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Laboratory Test Directory

Double Stranded DNA Antibody, (Crithidia) Titer

Components

Name Method Department Units
Crithidia (IFA) Titer Immunofluorescent assay
CMI, Immunology Titer

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Room temperature - 1 hour(s)
Refrigerated - 1 week(s)

Specimen Preparation

  • Ship entire specimen to laboratory refrigerated
  • Collect by venipuncture
  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Refrigerated - 1 week(s)
Frozen - 12 month(s)

Specimen Preparation

  • Collect by venipuncture
  • Allow to clot completely at room temperature
  • Transport to laboratory as soon as possible
  • Centrifuge, remove plasma/serum and refrigerate

Reasons for Rejection

  • Capillary specimen
  • Wrong collection tube
  • Bacterial contamination
  • Gross hemolysis
  • Gross lipemia

Comments

The reference range is Titer less than 1:10 (TTL10).

Positive screens will be titered.

CPT Code

  • 86256