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Test ID: MGETH    
Myasthenia Gravis (MG) Evaluation, Thymoma

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Test Classification Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer's instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR), Investigation Use Only (IUO) product, or a Research Use Only (RUO) product.

This test was developed and its performance characteristics determined by Laboratory Medicine and Pathology, Mayo Clinic. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

83519-ACh receptor (muscle) binding antibody

83519-ACh receptor (muscle) modulating antibodies

83519-AChR ganglionic neuronal antibody

83519-Neuronal (V-G) K+ channel autoantibody

83520-Striational (striated muscle) antibodies

84182-CRMP-5-IgG Western blot

86341-GAD65 antibody assay

LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and result codes of this test.

Result IDTest Result NameResult LOINC Code
8338ACh Receptor (Muscle) Binding Ab11034-6
8879ACh Receptor (Muscle) Modulating Ab30192-9
83107CRMP-5-IgG Western Blot, S47401-5
84321AChR Ganglionic Neuronal Ab, S42233-7
81596GAD65 Ab Assay, S30347-9
8746Striational (Striated Muscle) Ab, S8097-8
89165Neuronal (V-G) K+ Channel Ab, S41871-5

LOINC and CPT codes are provided by the performing laboratory.