Sm/RNP Antibody




Test Mnemonic

NRNP

CPT Codes

  • 86235 - QTY (1)
  • 86235 - QTY (1)

LOINC ®

14030-1

Performing Laboratory

Quest Diagnostics (Specialty)


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) Refrigerated 

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumNo additive (Red)   

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
Ambient4 days
Refrigerated7 days
Frozen30 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).