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Test Code JO1AB Jo 1, Ab

Additional Codes

Meditech Order: JO1AB

Panel Order:ENAE

Intended Use

EliA Jo-1 is intended for the in vitro semi-quantitative measurement of IgG antibodies
directed to Jo-1 in human serum and plasma (Li-heparin, EDTA) as an aid in the clinical
diagnosis of polymyositis / dermatomyositis in conjunction with other laboratory and clinical
findings. EliA Jo-1 uses the EliA IgG method on the instrument Phadia 250

Performing Lab

Boone Health Laboratory

Collection Method

Venous Collection

Container

Gold Serum Tube

Instructions/Special Handling

None

Preferred Specimen

Gold SST Serum Tube

Red Serum

Acceptable Specimes

  • Plasma
    • Lithium Heparin
    • EDTA

Units

EliA U/mL

Reference Ranges

<7 Negative
>10 Positive
7-10 Equivoval (recommend retesting after 8-12 weeks)
>240 >240 EliA U/mL

 

Critical Values

N/A

Reasons for Rejection

Hemolysis no hemolysis
Icterus  
Lipemia no lipemia
Other Contaminated specimen, QNS, Improperly labeled, Improper specimen type

 

Specimen Stability

Ambient (15-25°C) 8 hours
Refrigerated (2-8°C) 14 days
Frozen (-20°C) 12months (only one freeze thaw cycle)

 

Performance Information

Days/Times Performed Monday, Wednesday and Friday
Expected Turn around Time 1-3 days
Methodology/Method Description EliA IgG

CPT Code(s)

86235