Monaco recallZ-1825-2020 · Elekta Inc · initiated Apr 16, 2020
Open, Classified
Is my device affected?
- Compare the model, catalog and lot or serial numbers on your device or its packaging with the code information below. A recall usually covers only specific models or lots.
- If yours is listed, follow the instructions from Elekta Inc or your healthcare provider. The company's action is summarized under what the company is doing.
- Do not stop using a prescribed or implanted device on your own — talk to your healthcare provider first.
Where to find your model and lot numbers · What recall classes and statuses mean
Why it was recalled
The Monaco RTP Radiation Treatment Planning System may change the shape and volume of the contour potentially resulting in the device delivering an inaccurate dose.
FDA root cause category: Software design
What the company is doing
In April of 2020, Elekta Inc. prepared an Urgent/Important Field Safety Notice identifying this issue, the actions that should be taken by the user/customer in order to prevent risks for patients and/or users, and the actions planned by Elekta to correct the problem. PRODUCT: The Monaco RTP System with versions 5.40 or 5.40.01 installed in or after June of 2018. ACTIONS TO BE TAKEN BY THE CUSTOMER OR USER: Customers/users are instructed to follow their standard clinical practice of reviewing plans, including the review of contours and volumes. DVHs that show unexpected overdose or under-dose should be investigated by the customer/user. The customer/user should post the issued notice in a place accessible to all users, e.g. Instructions for Use, until this action is closed and to advise the appropriate personnel who are working with this product on the content of this letter. Customers/users are also required to either acknowledge receipt of this notification via the Elekta Care Community or complete the provided acknowledgement form and return it to Elekta immediately upon receipt, but no later than within 30 days of receiving the notification letter.
Recall details
- Recall number
- Z-1825-2020
- Status
- Open, Classified
- Initiated by the company
- Apr 16, 2020
- Recalling firm
- Elekta Inc
- Quantity
- 96 devices
- Product code
- MUJ
- FDA submissions
- K183037
- Distribution
- Worldwide distribution - US Nationwide Distribution in the states of IA, NJ, NY, PA, TX, WI and the countries of Australia, Canada, China, Denmark, Germany, Hong Kong, Italy, Netherlands, Sweden, Switzerland, Thailand, Turkey, United Kingdom.
Product description
Elekta MONACO RTP Sytem, radiation treatment planning software system - Product Usage: The Monaco system is used to make treatment plans for patients with prescriptions for external beam radiation therapy. The
Code information (models, lots, serial numbers)
Software Build: 5.40.00 (UDI: (01)00858164002190(10) 5.40.00), 5.40.01 (UDI: 01)00858164002190(10) 5.40.01)
Devices named in this recall
1 device in the FDA device registry whose identifier appears in the recall's code information.
- MonacoElekta, Inc. · System, Planning, Radiation Therapy Treatment5 recalls5 reports
Product lines
Sources and updates
- Recall record: FDA Medical Device Recalls, file dated Oct 16, 2026 · View the FDA recall notice ↗
- Devices: FDA GUDID, file dated Oct 13, 2026. Devices are linked when their identifier (with a valid check digit) appears in the recall's code information.
- Page last rebuilt: Oct 16, 2026. Text above is shown as published by the FDA.
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