CPT 84300 — Assay of urine sodium (2026 RVU Values)
CPT code 84300 (Assay of urine sodium) is published in the 2026 CMS Physician Fee Schedule. Use this page as a reference for billing, productivity tracking, and compensation modeling.
CPT code 84300 (Assay of urine sodium) is published in the 2026 CMS Physician Fee Schedule. Use this page as a reference for billing, productivity tracking, and compensation modeling.