Lower risk Medical device recall · FDA · Published August 16, 2021

Siemens CT Scanners Risk Data Loss in Image Editing Workflows

Siemens recalls certain CT scanners that may cause incomplete treatment planning data if structure sets are edited after saving and reopening studies. Affected models include SOMATOM go.Now, go.Up, go.All, and others. No remedy specified in recall notice.

Plain-English summary generated from official FDA data by GovInfoNow · Published by Carlos Caban · How we make summaries

🇺🇸 FDA recall #Z-2446-2021Medical device Siemens ›

Lower-risk recall

Potential for data loss when using the contouring or patient marking workflow when editing a structure set after saving and reopening a study, resulting in an incomplete structure set sent to the treatment planning system (TPS).

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Contact the company

Recalling firmSiemens Medical Solutions USA, Inc40 Liberty Blvd · Malvern, PA 19355-1418

✎ GovInfoNow plain-language explainer

Siemens has recalled specific CT scanners that could cause incomplete treatment planning data if users edit structure sets after saving and reopening a study. This might lead to errors in radiation therapy planning. The recall affects medical imaging equipment used in hospitals and clinics. Read more at govinfonow.com/recall/61940-siemens-ct-scanners-risk-data-loss-in-image-editing-workflows.

Source Summary by GovInfoNow · govinfonow.com/recall/61940-siemens-ct-scanners-risk-data-loss-in-image-editing-workflows · Updated August 19, 2026 · FDA enforcement record: FDA #Z-2446-2021

Cite this page

“Siemens CT Scanners Risk Data Loss in Image Editing Workflows.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/61940-siemens-ct-scanners-risk-data-loss-in-image-editing-workflows. Based on FDA recall #Z-2446-2021 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2446-2021%22&limit=1).

The FDA announced on August 16, 2021, that Siemens Medical Solutions USA, Inc. is recalling syngo.CT VA20A, VA30A and VA40A software in syngo.via RT Image Suite / Sim&Go systems due to a potential for data loss. The agency classified the recall as Class II.

How to tell if you have it

Brand: Siemens
Product: syngo.CT VA20A, VA30A and VA40A in syngo.via RT Image Suite / Sim&Go
Compatible Systems: SOMATOM go.Now, SOMATOM go.Up, SOMATOM go.All, SOMATOM go.Top, SOMATOM go.Sim, SOMATOM go.Open Pro, SOMATOM X.cite
Material Numbers: 11061620, 11061628, 11061630, 11061640, 11061660, 11061670
Serial Numbers: 128051, 130051, 128065, 128035, 130057, 128086, 128079, 128041, 128019, 128078, 128060, 128068, 112045, 128085, 128075, 128022, 128033, 130012, 128016, 130044, 130048, 130049, 128018, 119216, 108085, 128015, 130019, 130055, 130054, 128020, 128039, 130052, 130036, 130061, 128049, 117756, 128029, 130021, 130045, 130039, 128063, 128057, 128045, 128046, 128114, 128113, 130058, 128123, 130015, 130081, 112261, 112071, 128124, 128132, 128125, 130079, 130077, 111805 (Material 11061620), 128144, 128135, 128142, 128136, 128133 (Material 11061660), 130088, 130094, 130090, 130087, 130091, 130092, 130089 (Material 11061670)
Units Affected: 44 systems

The hazard

The recall addresses the potential for data loss when using the contouring or patient marking workflow while editing a structure set after saving and reopening a study. This issue may result in an incomplete structure set being sent to the treatment planning system (TPS).

Context

GovInfoNow's records show Siemens Medical Solutions USA, Inc has 182 other recalls on record since 2017-06-06. Other recent recalls of similar products include Siemens ARTIS icono Ceiling Monitor Recall (2026-06-08), Siemens ARTIS icono floor recall (2026-05-20) and Siemens ARTIS Pheno VE30A/VE40A (2026-03-12). Other recent recalls of similar products include Philips Ingenuity CT Scanners (2026-08-07), Philips Brilliance CT 64 Medical Scanner Recall (2026-08-07) and Philips IQon Spectral CT Software 4.7.7.x Recall (2026-08-07).

How to tell if you have this one

Check if your Siemens CT scanner has model numbers VA20A, VA30A, or VA40A. Look for specific serial numbers listed in the recall notice or material numbers provided in the official notice.

Brand
Siemens
Category
Medical device

FDA recall event · 3 products

All 3 products in this recall

FDA lists each product line separately under one recall event. Check your product description, lot or code numbers against each row. Every row shares the hazard and remedy on this page.

Classification
Class II
Status
Ongoing
Distribution
US Nationwide distribution.

Recall number	Product, codes & lots	Quantity
Z-2445-2021	syngo.via RT Image Suite with syngo.via VB30, VB40, VB50 and VB60- Intended for Radiation Therapy Treatment Material Number: 10496180; Serial Numbers: 100713 223736 222946 223440 223032 223347 223084 223811 130643 223004 451078 101724 132011 131247 451036 132231 451032 222835 130848 500010 101773 132729 130874 133176 100421 100419 100420 100643 100642 100811 100814 100644 102369 100812 100641 100418 100813 100645 131284 130712 223734 102305 132893 223310 222411 223258 223334 223090 132781 131867 222563 222417 222491 131503 130125 451070 222224 132108 500013 132061 131169 451023 451017 451077 132701 102113 451094 130628 500007 131213 131360 500020 500028 451079 132205 451031 451001 222914 130331 451034 133191 102108 132136 131325 222686 223207 130734 102021 131578 500005 451071 222521 132904 102031 222539 222860 451039 130335 222862 222638 100677 222729 131336 223188 130452 223220 131801 131589 222719 132102 130140 223844 500004 451074 451030 133198 222601 133261 132595 130751 223150 131966 223424 223259 223058 131012 *Updated 12/9/21* 223021 ***Updated 1/31/22: Serial number 222475 133503	126 units
Z-2446-2021	syngo.CT VA20A, VA30A and VA40A in: syngo.via RT Image Suite / Sim&Go SOMATOM go.Now SOMATOM go.Up SOMATOM go.All SOMATOM go.Top SOMATOM go.Sim SOMATOM go.Open Pro and SOMATOM X.cite Material Numbers: 11061620 11061628 11061630 11061640 11061660 11061670; Serial Numbers: 128051 130051 128065 128035 130057 128086 128079 128041 128019 128078 128060 128068 112045 128085 128075 128022 128033 130012 128016 130044 130048 130049 128018 119216 108085 128015 130019 130055 130054 128020 128039 130052 130036 130061 128049 117756 128029 130021 130045 130039 128063 128057 128045 128046 *UPDATED 12/9/21* 128114 128113 130058 ***Updated 1/31/22: Serial Number 128123 130015 130081 112261 112071 128124 128132 128125 130079 130077 Expanded Recall 3/12/22: 11061620 S/N: 111805 11061660 S/N: 128144, 128135, 128142, 128136, 128133 11061670 S/N: 130088, 130094, 130090, 130087, 130091, 130092, 130089	44 systems
Z-2447-2021	MR MAGNETOM Systems with RT Image Suite with syngo MR VA20A, VA30A and VA31A with license SW-Key CT_RT_IMA_SUITE_SYNTHETIC_CT Material Numbers: 11060815; Serial Numbers: 176302 175681	2 systems

Based on the official FDA remedy

What to do — step by step

Check Scanner Model
Identify if your Siemens CT scanner is one of the affected models (VA20A, VA30A, VA40A) using the serial numbers or material numbers listed in the recall notice.

Where it went and when

Where it was distributed

Distributed nationwide.

FDA distribution: “US Nationwide distribution.” States read from FDA’s own wording; “not listed” means the notice does not name it.

Distributed nationwide.

Recall timeline

FDA published this recall 37 days after the firm started it.

Aug 16, 2021Firm started the recall
Sep 10, 2021FDA classified it Class II
Sep 22, 2021Published in FDA’s Enforcement Report

Dates from the agency record only; steps without a date are left out.

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Link to this recall

<a href="https://govinfonow.com/recall/61940-siemens-ct-scanners-risk-data-loss-in-image-editing-workflows">Siemens CT Scanners Risk Data Loss in Image Editing Workflows (GovInfoNow)</a>

Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

Official source: FDA Recall #Z-2446-2021 (August 16, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2446-2021 to see it in context.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.