Summary & Overview

CPT 0559T: 3D Anatomic Model Preparation, Processing and Printing

CPT code 0559T designates the preparation, processing and printing of the first 3D anatomic model of a body structure from one or more imaging data sets. As 3D anatomic modeling gains clinical traction for surgical planning, education, and device fitting, this code captures a distinct technical service that separates model fabrication from imaging acquisition and interpretation. Nationally, the code matters because it establishes a discrete billing pathway for additive manufacturing workflows tied to patient-specific care.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what the code represents, payer coverage considerations, common modifiers reported with the service, and the clinical contexts in which models are typically used (surgical planning, complex anatomy visualization, and preoperative rehearsal).

The publication provides benchmarks and policy context relevant to hospitals and outpatient imaging centers performing 3D model fabrication. It summarizes typical sites of service, service definitions, and areas where payers and providers often focus review (medical necessity, relation to imaging and procedural services). Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare0559TCPT3D anatomic modelmedical modelingimaging-derived modelssurgical planningadditive manufacturingtechnical service

Billing Code Overview

CPT code 0559T reports the preparation, processing, and printing of the first 3D anatomic model of a body structure derived from one or more image data sets. This service covers the end-to-end creation of a patient-specific physical model from imaging sources.

Service type: 3D anatomic model creation (planning and fabrication)
Typical site of service: Hospital-based imaging departments, outpatient imaging centers, or specialized medical modeling facilities where imaging data are processed and models are fabricated from scans

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 52-year-old patient with a complex craniofacial tumor undergoes diagnostic CT and MRI imaging to plan a multidisciplinary surgical resection. The treating surgeon requests a patient-specific anatomic model to visualize tumor margins relative to critical vascular and bony structures, rehearse the operative approach, and use the model intraoperatively as a reference. Radiology generates a segmented 3D dataset from the patient's CT and MRI, refines the anatomy, and prepares the first printed anatomic model of the relevant body structure. The workflow includes image acquisition, segmentation and virtual model creation, quality review by the ordering surgeon, and printing/finishing of the first 3D anatomic model. Typical site of service is an outpatient imaging center, hospital radiology department, or an off-site specialized medical 3D printing facility working under the hospital or physician practice.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when the preparation required substantially greater resources or time than typical for model creation, with documentation of why work was increased.
`23`	Unusual anesthesia

Taxonomy Code	Specialty	Notes
`2085R0200X`	Diagnostic Radiology	Radiologists commonly perform segmentation and supervise model generation.
`207L00000X`	Otolaryngology	Surgeons in head and neck procedures request and use models for planning.
`207K00000X`	Orthopaedic Surgery	Orthopedic surgeons request models for complex bony reconstructions.
`2086S0126X`	Interventional Radiology	Interventionalists may request models for procedural planning and device sizing.
`363A00000X`	Clinical Laboratory	Technical staff in imaging/3D printing labs perform model processing and printing.

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`76376`	3D rendering with interpretation and reporting of CT, MRI, or ultrasound study; without image postprocessing on an independent workstation	Performed prior to model generation to create 3D renderings and guide segmentation when advanced workstation rendering is used.
`76377`	3D rendering with interpretation and reporting of CT, MRI, or ultrasound study; with image postprocessing on an independent workstation	Used when complex postprocessing is required to generate the segmented dataset used for the 3D model.
`72197`	CT lumbar spine, without contrast, and with contrast (if performed) — (example of advanced CT codes)	Imaging studies such as CT or MRI of the anatomical region are billed separately and precede model preparation.
`77046`	Magnetic resonance guidance for interventional procedure (example imaging guidance codes)	In select workflows where MR guidance informs the model, this imaging guidance code may be part of the overall care episode.
`0556T`	Preparation, processing and printing of additional 3D anatomic model (list may vary by year)	Billed for subsequent models beyond the first; relates directly as the add-on code for extra models.
`76380`	Computed tomography for bone mineral density, axial skeleton (example supportive code)	Supports ancillary imaging services often used in preoperative planning alongside model creation.

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