FDA-cleared profile

True Definition DL

Ge Healthcare Japan Corporation

True Definition DL is a deep-learning CT reconstruction function that enhances high-contrast spatial resolution for bone and lung imaging on compatible CT systems.

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
True Definition DL is a deep-learning CT reconstruction function that enhances high-contrast spatial resolution for bone and lung imaging on compatible CT systems.
FDA source Exact FDA submission Checked 2026-09-04
Intended users
Qualified CT technologists and interpreting physicians.
FDA source Exact FDA submission Checked 2026-09-04
Care setting and population
CT departments operating the compatible scanner platform and release-specific reconstruction workflow.
FDA source Exact FDA submission Checked 2026-09-04
Workflow role
Integrated deep-learning or model-based CT reconstruction before professional interpretation.
FDA source Exact FDA submission Checked 2026-09-04
Required input
Raw CT projection data from supported scanner models, protocols, dose levels, and patient sizes.
FDA source Exact FDA submission Checked 2026-09-04
Output and human action
DICOM CT image series reconstructed at the supported strength, kernel, or quality setting.
FDA source Exact FDA submission Checked 2026-09-04
Limitations
Bench, phantom, and reader results do not establish universal dose reduction or diagnostic performance across every anatomy, protocol, patient size, or downstream quantitative application.
FDA source Exact FDA submission Checked 2026-09-04

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
K253686
FDA source Exact FDA submission Checked 2026-08-31
Modality
CT/CTA
FDA source Exact FDA submission Checked 2026-09-04
Anatomy
Bone and lungs
FDA source Exact FDA submission Checked 2026-09-04
Clearance type
510(k)
FDA source Exact FDA submission Checked 2026-08-31
Decision date
2026-03-23
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
Not established in reviewed sources
Reviewed sources checked Exact FDA submission Checked 2026-09-04

The public exact-submission material does not establish a complete integration contract. Confirm DICOM, worklist, identity, interfaces, exports, routing, audit behavior, and downtime locally.

Deployment and data flow
Not established in reviewed sources
Reviewed sources checked Exact FDA submission Checked 2026-09-04

The public exact-submission material does not establish the complete deployment topology, hosting responsibility, availability, upgrade path, or service contract.

Security and privacy
Vendor documentation pending
Vendor confirmation Exact FDA submission Checked 2026-09-04

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

Training and support
Only qualified ct technologists and interpreting physicians should operate or interpret the product. Local onboarding should cover the exact release, supported population, limitations, failure examples, escalation, downtime, and competency documentation.
FDA source Exact FDA submission Checked 2026-09-04
Monitoring and change control
Monitor by exact hardware, software, model, and algorithm 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 these product-specific limits: Bench, phantom, and reader results do not establish universal dose reduction or diagnostic performance across every anatomy, protocol, patient size, or downstream quantitative application.
Public source Product family Checked 2026-09-04

Current vendor material is product-family context for K253686; confirm exact cleared version, enabled options, deployment, and local compatibility.

Release and scope verification

Map installed model, build, options, population, anatomy, inputs, outputs, and enabled functions to K253686 before acceptance.

exact submission · checked 2026-09-04

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

Interoperability acceptance

Exact public integration details remain incomplete; establish and test the supported input, output, identity, routing, archive, and downtime contract locally.

product family · checked 2026-09-04

Test representative identifiers, orientation, geometry, measurements, units, routing, failure handling, and round trips locally. Current vendor material is product-family context; confirm exact release, enabled options, deployment, and local compatibility.

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. Bench, phantom, and reader results do not establish universal dose reduction or diagnostic performance across every anatomy, protocol, patient size, or downstream quantitative application.

exact submission · checked 2026-09-04

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 2026-09-04

No exact-product price was found in the reviewed public material; productivity or value claims require local evidence.

Lifecycle monitoring

Monitor by exact hardware, software, model, and algorithm 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 these product-specific limits: Bench, phantom, and reader results do not establish universal dose reduction or diagnostic performance across every anatomy, protocol, patient size, or downstream quantitative application.

product family · checked 2026-09-04

Revalidate after material software, hardware, model, protocol, interface, or clinical-policy changes. Current vendor material is product-family context; confirm exact release, enabled options, deployment, and local compatibility.

Evidence

Performance evidence

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

Evidence summary
The exact FDA decision material describes a three-strength deep-learning reconstruction function implemented on compatible Revolution CT and Apex family systems, with design-control and MTF spatial-resolution evaluation. No universal diagnostic sensitivity or specificity claim is established.
FDA source Exact FDA submission Checked 2026-09-04
Reported sensitivity
Not applicable
Not applicable Not applicable Checked 2026-09-04

Sensitivity is not a product-wide endpoint for this system or software function. Compare only an exact endpoint, threshold, population, version, and source if one is later verified.

Reported specificity
Not applicable
Not applicable Not applicable Checked 2026-09-04

Specificity is not a product-wide endpoint for this system or software function. Compare only an exact endpoint, threshold, population, version, and source if one is later verified.

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

K253686 FDA evidence package for True Definition DL

FDA substantial-equivalence decision with software design-control, phantom, spatial-resolution, and image-quality verification · Bone and lung CT images from supported scanner platforms, protocols, and reconstruction settings

exact submission · Tested version: True Definition DL configuration described in K253686 · Sponsor or vendor study

K253686

Manufacturer evidence submitted for the exact FDA decision. It is not independent clinical validation, and local technical, clinical, privacy, security, and workflow acceptance remains necessary.

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 2026-09-04

No public list price for the exact cleared configuration was found. Obtain a written quote separating hardware or license basis, 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 product within the applicable imaging, procedural, or surgical service line and verify payer, site-of-service, and coding assumptions independently.
Public source Not applicable Checked 2026-09-04

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 or approval.

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 K253686 by exact native submission identifier. This does not exclude product-family, later, or adverse-event information.
Public source Exact FDA submission Checked 2026-09-04

Exact-identifier review does not prove absence of all product-family safety signals.

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
2026-09-04Last searched
26Fields reviewed
10Source classes checked
0Unreviewed PubMed leads
0Unreviewed trial leads
0Unreviewed FDA recall leads

This submission was added after the prior exact-submission extraction and remains queued for source review. Exact-name and exact-submission searches in the checked 2026-09-01 indexes returned no PubMed records and no ClinicalTrials.gov records for K253686; review status is candidate_review_pending. Any candidate literature or registry record remains quarantined as product-family evidence unless exact submission and version linkage is established. Current vendor material is product-family context. Pricing, complete security architecture, contracted deployment, exact reimbursement, and local interoperability remain unverified. Automated exact-name discovery found 0 PubMed and 0 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 material, vendor product page, peer reviewed literature, clinical trial registry, reimbursement policy, fda device recall, pubmed, clinical trials, openfda device recall

Sources

Source ledger

Sources accessed through 2026-09-04.

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