Summary & Overview
HCPCS Level II A4608: Transtracheal Oxygen Catheter, Each
HCPCS Level II code A4608 denotes a transtracheal oxygen catheter, an item used to deliver supplemental oxygen directly into the trachea via a transtracheal stoma. The code identifies a discrete durable medical equipment (DME) supply critical for patients receiving transtracheal oxygen therapy. Nationally, accurate coding of this device affects durable medical equipment billing, coverage determinations, and supply inventory management for providers and payers.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna, UnitedHealthcare, and Medicare. Readers will find an overview of coding context, payer coverage considerations, and typical sites of use for the device. The publication summarizes benchmark information, common billing modifiers and claims practices, and relevant clinical context for transtracheal oxygen delivery.
This briefing is intended to help billing professionals, clinicians, and policy analysts understand how HCPCS Level II code A4608 is used in practice, what aspects of reimbursement and documentation are commonly relevant, and where to look for payer-specific coverage policies. Data not available in the input will be noted where applicable.
Billing Code Overview
HCPCS Level II code A4608 represents a transtracheal oxygen catheter, each. This item is a single-use or replaceable catheter designed to deliver supplemental oxygen directly into the trachea through a previously created transtracheal stoma or tract.
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Service type: Oxygen delivery device
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Typical site of service: Durable medical equipment use in home or outpatient settings where transtracheal oxygen therapy is managed, including patient residence and outpatient respiratory care facilities.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with chronic hypoxemic respiratory failure who requires long-term supplemental oxygen but has poor tolerance of nasal cannula or transtracheal oxygen therapy is being considered for improved oxygen delivery and mobility. The clinician evaluates a patient with documented resting arterial oxygen saturation below target on low-flow nasal oxygen or frequent oxygen desaturations with exertion, and who has failed or is poorly adherent to conventional oxygen delivery methods. After pulmonary consultation, the patient undergoes bedside or outpatient placement of a transtracheal oxygen catheter through a percutaneous tracheostoma or existing tracheostomy for direct intratracheal oxygen delivery.
The clinical workflow includes pre-procedure assessment (medical history, coagulation status, airway evaluation), informed consent, topical anesthesia and local sterile technique, percutaneous insertion of the transtracheal oxygen catheter, confirmation of catheter position, oxygen flow titration and patient training on catheter care and oxygen device connections, and follow-up to assess oxygenation, site healing, and device function. Supplies billed under A4608 represent individual transtracheal oxygen catheters supplied to the patient for ongoing home oxygen therapy.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier |