Summary & Overview
HCPCS Level II A6591: External Urinary Catheter, Non-Disposable, Suction
HCPCS Level II code A6591 identifies a non-disposable external urinary catheter intended for use with a suction pump and billed on a monthly basis. This durable medical equipment code is relevant nationally for clinical programs that manage continuous urinary drainage in home health and outpatient durable medical equipment settings. The code matters because it captures ongoing supplies and equipment needs for patients who cannot use disposable collection systems and require suction-assisted drainage.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of coding intent and clinical context, payer coverage considerations, and typical sites of service. The publication summarizes benchmark elements where available, highlights any recent policy updates affecting durable medical equipment billing, and explains the clinical scenarios in which a suction-compatible external catheter is used.
This resource is intended to clarify the code’s purpose, identify the payer landscape addressed, and outline what to expect when billing for monthly provision of a non-disposable external urinary catheter for use with suction.
Billing Code Overview
HCPCS Level II code A6591 describes an external urinary catheter, non-disposable, for use with suction pump, billed per month. This item is a durable external device designed to manage urinary output for patients who require continuous suction-assisted collection rather than single-use collection systems.
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Service type: Durable medical equipment (external urinary catheter for suction-assisted drainage)
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Typical site of service: Home health or outpatient/home durable medical equipment setting; used where a suction pump is available to maintain continuous drainage
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Clinical & Coding Specifications
Clinical Context
A male or female adult with chronic urinary retention or severe urinary incontinence who requires continuous or intermittent drainage in the home or long-term care setting receives a non-disposable external urinary catheter designed for use with a suction pump. Typical patients include those with neurogenic bladder from spinal cord injury, advanced neurologic disease (e.g., multiple sclerosis), or obesity and immobility that preclude reliable voiding. The device is billed A6591 on a monthly basis when provided for ongoing use.
The clinical workflow typically includes the following steps:
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Initial assessment by a urology nurse or continence specialist to determine suitability for an external catheter and suction-assisted drainage.
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Trial fitting and education on device placement, connection to suction pump, skin care, and infection prevention by a licensed clinician (e.g., wound care nurse or urology clinician).
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Documentation of diagnosis, medical necessity, device model, and anticipated monthly supply in the durable medical equipment record.
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Monthly supply provisioning and periodic follow-up visits or telehealth checks to assess skin integrity, device function, and any need for replacement or alternative management.
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Coordination with durable medical equipment supplier for ongoing billing and replacement as needed.
Coding Specifications
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