M0300 IV Chelation Therapy HCPCS Reimbursement

HCPCS Level II code M0300 denotes IV chelation therapy (chemical endarterectomy), an intravenous procedure used to administer chelating agents aimed at binding and removing metals or mineral deposits from the vascular system. Nationally, this code matters for coverage policy, appropriate site-of-service billing, and clinical documentation when chelation is pursued as a treatment modality.

Key payers evaluated include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and the implications for billing and claims processing under common commercial and federal payers.

The publication covers benchmarks and payer coverage themes, relevant coding guidance, and policy considerations affecting reimbursement and prior authorization. It also summarizes typical documentation elements and clinical indications associated with IV chelation therapy. Where specific data elements were not provided in the source, the report notes that information as unavailable and focuses on universally applicable billing and clinical context for a national audience.

Billing Code Overview

HCPCS Level II code M0300 represents IV chelation therapy (chemical endarterectomy). This service involves the intravenous administration of chelating agents intended to bind and remove certain metals or mineral deposits from the bloodstream and vascular system.

Service type: Intravenous chelation therapy
Typical site of service: Hospital outpatient department, ambulatory infusion center, or other licensed infusion settings where IV therapies are administered

Data not available in the input.

Clinical Context

A 62-year-old male with a history of peripheral arterial disease and refractory angina is referred for intravenous chelation therapy (chemical endarterectomy) using EDTA-based infusion to remove vascular heavy metal deposits and reduce calcium burden. The patient presents to an outpatient infusion center or hospital outpatient department where vascular access is obtained via a peripheral IV or a central line if peripheral access is inadequate. Baseline vital signs, focused cardiopulmonary exam, and laboratory studies (basic metabolic panel, serum calcium, magnesium, renal function) are reviewed prior to infusion. The procedure typically requires continuous monitoring by nursing staff and periodic physician assessment for hemodynamic stability and potential adverse reactions. Post-infusion observation includes repeated vital signs, reassessment of renal function as indicated, and documentation of infusion start/stop times, agents and concentrations used, and total infusion duration. Clinical workflow elements include informed consent, verification of indication and ICD-10 diagnosis, preparation of the chelating agent in pharmacy, administration under nursing protocol, management of infusion-related adverse events, and documentation for billing using M0300 with applicable modifiers for service circumstances.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier reported	Use when no special reporting modifier applies to the service

Taxonomy Code	Specialty	Notes
`207Q00000X`	Cardiovascular Disease	Cardiologists who manage vascular disease and indications for chelation
`207K00000X`	Emergency Medicine	Emergency physicians managing acute adverse reactions or inpatient initiation
`364S00000X`	Vascular/Interventional Radiology	Interventional radiologists who may place central vascular access for infusion
`163W00000X`	Internal Medicine	Hospitalists and internists coordinating outpatient infusion services
`251B00000X`	Clinical Nurse Specialist	Nursing specialists who administer and monitor complex infusion therapies

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I70.2`	Atherosclerosis of native arteries of the extremities	Peripheral arterial disease is a common indication related to vascular calcium burden and symptoms managed with chelation in some clinical contexts
`I25.10`	Atherosclerotic heart disease of native coronary artery without angina pectoris	Coronary atherosclerosis may prompt consideration of adjunctive therapies such as chelation in select cases
`I63.9`	Cerebral infarction, unspecified	Patients with prior ischemic stroke and vascular disease may receive vascular-directed therapies as part of secondary prevention discussions
`E66.9`	Obesity, unspecified	Metabolic risk factors such as obesity often coexist with atherosclerotic disease and influence procedural risk
`N18.9`	Chronic kidney disease, unspecified	Renal function is critical to assess before chelation; CKD influences agent selection and dosing
`E78.5`	Hyperlipidemia, unspecified	Dyslipidemia is an associated comorbidity that relates to atherosclerotic disease burden
`I10`	Essential (primary) hypertension	Hypertension is a common comorbidity in patients undergoing vascular-directed therapies

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`96365`	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	Often used to report the initial hour of therapeutic intravenous chelation infusion if administration coding is required in conjunction with `M0300`
`96366`	Intravenous infusion, each additional hour (List separately in addition to code for primary procedure)	Used for each additional hour of chelation infusion beyond the first hour when multiple-hour administration is documented
`36415`	Collection of venous blood by venipuncture	Pre- and post-infusion laboratory draws to monitor electrolytes and renal function
`36000`	Introduction of needle or catheter into peripheral vein for injection, simple venous access	Peripheral IV placement for infusion when vascular access is performed specifically for the procedure
`36561`	Insertion of non-tunneled centrally inserted central venous catheter (for infusion)	When central venous access is required for administration of chelation agents due to peripheral access limitations

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Summary & Overview

HCPCS M0300: IV Chelation Therapy (Chemical Endarterectomy)