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Test Code FFRFT Anti-Synthetase Profile


Specimen Required


Collection Container/Tube: 10 mL Red

Submission Container/Tube: Plastic vial

Specimen Volume: 3 mL

Acceptable: SST

Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube is acceptable. Spin down and send 3 mL of serum refrigerated in a plastic vial.


Method Name

RIPA Gel Radiography; ELISA

Reporting Name

Anti-Synthetase Profile

Specimen Type

Serum

Specimen Minimum Volume

1 mL (volume does NOT allow for repeat testing)

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  60 days
  Ambient  7 days

Reject Due To

Gross hemolysis: Reject
Thawing: Warm OK; Cold OK
Gross lipemia: Reject
Gross icterus Reject
Other: Anything other than serum; bacterial contamination

Clinical Information

This Anti-Synthetase Profile is comprised of Anti-Jo-1 Ab, Anti-PL-7 Ab, Anti-PL-12 Ab, Anti-EJ Ab and Anti-OJ Ab. Anti-synthetase syndrome is an autoimmune disease characterized by interstitial lung disease (ILD), non-erosive arthritis, myositis, Raynaud’s phenomenon, unexplained fever and/or mechanic’s hands.

Reference Values

Anti-PL-7 Ab, Anti-PL-12 Ab, Anti-EJ Ab, Anti-OJ Ab:

Reference Range: Negative

 

Interpretation for:

Anti-Jo-1 Ab:

Reference Range: <20

Negative: <20 units

Weak Positive: 20-39 units

Moderate Positive: 40-80 units

Strong Positive: >80 units

Day(s) Performed

Monday through Friday

Report Available

16 to 25 days

Performing Laboratory

Esoterix Endocrinology

Test Classification

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

CPT Code Information

83516 x 4

86235