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Lower risk Medical device recall · FDA · Published March 3, 2019

Viewray MRIdian Linac Radiation Therapy System Recall: Transfer Errors Risk Treatment

Viewray recalls specific MRIdian Linac models due to inadequate instructions for transferring radiation treatment plans between systems, potentially causing treatment errors. Affected units include Model 10000 and 20000 with listed serial numbers.

🇺🇸 FDA recall #Z-0676-2020Medical deviceViewray ›
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Contact the company

Recalling firmViewray, Inc.815 E Middlefield Rd · Mountain View, CA 94043-4025
✎ GovInfoNow plain-language explainer

Viewray is recalling certain MRIdian Linac Radiation Therapy Systems because the operator's manual and software don't provide clear instructions for transferring treatment plans between systems. This could lead to inconsistent radiation treatments if users try to switch systems without proper guidance. Read more at govinfonow.com/recall/68916-viewray-mridian-linac-radiation-therapy-system-recall-transfer-errors-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/68916-viewray-mridian-linac-radiation-therapy-system-recall-transfer-errors-risk · Updated August 20, 2026 · FDA enforcement record: FDA #Z-0676-2020

Cite this page

“Viewray MRIdian Linac Radiation Therapy System Recall: Transfer Errors Risk Treatment.” GovInfoNow, updated August 20, 2026. https://govinfonow.com/recall/68916-viewray-mridian-linac-radiation-therapy-system-recall-transfer-errors-risk. Based on FDA recall #Z-0676-2020 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0676-2020%22&limit=1).

The FDA announced on March 3, 2019, that Viewray, Inc. voluntarily recalled MRIdian Linac Radiation Therapy Systems Models 10000 and 20000 due to a hazard involving the transfer of treatment regimens between systems. The agency issued recall number Z-0676-2020 for the Class II device.

How to tell if you have it

  • Brand: Viewray
  • Product: MRIdian Linac Radiation Therapy System Model 10000 and 20000
  • Serial Numbers: 100, 101, 102, 103, 104, 105, 107, 108, 112, 113, 201, 202, 203, 204, 205, 206, 209, 211, 213, 214, 217, 221, 223, 225
  • Device Listing Numbers: D158423 and D297999
  • Quantity: 24 Systems

The hazard

The recall addresses an issue with transferring treatment regimens from one system to another. The record states that adequate instructions for transferring treatment plans are not provided within the operator's manual or within the software operating system.

Context

GovInfoNow's records show Viewray, Inc. has had four other recalls since March 18, 2019. Other recent recalls of similar products include RayStation/RayPlan Software Recall (Nov. 28, 2025), Elekta MOSAIQ Oncology System Software Recall (May 21, 2026), and RayStation/RayPlan Software 11A Recalls (Nov. 28, 2025).

How to tell if you have this one

Check if your device is Model 10000 or 20000 with serial numbers listed in the recall notice (100-113, 201-225). The device listing numbers D158423 and D297999 are also associated with these models.

  • Brand
    Viewray
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Device Model

    Identify if your device is Model 10000 or 20000 with the listed serial numbers (100-113, 201-225).

Where it went and when

Where it was distributed

Distributed in 7 states, and outside the U.S.

Alaska: not listedAKMaine: not listedMEVermont: not listedVTNew Hampshire: not listedNHWashington: not listedWAIdaho: not listedIDMontana: not listedMTNorth Dakota: not listedNDMinnesota: not listedMNIllinois: yesILWisconsin: yesWIMichigan: yesMINew York: yesNYRhode Island: not listedRIMassachusetts: not listedMAOregon: not listedORNevada: not listedNVWyoming: not listedWYSouth Dakota: not listedSDIowa: not listedIAIndiana: not listedINOhio: not listedOHPennsylvania: not listedPANew Jersey: not listedNJConnecticut: not listedCTCalifornia: yesCAUtah: not listedUTColorado: not listedCONebraska: not listedNEMissouri: yesMOKentucky: not listedKYWest Virginia: not listedWVVirginia: not listedVAMaryland: not listedMDDelaware: not listedDEArizona: not listedAZNew Mexico: not listedNMKansas: not listedKSArkansas: not listedARTennessee: not listedTNNorth Carolina: not listedNCSouth Carolina: not listedSCDistrict of Columbia: not listedDCOklahoma: not listedOKLouisiana: not listedLAMississippi: not listedMSAlabama: not listedALGeorgia: not listedGAHawaii: not listedHITexas: not listedTXFlorida: yesFL

FDA distribution: “US - CA, FL, IL, MI, MO, NY, and WI OUS: Denmark, France, Germany, Italy, Japan, Netherlands, Turkey, South Korea, and UAE” States read from FDA’s own wording; “not listed” means the notice does not name it.

States: California, Florida, Illinois, Michigan, Missouri, New York, Wisconsin.

Recall timeline

FDA terminated this recall 2.2 years after the firm started it.

1. Firm started the recall: Mar 3, 201912. FDA classified it Class II: Dec 12, 201923. Published in FDA’s Enforcement Report: Dec 18, 201934. FDA terminated the recall: Apr 28, 2021420192021
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

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

✎ GovInfoNow

Questions people ask

Is there a risk of serious injury from this issue?

The recall describes a potential for inconsistent treatment, but no specific injury mechanism is mentioned. This is considered low risk as it does not involve immediate physical harm.

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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-0676-2020 (March 3, 2019) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0676-2020 to see it in context.
  • Plain-language summary written by qwen3:4b on August 20, 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.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA