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Test Code LAB0203984 Antibody to Extractable Nuclear Antigen, Serum

Methodology

EliA

Useful for evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive.

 

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

 

Specimen Type: Serum

Container/Tube:

Preferred:  Serum gel or red top

Acceptable:  Green top (Lithium Heparin)

Specimen Volume: 1.0 mL

 

Specimen Transport Temperature

Refrigerated ( serum removed within 8 hours and testing will be performed in less than 48 hours).

Frozen if testing will not be completed within 48 hours

Reference Values

JO 1 Antibodies, IgG

Negative:   (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

 

Scl 70 Antibodies, IgG

 Negative:   (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

 

Sm Antibodies, IgG:

Negative:  (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

 

SS-A/Ro Antibodies, IgG:

Negative:  (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

 

SS-B/La Antibodies, IgG:

Negative:  (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

 

U1RNP Antibodies, IgG:

 

Negative:  (<7 U/ml)

Equivocal : (7-10 U/ml)

Positive:     (>10 U/ml)

Day(s) Test Set Up

Monday through  Friday

Test Classification and CPT Coding

86235 x6