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CPT 80053: Comprehensive Metabolic Panel (CMP)
CPT code 80053 denotes a Comprehensive Metabolic Panel (CMP), a common laboratory test that quantifies 14 blood chemistry analytes to evaluate electrolyte balance, renal function, liver function, glucose, and protein status. The CMP is widely used in outpatient and inpatient settings for chronic disease monitoring, routine health assessments, and acute medical evaluations. Nationally, the CMP is a high-volume clinical laboratory service with implications for chronic disease management, population health surveillance, and laboratory billing practices.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for ordering a CMP, comparisons to related panels such as the Basic Metabolic Panel (80048) and Hepatic Function Panel (80076), and typical sites of service for provision. The publication also outlines common diagnostic pairings used with this panel (for example, diabetes and kidney disease codes) and lists associated physician and laboratory taxonomies relevant to billing and credentialing.
This executive summary prepares clinicians, billing staff, and policy analysts to understand where 80053 fits within laboratory service lines, payer coverage considerations, and operational workflows for high-volume metabolic testing.
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Billing Code Overview
CPT code 80053 describes a Comprehensive Metabolic Panel (CMP), a blood test panel that measures 14 chemical analytes to assess metabolic function. The panel commonly includes evaluations of electrolytes, kidney function, liver enzymes, glucose, and protein status.
Service Type: Laboratory diagnostic test (comprehensive metabolic panel)
Typical Site of Service: Clinical laboratory or hospital outpatient laboratory
National Reimbursement Benchmarks
National commercial reimbursement for CPT 80053 centers around BUCA’s average commercial benchmark of $44.3, with individual payers showing meaningful spread. Blue Cross Blue Shield posts the highest central tendency (median $63.2) and a long upper tail (max $394.6), while Aetna and Cigna sit lower with medians near $11.6 and $9.5 respectively. UnitedHealth Group’s median of $7.9 and mean of $10.8 align it with lower-cost payers, and BUCA’s mean offers a mid-market reference point at $44.3.
Rate dispersion measured as P75 minus P25 highlights variability: Blue Cross Blue Shield is the widest with a spread of $51.6 ($85.4 - $34.8), reflecting substantial heterogeneity across contracts. Aetna and BUCA show moderate dispersion at $13.0 ($21.1 - $8.0) and $13.0 ($55.8 - $22.8) respectively, while UnitedHealth Group is relatively tight at $6.4 ($12.7 - $6.3) and Cigna also tight at $8.9 ($14.9 - $6.1). These comparisons signal which payers concentrate rates and which exhibit broader contractual variability.