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Test Code 37053; SQ: ANTHUQ Hu Antibodies, with reflex to Western Blot and Titer, Serum (Quest)

Important Note

  • If Hu Antibody Screen, IFA is positive, then Hu Antibody, WB will be performed at an additional charge (CPT code(s): 84181).
    If Hu Antibody, WB is positive, then Hu Antibody Titer will be performed at an additional charge (CPT code(s): 86256).

Specimen Collection Instructions

Overnight fasting is preferred.

1 mL serum (0.2 mL minimum volume) collected in a gold top (SST) or red top tube. Must be spun after collection and aliquoted into transport tube container. Specimen should be sent at room temperature to Quest. 

 

Stability

Room temperature: 7 days

Refrigerated: 14 days

Frozen: 21 days

Methodology

Immunofluorescence Assay (IFA) 

Western Blot (WB)

Reference range(s)

Hu Ab Screen, IFA Negative
  Hu Ab, WB Negative
  Hu Ab Titer <1:40