FDA-cleared profile

NAEOTOM Alpha.Peak/ NAEOTOM Alpha; NAEOTOM Alpha.Pro; NAEOTOM Alpha.Prime

Siemens Medical Solutions USA, Inc.

NAEOTOM Alpha.Peak, Alpha, Alpha.Pro, and Alpha.Prime are photon-counting CT systems for diagnostic cross-sectional imaging, treatment and interventional support, low-dose lung-cancer screening under approved protocols, and radiation-therapy planning.

Evidence status: each field shows source quality, applicability, and review date. Research pending, information not established in reviewed sources, and vendor documentation pending are distinct outcomes.

Clinical fit

What this tool is for

Start with the authorized purpose, then verify how it fits your service line and reading workflow.

Exact purpose
NAEOTOM Alpha.Peak, Alpha, Alpha.Pro, and Alpha.Prime are photon-counting CT systems for diagnostic cross-sectional imaging, treatment and interventional support, low-dose lung-cancer screening under approved protocols, and radiation-therapy planning.
FDA source Exact FDA submission Checked 2026-09-03
Intended users
Qualified CT technologists and physicians trained in diagnostic, interventional, or radiation-therapy CT workflows.
FDA source Exact FDA submission Checked 2026-09-03
Care setting and population
Hospital and outpatient CT, interventional, and radiation-oncology imaging departments.
FDA source Exact FDA submission Checked 2026-09-03
Workflow role
Photon-counting CT acquisition, reconstruction, spectral imaging, diagnostic review, and model-supported treatment or radiation-planning imaging.
Public source Exact FDA submission Checked 2026-09-03
Required input
X-ray projection data acquired using model- and protocol-specific photon-counting detector configurations.
FDA source Exact FDA submission Checked 2026-09-03
Output and human action
Cross-sectional CT images, spectral or quantitative image sets, and planning-support images.
FDA source Exact FDA submission Checked 2026-09-03
Limitations
The scanner is not the principal guidance method for invasive procedures. Model, field of view, temporal resolution, spectral function, reconstruction, and radiotherapy support must be matched to the exact system and software.
FDA source Exact FDA submission Checked 2026-09-03

Regulatory identity

FDA record and catalog context

The FDA listing establishes the regulatory identity. It does not by itself establish local workflow fit, pricing, security, or performance in your environment.

FDA submission
K243523
FDA source Exact FDA submission Checked 2026-08-31
Modality
CT/CTA
FDA source Exact FDA submission Checked 2026-09-03
Anatomy
Multi-region
FDA source Exact FDA submission Checked 2026-09-03
Clearance type
510(k)
FDA source Exact FDA submission Checked 2026-08-31
Decision date
2025-02-12
FDA source Exact FDA submission Checked 2026-08-31
FDA status
FDA-cleared
FDA source Exact FDA submission Checked 2026-08-31

Implementation

Questions for IT, informatics, and operations

Use these fields to structure a vendor demo, security review, and implementation estimate.

Integration
DICOM CT workflow with model-specific advanced image objects and planning interfaces; validate downstream compatibility and quantitative consistency.
Public source Exact FDA submission Checked 2026-09-03
Deployment and data flow
Installed photon-counting CT system with syngo CT VB20 and model-specific gantry, detector, reconstruction, siting, and service configuration.
Public source Exact FDA submission Checked 2026-09-03
Security and privacy
Vendor documentation pending
Vendor confirmation Exact FDA submission Checked 2026-09-03

Public materials reviewed for this batch do not establish the complete security posture for the exact release. Request data-flow, identity, audit, encryption, retention, support-access, vulnerability-management, backup, and incident-response evidence.

Training and support
Only qualified ct technologists and physicians trained in diagnostic, interventional, or radiation-therapy ct workflows. should operate or interpret the system. Local onboarding should cover the exact release, supported population, limitations, failure examples, escalation, downtime, and competency documentation.
FDA source Exact FDA submission Checked 2026-09-03
Monitoring and change control
Monitor by exact hardware, software and model version, patient population, anatomy, protocol, operator, input quality, output edits or overrides, failed studies, repeat acquisition or rework, downstream impact, downtime, incidents, recalls, and updates. Track the limits that matter for this product: The scanner is not the principal guidance method for invasive procedures. Model, field of view, temporal resolution, spectral function, reconstruction, and radiotherapy support must be matched to the exact system and software.
Public source Exact FDA submission Checked 2026-09-03

Release and scope verification

Map the installed model, build, options, population, anatomy, inputs, and outputs to K243523 before acceptance.

exact submission · checked 2026-09-03

Later product-family features are not evidence that this cleared release includes them.

Interoperability acceptance

DICOM CT workflow with model-specific advanced image objects and planning interfaces; validate downstream compatibility and quantitative consistency.

exact submission · checked 2026-09-03

Test representative identifiers, orientation, geometry, measurements, units, routing, failure handling, and round trips locally.

Clinical acceptance

Use a signed local test set for the supported population and workflow. Include common and difficult cases, exclusions, acquisition variation, failed or low-quality inputs, reviewer overrides, and downstream effects. The scanner is not the principal guidance method for invasive procedures. Model, field of view, temporal resolution, spectral function, reconstruction, and radiotherapy support must be matched to the exact system and software.

exact submission · checked 2026-09-03

Define stop-use, escalation, rollback, and revalidation triggers before production use.

Economic evaluation

Model capital and recurring cost against net staff time after review, throughput, repeat imaging or rework, room time, consumables, infrastructure, training, service, downtime, upgrade, and replacement costs.

product family · checked 2026-09-03

Vendor productivity claims are scenario inputs, not guaranteed local savings.

Lifecycle monitoring

Monitor by exact hardware, software and model version, patient population, anatomy, protocol, operator, input quality, output edits or overrides, failed studies, repeat acquisition or rework, downstream impact, downtime, incidents, recalls, and updates. Track the limits that matter for this product: The scanner is not the principal guidance method for invasive procedures. Model, field of view, temporal resolution, spectral function, reconstruction, and radiotherapy support must be matched to the exact system and software.

exact submission · checked 2026-09-03

Revalidate after material software, hardware, model, protocol, interface, or clinical-policy changes.

Evidence

Performance evidence

Metrics are shown only when they are tied to a source, endpoint, population, and tested product version.

Evidence summary
K243523 describes manufacturer system, image-quality, dose, spectral, reconstruction, and workflow verification and explicitly includes radiation-therapy planning. Peer-reviewed photon-counting CT literature is technology-level evidence and does not prove outcomes for every listed model.
Public source Exact FDA submission Checked 2026-09-03
Reported sensitivity
Not applicable
Not applicable Not applicable Checked 2026-09-03

Sensitivity is not the primary applicable endpoint for this acquisition, reconstruction, segmentation, planning, guidance, or dose-delivery function. Use the task-specific endpoints and tested population reported below.

Reported specificity
Not applicable
Not applicable Not applicable Checked 2026-09-03

Specificity is not the primary applicable endpoint for this acquisition, reconstruction, segmentation, planning, guidance, or dose-delivery function. Use the task-specific endpoints and tested population reported below.

No contextualized exact-version metric has completed evidence review. Regulatory-document values, when available, are shown above with their limitations.

K243523 FDA performance package for NAEOTOM Alpha.Peak/ NAEOTOM Alpha; NAEOTOM Alpha.Pro; NAEOTOM Alpha.Prime

Manufacturer bench, phantom, image-quality, dose, reconstruction, safety, software, and workflow validation · Representative head and body diagnostic, screening, interventional, treatment, and radiotherapy-planning CT protocols

exact submission · Tested version: NAEOTOM Alpha family with syngo CT VB20 · Sponsor or vendor study

K243523

Manufacturer evidence submitted for substantial equivalence; local clinical, technical, and workflow acceptance remains necessary.

Clinical photon-counting CT experience and applications

Peer-reviewed clinical technology review and experience report · Patients imaged with clinical photon-counting CT systems

product family · Tested version: Photon-counting CT technology and NAEOTOM product family · Independent study

PMID 37602816

Technology- and product-family evidence; not exact K243523 model-performance proof.

Economics and lifecycle

Budget and ongoing governance

These are common procurement questions; unknown values remain visible until a source supports them.

Pricing and total cost
Not established in reviewed sources
Reviewed sources checked Exact FDA submission Checked 2026-09-03

No public list price for the exact cleared configuration was found. Obtain a written quote separating hardware or license basis, enabled features, implementation, interfaces, infrastructure, training, service, upgrades, renewal, consumables, and exit costs.

Reimbursement and coding
No separate named-product Medicare payment was identified in the reviewed CMS coverage material. Evaluate the device within the applicable imaging or surgical service line and verify payer, site-of-service, and coding assumptions independently.
Public source Not applicable Checked 2026-09-03

No product-specific code

No separate named-product payment identified in reviewed public material

Centers for Medicare & Medicaid Services · United States

Build a local total-cost and value model; do not infer reimbursement from FDA clearance.

Safety and lifecycle

Postmarket record

Recall and adverse-event records are shown only after product matching. Adverse-event reports do not establish incidence or causality.

Postmarket safety review
The 2026-09-02 openFDA device-recall snapshot contained no record matched to K243523 by exact submission identifier.
Public source Exact FDA submission Checked 2026-09-03

A zero-result exact-identifier search does not prove that no recall, correction, adverse-event report, or product-family safety signal exists.

Buyer worksheet

Open questions to take to the vendor

Open evaluation checklist

Research record

What has been checked

This audit distinguishes completed source review from fields that have not yet been researched.

Human reviewedStatus
2026-09-02Last searched
24Fields reviewed
9Source classes checked
20Unreviewed PubMed leads
8Unreviewed trial leads
0Unreviewed FDA recall leads

Recovered from the prior exact-submission extraction and normalized under the current provenance rules. Exact FDA materials, current product-family sources, selected clinical literature, reimbursement context, and exact-identifier recall candidates were reviewed. Pricing, contracted services, enabled options, final security architecture, and local interoperability remain organization-specific evidence. Automated exact-name discovery found 20 PubMed and 8 ClinicalTrials.gov candidate records. Candidates require human product and version matching; zero candidates is not evidence that no studies exist. Native FDA recall identifiers produced 0 postmarket candidate records; 0 have been reviewed (0 published, 0 rejected) and 0 remain unreviewed.

Candidate leads remain unpublished until a human confirms the exact product and tested version.

Source classes: fda ai list, fda decision summary, vendor product page, peer reviewed publication, reimbursement policy, fda device recall, pubmed, clinical trials, openfda device recall

Sources

Source ledger

Sources accessed through 2026-09-03.

Alternatives

Related tools to compare

FDA-cleared K253574

SOMATOM X.cite; SOMATOM X.ceed

Siemens Medical Solutions USA, Inc.

SOMATOM X.cite and X.ceed with syngo CT VB20 support diagnostic CT, interventions, treatment preparation, radiation-therapy planning, and qualified low-dose lung screening.

Modality
CT/CTA
Anatomy
Multi-region
Decision
2026-03-20
FDA-cleared K232491

CT 5300

Philips Healthcare (Suzhou) Co., Ltd.

CT 5300 acquires head and whole-body cross-sectional CT images for diagnosis in adult and pediatric patients and supports low-dose lung-cancer screening under approved protocols.

Modality
CT/CTA
Anatomy
Multi-region
Decision
2024-05-03
FDA-cleared K233657

NAEOTOM Alpha

Siemens Medical Solutions USA, Inc.

NAEOTOM Alpha with syngo CT VB10 provides photon-counting CT for diagnosis, treatment and interventional support, and approved low-dose lung screening; this submission explicitly...

Modality
CT/CTA
Anatomy
Multi-region
Decision
2024-03-28
FDA-cleared K203514

Precise Position

Philips Healthcare (Suzhou) Co., Ltd.

Precise Position uses a ceiling-mounted color and depth camera with a convolutional neural network to assist positioning patients aged 16 years and older on Philips Incisive CT by...

Modality
CT/CTA
Anatomy
Multi-region
Decision
2021-06-17