BLUF: lineblot is highly prone to FP and FN results. IP is best overall, but ELISA is a faster, acceptable non-IP alternative.
Modality ranked by highest to lower specificity:
Modality ranked by highest to lower sensitivity:
| lab | test_name | link | antibodies | test_modality | notable_feature |
|---|---|---|---|---|---|
| Labcorp | anti-synthetase profile | https://www.labcorp.com/tests/520193/anti-synthetase-profile-rdl | Anti-EJ Ab; Anti-Jo-1 Ab; Anti-OJ Ab; Anti-PL-7 Ab, Anti-PL-12 Ab | ELISA and RIPA | RIPA has superior sensitivity for detecting anti-OJ |
| Labcorp | MyoMarker® 3 Plus Profile |