Sign in →

Test ID 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


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

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

14 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


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FFRFT Anti-Synthetase Profile Not Provided


Result ID Test Result Name Result LOINC Value
Z5782 Anti-Jo-1 Ab 35333-4
Z5783 Anti-PL-7 Ab 33772-5
Z5837 Anti-PL-12 Ab 33771-7
Z5823 Anti-EJ Ab 45149-2
Z5824 Anti-OJ Ab 45152-6