dl) |
| Icterus | Bilirubin >19.2mg/dl |
| Lipemia | >1000 |
| Other | Contaminated specimens, Rheumatoid factor IgM (550 IU/mL), Ibuprofen (21.9mg/dL), Prednisone (0.01 mg/dL), Hydroxychloroquine (0.23 mg/dL),Azathioprine (0.26 mg/dL), Losartan (1.14 mg/dL), Rituximab (109 mg/dL), Infliximab (26.4 mg/dL),QNS, Improperly labeled, Improper specimen type |
Specimen Stability
| Ambient (15-25°C) | 8 hours |
| Refrigerated (2-8°C) | 14 days |
| Frozen (-20°C) | 12months (only one freeze thaw cycle) |
Performance Information
| Days/Times Performed | Monday, Wednesday and Friday |
| Expected Turn around Time | 1-3 days |
| Methodology/Method Description | EliA IgG |
CPT Code(s)
86235