Summary & Overview
HCPCS Level II A4322: Irrigation Syringe, Bulb or Piston, Each
HCPCS Level II code A4322 designates an irrigation syringe (bulb or piston), billed per unit. As a commonly used wound-care supply, this code matters nationally for outpatient wound management, home health care, and ambulatory procedures that require controlled fluid delivery. Its use affects supply-line billing, inventory management, and cost-tracking across providers who perform irrigation in clinics, physician offices, and home settings.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of where A4322 is applied clinically, typical sites of service, and payer coverage considerations. The publication summarizes billing benchmarks where available, identifies common billing modifiers supplied in the input, and outlines clinical context for when irrigation syringes are billed. It also notes gaps where input data is unavailable and directs readers to the relevant sections for detailed payer lists, modifier guidance, and related coding considerations.
This national-level brief is intended for coding professionals, revenue cycle staff, and clinical procurement teams seeking a practical reference on the use and billing context of HCPCS Level II code A4322.
Billing Code Overview
HCPCS Level II code A4322 describes an irrigation syringe, bulb or piston, each. This item is a single-use or reusable irrigation device used to deliver fluids for wound care, wound irrigation, or other clinical irrigation procedures. The service type associated with this code is medical supply — irrigation device, and the typical site of service is outpatient clinics, physician offices, home health visits, and other ambulatory care settings where wound care or irrigation is performed.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A patient presents to an outpatient wound care clinic with a draining surgical wound 10 days after an inguinal hernia repair. The wound has moderate serosanguinous drainage and crusting; the clinician plans to cleanse the wound and remove debris using an irrigation syringe. The typical workflow: triage nurse obtains history and vital signs; clinician (wound care nurse or physician assistant) inspects the wound, documents size, drainage, and signs of infection; selects an appropriate irrigation syringe (A4322) — bulb or piston type — and performs irrigation using sterile saline to mechanically remove debris and reduce bacterial load; the wound is dressed and procedural details are documented in the medical record including lot number and quantity of the device used. Typical sites of service include outpatient clinic, ambulatory surgical center for minor procedures, emergency department for acute wound irrigation, and home health settings when provided by a visiting nurse. Common scenarios include post‑operative wound cleansing, superficial wound irrigation for traumatic lacerations, ostomy site care with irrigation, and catheter or tube flushing when an irrigation syringe of appropriate size is indicated. Patient education is provided on dressing care and signs of infection; supplies used (including A4322) are recorded for billing and inventory purposes.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 |