Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

JO-1 ANTIBODY

Geisinger Epic Procedure Code:  LAB2566    Geisinger Epic ID:  33227

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Alternate collection container: 
6 mL red-top (plain, non-serum separator) tube
Specimen required: 

0.5 mL serum; minimum 0.2 mL



SPECIMEN PROCESSING
Processing instructions: 

Allow to clot. Centrifuge and submit 0.5 mL serum.


Transport temperature: 

Refrigerated (preferred). Room temperature (stable 8 hours) and frozen specimens also acceptable.


Specimen stability: 

Room temperature: 8 hours; 2-8 C: 48 hours. Frozen: 6 months.


Rejection criteria: 

Specimen stability exceeded; specimen grossly hemolyzed.



TEST DETAILS
Reference interval: 

Negative <7 U/mL


Interpretation guide: 

Negative <7 U/mL 
Equivocal 7-10 U/mL 
Positive >10 U/mL 
 


CPT code(s):  86235
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

JO1 Antibody testing.


Methodology: 
Enzyme Immunoassay (EIA)
Synonyms: 

JO1; Polymyositis antibody, JO1 Antibody, JO-1 Antibody


Clinical significance: 

A positive Jo-1 antibody can be used with other laboratory tests and clinical findings to aid in the diagnosis of anti-synthetase syndrome and other related inflammatory myositis conditions.


Doctoral Director(s): 
Benjamin Andress, PhD, DABCC
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Review Date:  01/14/2025

Performing Locations