Myathenia gravis evaluation withMuSK Reflex
General Information
HLAB/HOL Code: MGMR
UPHSM LIS Test #:
Schedule:
Testing Time: 3-10 Days
Testing Lab: Mayo
UPHSM LIS Test #:
Schedule:
Testing Time: 3-10 Days
Testing Lab: Mayo
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 3.0 mL
Temperature: Refrigerated
Tube Type: Serum
Collection Info:
Patient Preparation: For optimal antibody detection, specimen collection is recommended prior to initiation of immunosuppressant medication.
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Temperature: Refrigerated
Tube Type: Serum
Collection Info:
Patient Preparation: For optimal antibody detection, specimen collection is recommended prior to initiation of immunosuppressant medication.
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Acceptability
REJECT DUE TO:
Gross hemolysis: Reject
Gross lipemia: Reject
Gross icterus: Reject
Gross hemolysis: Reject
Gross lipemia: Reject
Gross icterus: Reject
Methods
ARBI, MUSK: Radioimmunoassay (RIA)
ACMFS: Flow Cytometry
ACMFS: Flow Cytometry
Clinical Utilities
Diagnosis for autoimmune myasthenia gravis (MG) in adults and children
Distinguishing autoimmune from congenital MG in adults and children or other acquired forms of neuromuscular junction transmission disorders
Establishing a quantitative baseline value that allows comparison with future levels if weakness is worsening
Distinguishing autoimmune from congenital MG in adults and children or other acquired forms of neuromuscular junction transmission disorders
Establishing a quantitative baseline value that allows comparison with future levels if weakness is worsening
CPT Codes
83519
86255 (if appropriate)
83519 (if appropriate)
86255 (if appropriate)
83519 (if appropriate)
* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
