A work relative value unit (wRVU) is a standardized measure of physician clinical effort assigned by CMS to every CPT procedure code, used as the basis for physician productivity tracking and productivity-based compensation models in ambulatory medicine.
A work relative value unit (wRVU) is a numeric weight assigned by the Centers for Medicare and Medicaid Services (CMS) to each CPT code to quantify the physician work involved — including time, cognitive effort, technical skill, and physical effort — independent of payer reimbursement, practice location, or overhead costs. CMS updates the wRVU schedule annually through Medicare Physician Fee Schedule rulemaking, with new values taking effect each January. In a wRVU-based compensation model, a physician's total production is calculated by summing the wRVU values of all CPT codes documented across their encounters, then multiplying by a dollar-per-wRVU conversion factor set by the practice. wRVU is the preferred productivity metric in ambulatory medicine because it enables fair comparison across providers, specialties, and geographic markets — factors that distort alternative metrics such as collections per visit. The MGMA Physician Compensation and Production Report publishes national and specialty-specific wRVU benchmarks that practices use to establish compensation targets and assess individual provider performance.
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