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Test Code JO1 Anti-Jo-1 Antibody

Important Note

Used as an aid in the clinical diagnosis of Polymyositis/Dermatomyositis.

Additional Codes

Ordering Mnemonic
JO1

 

Methodology

Fluoroenzyme Immunoassay

Performing Laboratory

Holland Hospital Laboratory Services

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred Specimen-Serum

Container/Tube: Serum gel (SST) tube

Specimen Volume: 1 mL of serum

Collection Instructions:

Note: 1. Indicate serum.

2. Label specimen appropriately (serum).

 

Alternate specimens-Plasma

Container/Tube: Mint-top (lithium heparin) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

Container/Tube: Lavendar-top (EDTA) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

Container/Tube: Blue-top (sodium citrate) tube

Specimen Volume: 1 mL of plasma

Collection Instructions:

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

 

Specimen Transport Temperature

Refrigerate, freeze if >48 hrs.

Day(s) Test Set Up

Wednesday and Friday

Test Classification and CPT Coding

86235 (HH Bill Code 0205686)

Reference Values

Negative for Jo1  < 7 EliA U/ml

Equivocal for Jo1  7-10 EliA U/ml

Positive for Jo1  > 10 EliA U/ml