Summary & Overview
HCPCS A4765: Peritoneal Dialysate Concentrate Powder, Per Packet
HCPCS Level II code A4765 represents a powdered dialysate concentrate additive used to prepare peritoneal dialysis solution, packaged per packet. This supply is essential to peritoneal dialysis therapy, supporting home-based and clinic-based exchanges for patients with end-stage renal disease and other indications requiring peritoneal clearance. Nationally, the code matters for durable medical equipment and supply reimbursement, coverage determinations, and clinical protocols for peritoneal dialysis supply management.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of coverage considerations, common billing modifiers, and the typical sites of service where A4765 is used. The publication summarizes benchmarking and reimbursement context, highlights policy and coding updates affecting supply billing, and provides clinical context for use of powdered dialysate concentrates in ambulatory and home settings.
The analysis focuses on national payer treatment and billing practice implications rather than state-specific rules. Where available, benchmarking data and policy changes relevant to peritoneal dialysis supplies are summarized to inform billing and revenue cycle stakeholders, clinicians managing home dialysis supply chains, and compliance teams.
Billing Code Overview
HCPCS Level II code A4765 describes dialysate concentrate, powder, additive for peritoneal dialysis, per packet. The service type is medical supply for peritoneal dialysis therapy, used to prepare dialysate solution for intraperitoneal administration. The typical site of service is home dialysis settings and outpatient peritoneal dialysis clinics, where patients or clinicians mix the powdered concentrate into sterile solution for exchanges.
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with end-stage renal disease (ESRD) or chronic kidney disease managed with peritoneal dialysis (PD). The patient performs outpatient automated or continuous ambulatory peritoneal dialysis at home or receives PD in an outpatient dialysis center. A clinician prescribes dialysate concentrate in powdered packet form (A4765) to be reconstituted into the PD solution prior to each exchange. The clinical workflow includes prescription and procurement of A4765 packets by the dialysis clinic or home infusion supplier, patient/caregiver education on reconstitution and aseptic technique, verification of packet lot and expiration at each use, documentation of batch and packet count in the dialysis record, and monitoring for signs of peritonitis or inadequate ultrafiltration.
Typical site of service: outpatient dialysis center, home (home peritoneal dialysis), or outpatient infusion/pharmacy dispensing site.
Typical patient scenario: a 62-year-old patient with ESRD secondary to diabetes mellitus performs four exchanges daily at home; the nephrology team prescribes powdered dialysate concentrate (A4765) packets that are reconstituted into 2-liter bags for each exchange. The home dialysis nurse reviews technique, documents supply dispensing, and the pharmacy invoices the supplier for A4765 packets per packet used.
Coding Specifications
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