DNA (ds) Antibody, Crithidia with Reflex

Overview

  • EPIC Code:
  • LAB2941
  • Soft Test Code:
  • DNADR
  • Send Out Test Code:
  • 37092
Alternate Names
  • Crithidia Luciliae Substrate Assay
  • DNA (ds) Antibody, Crithidia IFA with Reflex to Ti
  • DNA Ab, Crithidia w/ Reflex Titer
Clinical Significance

dsDNA Antibody is detected in patients with active systemic lupus erythematosus (SLE) and approximately 20% of patients with mixed connective tissue disease.


Specimen Collection & Preparation

Patient Preparation

Overnight Fasting is preferred


Specimen Requirements

1.0 mL Serum from a Red Top Tube in a Plastic Vial


Alternate Specimen

1.0 mL Serum from a SST Gold Top Tube


TransportAndStorage

7 days Ambient
16 days Refrigerated
35 days Frozen


Collection Instructions

 


Minimum Volume

0.2 mL Serum


Neonatal Volumne

Clinical Interpretation

Reference Range:

Negative


Test Comments:

If the DNA (ds) Antibody Screen is positive, DNA (ds) Antibody Titer will be performed at an additional charge (CPT code(s): 86256).


Methodology:
  • Immunofluorescence Assay (IFA)

Clinical Significance

dsDNA Antibody is detected in patients with active systemic lupus erythematosus (SLE) and approximately 20% of patients with mixed connective tissue disease.


Production Schedule

Sites Performed
  • Quest - Chantilly to San Juan Capistrano
Days Performed
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Sendouts - Clinical
Turn Around Time

1 to 3 days


Coding & Compliance

CPT Coding

86255