CPT codes and LOINC update: March 2024

The following list includes updates posted to Mayo Clinic Labs during the month of March:

CPT Code and Test Classification Updates

Test IDTest NameUpdated
PHTDP
71482
Phosphorylated TDP43 Immunostain, Technical Component Only
CPT Code Information
3/28/2024 8:02pm
PAX8
70534
PAX8 Immunostain, Technical Component Only
CPT Code Information
3/28/2024 8:02pm
PCEAI
70535
Carcinoembryonic Antigen, Polyclonal Immunostain, Technical Component Only
CPT Code Information
3/28/2024 8:02pm
MBX
70594
Muscle Pathology Consultation
Test Classification
3/28/2024 10:03am
P40NA
70526
p40 + Napsin A Immunostain, Technical Component Only
Test Classification
3/27/2024 10:24am
P16
70524
p16 (INK4a/CDKN2A) Immunostain, Technical Component Only
Test Classification
3/27/2024 10:24am
MCMRU
608379
Mast Cell Mediators, Random, Urine
CPT Code Information
3/22/2024 3:08pm
MCM24
608378
Mast Cell Mediators, 24 Hour, Urine
CPT Code Information
3/22/2024 3:08pm
BALMF
614215
B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Specified FISH, Varies
CPT Code Information
3/22/2024 3:07pm
CGPH
605198
Custom Gene Panel, Hereditary, Next-Generation Sequencing, Varies
CPT Code Information
3/22/2024 3:07pm
PGN
65119
Pregabalin, Serum
CPT Code Information
3/22/2024 3:05pm
CHFXH
64922
Chromosome Analysis, Hematologic Disorders, Fixed Cells
CPT Code Information
3/22/2024 3:04pm
FGF1F
58124
FGFR1 (8p11.2) Amplification, FISH, Tissue
Test Classification
3/22/2024 3:04pm
FGF1F
58124
FGFR1 (8p11.2) Amplification, FISH, Tissue
Test Classification
3/18/2024 3:02pm
ALBSF
68001
Albumin, Spinal Fluid
Test Classification
3/13/2024 3:04pm

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.

Michael Hutchison