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Lab Test Dictionary

Extended Myositis Specific Antibody (MSA) Panel (10257)


Chemiluminescent Immunoassay, Enzyme Linked Immunosorbent Immunoassay (ELIZA), Line Blot

Specimen Type


Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days

Tues, Thurs, Sat

Standard TAT

2 to 5 days

Collection Information

Specimen Required

5 mL blood

Container Type

Red top (no gel)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=48 hours, Refrigerated=14 days, Frozen=14 days

Rejection Criteria

Moderate to gross hemolysis, Received room temp, Serum separator tube

Test Volume Required

1.5 mL serum

Minimum Test Volume

0.9 mL serum

Included Tests

Jo-1 Ab, PL-7 Ab, PL-12 Ab, EJ Ab, OJ Ab, SRP Ab, Mi-2 Alpha Ab, Mi-2 Beta Ab, MDA5 Ab, TIF1 Gamma Ab, NXP-2 Ab, HMGCR Ab IgG, cN 1A Ab IgG


(not genetic)

CPT Codes

84182 x6, 86235 x5, 83520, 83516


CS 3/19/24