CPT codes and LOINC update: May 2021 
    
        By  MCL Education  •  June 1, 2021    
    
    
 
The following list includes updates posted to mayocliniclabs.com  during the month of May:
CPT Code and Test Classification Updates Test ID Test Name Updated FC3AR C3a Level By RIA 5/27/2021 10:05am METR1 Cytochrome b5 Reductase Enzyme Activity, Blood 5/19/2021 3:05pm NAGR Hexosaminidase A and Total, Leukocytes/Molecular Reflex, Whole Blood 5/17/2021 10:02am AIAES Autoimmune Axonal Evaluation, Serum 5/11/2021 10:04am PCDES Pediatric Autoimmune Central Nervous System Disorders Evaluation, Serum 5/11/2021 10:04am DYS2 Autoimmune Dysautonomia Evaluation, Serum 5/11/2021 10:04am ENS2 Encephalopathy, Autoimmune Evaluation, Serum 5/11/2021 10:04am MAS1 Autoimmune Myelopathy Evaluation, Serum 5/11/2021 10:04am EPS2 Epilepsy, Autoimmune Evaluation, Serum 5/11/2021 10:04am GID2 Autoimmune Gastrointestinal Dysmotility Evaluation, Serum 5/11/2021 10:04am DMS2 Dementia, Autoimmune Evaluation, Serum 5/11/2021 10:04am MDS2 Movement Disorder, Autoimmune Evaluation, Serum 5/11/2021 10:04am PAVAL Paraneoplastic, Autoantibody Evaluation, Serum 5/11/2021 10:01am PNEFS Neuroimmunology Antibody Follow-up, Serum 5/11/2021 10:01am CLLDF Chronic Lymphocytic Leukemia (CLL), Diagnostic FISH, Varies 5/05/2021 8:06pm CLLMF Chronic Lymphocytic Leukemia (CLL), Specified FISH, Varies 5/05/2021 8:06pm PSTF Protein S Antigen, Plasma 5/03/2021 3:02pm 
LOINC Updates Logical Observation Identifiers Names and Codes (LOINC® ) is clinical terminology that is important for laboratory test orders and results, and is one of a suite of designated standards for use in U.S. federal government systems for the electronic exchange of clinical health information.
Mayo Clinic Laboratories systematically assigns LOINC values to its assays, as provided in the following spreadsheet.