Acetylcholine receptor (AChR) modulating antibodies

Alphabetical Test listing

Acetylcholine receptor (AChR) modulating antibodies-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Acetylcholine receptor complete antibody profile
Myasthenia Gravis evaluation complete profile

Useful for:

Diagnose myasthenia gravis (MG)
Monitor response to treatment of myasthenia gravis

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

0.5 mL

Minimum volume:

0.3 mL
Note: This volume does not allow for repeat testing

Processing instructions:

Spin

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube, 5 mL

Alternate processing instructions:

Spin and separate serum from cells within 45 minutes of collection
Transfer separated serum to a Transfer vial/tube with cap - 12mL (LabCorp)

Alternate transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 7 days

Refrigerated - 14 days

Frozen - 2 months

Reason for rejection:

Improper labeling
Gross microbial contamination
Specimen contaminated with anticoagulants
Chylous serum
Plasma specimen
Excessive hemolysis

Performing lab:

LabCorp Burlington (085933): R-NX

Days set up:

Mo, We, Fr

TAT:

2 - 4 days

Method:

Cell culture-based radioimmunoassay (RIA)

Reference ranges:

Negative: 0.00 - 0.24 nmol/L

CPT codes:

83519

LOINC code:

Result 30192-9

Date created:

10/01/2019

Revised date:

04/12/2021

Review date:

06/03/2020