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Test ID BLOD0306 Jo 1 Antibodies, IgG, Serum

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.

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.35 mL

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross reject

Icterus

Mild OK; Gross OK

Other

NA

Specimen Stability Information

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

Day(s) and Time(s) Performed

Monday through Saturday; 4 p.m.

Analytic Time

1 day

Method Name

Multiplex Flow Immunoassay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86235

Reporting Name

Jo 1 Ab, IgG, S

Testing Algorithm

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

Reference Values

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

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.

Secondary ID

80179
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
17291 Jo 1 Ab, IgG