Reference values
dependent on method |
Immunofluorescence method. |
anti-Sm |
negative |
ELISA |
anti-Sm/RNP |
Units |
negative |
< 15 |
U/ml |
equivocal |
15-25 |
U/ml |
positive |
> 25 |
U/ml |
Antibodies to SS-A/Ro and SS-B/La
anti-SS-A (Ro)
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 8 |
U/ml |
equivocal |
8 – 10 |
U/ml |
positive |
> 10 |
U/ml |
anti-SS-B (La)
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 3 |
U/ml |
equivocal |
3 – 4 |
U/ml |
positive |
> 4 |
U/ml |
Anti – SS-A/Ro
-
Systemic Lupus Erythomatodes 30 – 50 % patients
- Primary Sjögren’s syndrome 60 –70% patients
-
Secundary Sjögren’s syndrome up to 95 % patients
Anti – SS-B/La
- Systemic Lupus Erythomatodes 15 % patient
-
Primary Sjögren’s syndrome 45 –60% patients
-
Secundary Sjögren’s syndrome up to 87 % patients
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
anti- anticetromere |
anti-SCL 70 |
Units |
negative |
< 10 |
< 15 |
U/ml |
equivocal |
|
15-25 |
U/ml |
positive |
> 10 |
> 25 |
U/ml |
Reference values:
Indirect immunoflourescence method.negative
Reference values:
Indirect immunoflourescence method.negative
anti ds-DNA
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 40 |
U/ml |
equivocal |
40 – 60 |
U/ml |
positive |
> 60 |
U/ml |
anti ss-DNA
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 8 |
U/ml |
equivocal |
8 – 10 |
U/ml |
positive |
> 10 |
U/ml |
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 25 |
U/ml |
positive |
> 25 |
U/ml |
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
0 - 20 |
U/ml |
equivocal |
21 – 30 |
U/ml |
positive |
> 30 |
U/ml |
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 5 |
U/ml |
positive |
> 5 |
U/ml |
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
negative |
Low positive |
Moderate positive |
High positive |
Units |
IgG |
< 20 |
20 –30 |
31 – 50 |
> 51 |
GPLU/ml |
IgM |
< 1.5 |
1.5 –2.5 |
2 – 9.9 |
> 10 |
MPL /ml |
IgA |
< 10 |
10 -20 |
21 – 30 |
> 31 |
arb U/ml |
Indication
- suspected SLE
-
prenatal pregnancy monitoring in patients with SLE
-
recurrent abortions
-
thromboembolic events of undetermined origin
-
evaluation of a prolonged APTT
Reference values
dependent on method |
Immunofluorescence method. |
negative |
ELISA |
|
|
Units |
negative |
< 10 |
U/ml |
positive |
> 10 |
U/ml |
Reference values
dependent on method: negative
Reference values (ELISA)
dependent on method |
< 20 EU |
negative |
20 – 39 EU |
weak positive |
40 - 59 EU |
moderate positive |
3 69 EU |
strong positive |
Reference values (ELISA)
dependent on method |
|
negative |
| |
|
|
(ANCA)
