Test Overview
Test Methodology
EIA
Test Usage
Anti-MDA5 antibodies are present in 7-35% of adult DM. Features consist of absent or mild muscle symptoms (CADM); associated with rapidly progressive ILD; specific mucocutaneous features of skin ulcerations and papules; higher risk of oral ulcerations and arthritis.
Test Details
Analytic Time
7 days
Soft Order Code
LMDA5
MiChart Code
Anti-MDA5
Synonyms
- Anti-MDA5
- MDA-5 (P140) (CADM-140)
Laboratory
Sendout
Reference Laboratory
Labcorp (Exoterix # 520002)
Section
Special Testing
Specimen Requirements
Collection
Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum
Additional Information
Test sent to Labcorp Dublin; performed by Esoterix Endocrinology
Billing
CPT Code
83520
Fee Code
AA298