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Test ID: ENCES    
Encephalopathy, Autoimmune Evaluation, Serum

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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-AChR ganglionic neuronal antibody

83519-Neuronal VGKC autoantibody

83519-N-type calcium channel antibody

83519-P/Q-type calcium channel antibody















84182-Amphiphysin Western blot (if appropriate)

84182-CRMP-5 Western blot confirmation (if appropriate)

84182-Paraneoplastic autoantibody Western blot confirmation (if appropriate)

86255-NMO/AQP4-IgG CBA (if appropriate)

86256-AMPAR-Ab titer (if appropriate)

86256-GABAR-Ab titer (if appropriate)

86256-NMDAR-Ab titer (if appropriate)

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

Result IDReporting NameLOINC Code
61516NMDA-R Ab CBA, SIn Process
61518AMPA-R Ab CBA, SIn Process
61519GABA-B-R Ab CBA, SIn Process
34257Encephalopathy, Interpretation, SIn Process
89080AGNA-1, S53709-2
81722Amphiphysin Ab, S33927-5
80150ANNA-1, S13997-2
80776ANNA-2, S43188-2
83137ANNA-3, S33924-2
8338ACh Receptor (Muscle) Binding Ab11034-6
81184N-Type Calcium Channel Ab33979-6
81185P/Q-Type Calcium Channel Ab33980-4
83077CRMP-5-IgG, S35386-2
84321AChR Ganglionic Neuronal Ab, S42233-7
81596GAD65 Ab Assay, S30347-9
83138PCA-2, S33925-9
9477PCA-1, S53717-5
83076PCA-Tr, S33926-7
89165Neuronal (V-G) K+ Channel Ab, S41871-5
36349Reflex AddedN/A

LOINC and CPT codes are provided by the performing laboratory.