A4740 Shunt Accessory HCPCS — Reimbursement | OpenPayer

Summary & Overview

HCPCS Level II A4740: Shunt Accessory for Hemodialysis, Each

HCPCS Level II code A4740 identifies a shunt accessory used for hemodialysis access. These accessories support vascular access function and are supplied per item. Nationally, items coded with A4740 are relevant to dialysis providers, outpatient infusion and dialysis centers, and payer durable medical equipment policies that govern coverage and reimbursement for dialysis-related supplies. The code matters because supply utilization and correct coding affect claim adjudication, inventory tracking, and patient access to necessary dialysis components.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise outline of the clinical context for the code, common settings where the item is used, payer landscape, and what to expect in terms of coverage policy variation. The publication provides benchmarks and policy updates where available, clarifies billing and service-line alignment for dialysis supply management, and highlights areas where payers commonly require documentation or specific billing practices. Data not available in the input for associated taxonomies, ICD-10 diagnoses, related codes, and service-line detail is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareA4740HCPCS Level IIhemodialysisdialysis suppliesvascular accessdurable medical equipmentoutpatient dialysisbilling and coding

Billing Code Overview

HCPCS Level II code A4740 describes a shunt accessory, for hemodialysis, any type, each. This item is a disposable or reusable component used in the maintenance or use of vascular access shunts for patients undergoing hemodialysis. Service type: Durable medical supply/accessory for dialysis access.

Typical site of service: Dialysis center or outpatient facility where hemodialysis is performed. Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A patient with end-stage renal disease (ESRD) maintained on maintenance hemodialysis presents for outpatient vascular access evaluation and maintenance. The patient has a surgically created arteriovenous fistula (AVF) or prosthetic arteriovenous graft (AVG) and requires accessory components for use with the dialysis circuit, such as needle guards, stainless steel or plastic shunts, clamps, or other single-use shunt accessories billed individually as A4740. Typical workflow: pre-dialysis nursing assessment identifies need for a replacement or additional shunt accessory due to wear, contamination, or incompatibility with existing equipment. The device is supplied and attached at the dialysis center (outpatient dialysis unit or hospital-based dialysis clinic) prior to initiation of hemodialysis. Documentation includes the device description, manufacturer/model if available, indication for replacement, the date and time supplied, the dialysis treatment record, and linkage to the dialysis encounter.

Typical site of service

Outpatient dialysis facility or hospital-based dialysis unit

Typical patient scenario

A 62-year-old patient on thrice-weekly hemodialysis with a tunneled AV graft experiences a leaking hub on a hemodialysis connector. Nursing replaces the single-use shunt accessory (needle guard/connector) during the pre-treatment setup and documents the accessory as A4740 on the dialysis encounter. The device is billed per item, with clinical notes describing reason for replacement and serial number or lot when available.

Coding Specifications

HCPCS A4233: Replacement Alkaline Battery for Home Glucose Monitor

HCPCS-A6211-FOAM-WOUND-DRESSING-PAD-GT-48SQIN-NO-ADHESIVE

HCPCS A6211: Foam Wound Dressing, Pad >48 sq in, No Adhesive Border

HCPCS-A4407-OSTOMY-SKIN-BARRIER-FLANGED-EXTENDED-WEAR-CONVEX-4X4

HCPCS A4407: Ostomy Skin Barrier with Flange, Extended Wear

HCPCS-A4627-SPACER-RESERVOIR-METERED-DOSE-INHALER

HCPCS A4627: Spacer or Reservoir for Metered Dose Inhaler

HCPCS-A4608-TRANSTRACHEAL-OXYGEN-CATHETER

HCPCS Level II A4608: Transtracheal Oxygen Catheter, Each

HCPCS-A4270-DISPOSABLE-ENDOSCOPE-SHEATH

HCPCS A4270: Disposable Endoscope Sheath, Each

HCPCS-A4545-TIBIAL-NERVE-STIMULATOR-SUPPLIES-ACCESSORIES-1-MONTH

HCPCS A4545: Supplies for External Tibial Nerve Stimulator, 1 Month

HCPCS-A6552-BELOW-KNEE-30-40MMHG-COMPRESSION-STOCKING

HCPCS A6552: Below-Knee Gradient Compression Stocking, 30-40 mmHg

HCPCS-A6600-GRADIENT-COMPRESSION-FOAM-SHEET-250-SQCM

HCPCS A6600: Gradient Compression Foam Sheet, 250 sq cm

HCPCS-A6519-GRADIENT-COMPRESSION-GARMENT-NIGHTTIME

HCPCS Level II A6519: Gradient Compression Garment, Nighttime Use

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`00`	No modifier	Use when no modifier applies and payer requires a default two-character modifier of on-file billing systems.
`22`	Increased procedural services	Use when supplying an accessory as part of a more complex procedure that required substantially greater resources (rare for simple accessory billing).
`52`	Reduced services	Use when the accessory is only partially used or a reduced service related to the billed item occurred.
`53`	Discontinued procedure	Use when the dialysis procedure is discontinued after accessory was provided and documentation supports discontinuation.
`62`	Two surgeons	Use when two qualified professionals are involved in device placement or complex vascular access requiring both surgeons.
`80`	Assistant surgeon	Use when an assistant surgeon is billed for a surgical procedure associated with access placement where the accessory was used.
`82`	Assistant surgeon (when qualified resident surgeon not available)	Use when an assistant surgeon is required and a resident is not available.
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery	Use when an APP serves as assistant during vascular access surgery tied to accessory use.
`CO`	Services related to end-stage renal disease (ESRD) composite rate (dialysis)	Use for items or services that may be reported in conjunction with ESRD composite payment considerations per payer rules.
`FY`	Item furnished without charge to the patient	Use when accessory is provided free of charge and payer requires reporting for inventory or crosswalk reasons.
`NU`	New equipment	Use when the billed accessory is new, original equipment, per supplier reporting requirements.
`QK`	Medical direction of two, three, or four qualified individuals	Use when the physician directs multiple individuals in a procedure involving device use.
`QX`	CRNA service with medical direction by physician	Use when a certified registered nurse anesthetist provides services under physician direction during access surgery.
`RR`	Recovery room	Use when accessory-related activity requires documented recovery services billed separately.

Taxonomy Code	Specialty	Notes
`363A00000X`	Vascular Surgery	Commonly performs AVF/AVG creation, revision and related accessory selection.
`207L00000X`	Nephrology	Oversees dialysis care and vascular access management decisions.
`174400000X`	Dialysis Facility/Clinic	Location-based taxonomy representing outpatient hemodialysis providers who supply accessories.
`208000000X`	General Surgery	May perform access surgery and associated accessory use.
`208VP0000X`	Interventional Radiology	Performs percutaneous access interventions and may use specialized shunt accessories.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`N18.6`	End stage renal disease	Primary indication for maintenance hemodialysis and frequent need for shunt accessories during dialysis sessions.
`I77.3`	Arteriovenous malformation	May affect vascular access planning and use of specialized shunt accessories during procedures.
`T82.4XXA`	Infection and inflammatory reaction due to internal vascular device, initial encounter	Infections of access devices may necessitate replacement of accessory components billed as `A4740`.
`T82.7XXA`	Broken implanted vascular device, initial encounter	Mechanical failure of implanted access components leading to replacement accessories.
`Z99.2`	Dependence on renal dialysis	Status code indicating chronic dialysis dependence where accessories are routinely used and billed.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36901`	Introduction of needle(s) and/or catheter(s), dialysis circuit, including imaging when performed; for hemodialysis access	May be performed when establishing or revising dialysis access; `A4740` accessories are used during cannulation or access procedures.
`36818`	Vessel dialysis access, graft; revision including thrombectomy, when performed	Surgical revision of an AVG where shunt accessories may be replaced or supplied intraoperatively.
`36830`	Creation of arteriovenous fistula, by direct arteriovenous anastomosis; upper arm	Creation of AVF where initial or replacement accessories for cannulation will later be used in dialysis sessions.
`36147`	Introduction of needle and/or catheter into extracorporeal circuit for hemodialysis including connection(s)	Related to cannulation procedures where single-use shunt accessories such as `A4740` are applied.
`99183`	Physician attendance during procedures requiring sedation for hemodialysis access procedures (example: monitored anesthesia care)	May be performed when anesthesia is required for access surgery where accessories are used.

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