Sign in →

Test Code JO1 Jo 1 Antibodies, IgG, Serum

Reporting Name

Jo 1 Ab, IgG, S

Useful For

Evaluating patients with signs and symptoms compatible with a connective tissue disease, especially those patients with muscle pain and limb weakness, concomitant pulmonary signs and symptoms, Raynaud phenomenon, and arthritis

 

Testing for antibodies to Jo 1 is not useful in patients with a negative test for antinuclear antibodies

Testing Algorithm

See Connective Tissue Disease Cascade (CTDC) in Special Instructions.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.35 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reference Values

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

Day(s) and Time(s) Performed

Monday through Saturday; 4 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86235

LOINC Code Information

Test ID Test Order Name Order LOINC Value
JO1 Jo 1 Ab, IgG, S 33571-1

 

Result ID Test Result Name Result LOINC Value
JO1 Jo 1 Ab, IgG, S 33571-1

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Method Name

Multiplex Flow Immunoassay