CPT® 0443U, Under Proprietary Laboratory Analyses
The Current Procedural Terminology (CPT®) code 0443U as maintained by American Medical Association, is a medical procedural code under the range - Proprietary Laboratory Analyses.
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Summary
This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code applies to only one unique lab test made by a specific manufacturer or performed by a specific lab. Report 0443U only for the Neurofilament Light Chain (NfL) test from the Neuromuscular Clinical Laboratory at Washington University in St. Louis School of Medicine. The test uses a serum (clear, liquid portion of blood) or cerebrospinal fluid sample to check for NfL, a biomarker of nerve cell injury. The method is ultrasensitive immunoassay.
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