Sm/RNP Antibody
Test Mnemonic
NRNP
CPT Codes
- 86235 - QTY (1)
- 86235 - QTY (1)
LOINC ®
14030-1
Performing Laboratory
Quest Diagnostics (Specialty)
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 4 days |
| Refrigerated | 7 days |
| Frozen | 30 days |
Days Performed
Mon - Sat
Turnaround Time
3 - 5 days
Methodology
| Name | Description |
|---|---|
| Immunoassay (IA) |
Reference Range
| NRNP/SM IgG Autotantibodies | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| < 1.0 Units |
Special Info
Grossly hemolyzed, grossly lipemic, or grossly icteric specimens will be rejected.
Clinical Info
Smith (Sm)/U1-RNP Antibody is detected in patients with mixed connective tissue disease (having features of systemic lupus erythematosus (SLE), scleroderma, and polymyositis).