CPT 0496T: Lung Organ Perfusion Maintenance and Monitoring - OpenPayer

Summary & Overview

CPT 0496T: Lung Organ Perfusion Maintenance and Monitoring

CPT code 0496T represents clinician-performed maintenance and monitoring of an organ perfusion system for cadaver lungs, including up to one hour of monitoring after an initial two-hour perfusion. This code captures specialized intraoperative and immediate post-perfusion activities intended to preserve lung sterility and viability for transplantation. Nationally, accurate use of this code affects reporting of transplant-related resource use, supports appropriate facility billing, and informs capacity planning for organ preservation services. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of service definitions and typical sites of care, common billing modifiers associated with perfusion and transplant services, and the clinical context for when the code applies. The publication also provides benchmarking guidance where available, notes on payer coverage patterns, and policy considerations relevant to transplant centers and organ preservation programs. Data not available in the input is noted where applicable; the content focuses on the code definition, service implications, and payer scope at a national level.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare0496TCPTorgan perfusionlung transplantationtransplant servicesorgan preservationoperating roomperfusion monitoring

Billing Code Overview

CPT code 0496T describes clinician services to maintain an organ perfusion system for cadaver lungs, including up to one hour of monitoring after the initial two-hour perfusion period. The service includes necessary physiological or laboratory testing and sterile-field maintenance to preserve lung viability for transplantation.

Service type: Organ perfusion system maintenance and monitoring for donor lungs
Typical site of service: Hospital operating room, transplant center, or specialized organ preservation facility

Clinical & Coding Specifications

Clinical Context

A 45-year-old donor declared brain dead is managed in the organ procurement suite. After lung recovery and back-table preparation, a transplant clinician places the donor lungs on an ex-vivo organ perfusion (EVLP) system to assess and maintain graft viability. The clinician initiates a two-hour perfusion and monitoring period, then continues maintenance and physiologic/laboratory monitoring for an additional up-to-one-hour block billed under 0496T.

The workflow includes connection of lungs to a sterile perfusion circuit, continuous monitoring of perfusate gases, pressures, and flows, periodic arterial blood gas and biochemical testing, adjustments to ventilatory parameters and perfusate composition, and documentation that lungs remain in a sterile field and suitable for transplantation. The typical site of service is an organ procurement facility, hospital operating room, or specialized transplant perfusion laboratory. Clinical team members include a transplant surgeon, perfusionist or EVLP specialist, organ procurement coordinator, and laboratory staff who process paired tests. The procedure supports organ allocation and transport decisions and may precede implantation into a recipient or preservation for transport.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when work required to maintain EVLP exceeds usual and documentation supports substantially greater effort.

CPT 0495T: Organ Perfusion and Monitoring for Cadaver Lungs

cpt-0494t-cadaver-donor-lung-preparation-perfusion

CPT 0494T: Surgical Preparation and Perfusion of Cadaver Donor Lung(s)

Taxonomy Code	Specialty	Notes
207RC0000X	Thoracic Surgery	Surgeons who evaluate lungs for transplantation and lead procurement/EVLP decisions.
1745C0200X	Transplant Surgery	Providers specializing in organ transplant coordination and implantation workflows.
163W00000X	Perfusionist	Clinicians who operate extracorporeal perfusion systems and monitor physiologic parameters.
208D00000X	Emergency Medicine	May be involved in donor declaration and stabilization prior to procurement in some settings.
207L00000X	Pulmonary Disease	Specialists who assess lung quality and interpret gas exchange data during EVLP.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z52.4`	Bone marrow donor status	Donor-status codes are used to identify organ donors; billing systems may require donor-specific codes such as donor status during procurement and EVLP services.
`Z52.3`	Living donor of other organs	When applicable to living lobar donation scenarios, identifies donor context for EVLP management.
`R99`	Ill-defined and unknown cause of mortality	May be used in donor documentation when cause of death is pending and organ procurement proceeds.
`I46.9`	Cardiac arrest, cause unspecified	A common event leading to donor declaration where lungs are then evaluated and possibly placed on EVLP.
`S06.9X9A`	Unspecified intracranial injury with loss of consciousness, initial encounter	Trauma-related neurologic injury leading to brain death and organ donation; relevant to donor lung procurement and EVLP.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`32855`	Lung procurement for transplantation (single or bilateral)	Performed before EVLP setup; procurement supplies lungs that are then maintained on EVLP and monitored by `0496T`.
`0191T`	Perfusion of pulmonary allograft (ex vivo) with evaluation procedures	Often billed for the initial EVLP evaluation phase; `0496T` describes additional maintenance/monitoring following the initial two-hour period.
`99500`	Home care training for caregivers, up to 30 minutes	Not typically used for donors but may be relevant for recipient postoperative care education following transplantation using EVLP-treated lungs.
`94002`	Ventilation assist and management, initiation in hospital	Ventilatory management data during ex-vivo testing correlate with ventilator-derived parameters assessed during EVLP monitoring.
`94010`	End-tidal carbon dioxide monitoring	Ancillary physiologic monitoring commonly performed during EVLP to assess gas exchange and ventilatory parameters.

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