Unrated Medical device recall · FDA · Published August 7, 2018

Medtronic Minimed 503 Remote Transmitter Security Vulnerability Recall

Medtronic recalls Minimed Model 503 Remote Transmitters for potential security risks with insulin pumps. Affected units may have vulnerabilities that could compromise patient safety.

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

🇺🇸 FDA recall #Z-0178-2020Medical device Medtronic ›

Recall notice

There is a potential security vulnerability related to the use of the remote controller accessories with the insulin pumps.

Take action

Contact the company

Recalling firmMedtronic Inc.18000 Devonshire St · Northridge, CA 91325-1219

✎ GovInfoNow plain-language explainer

Medtronic is recalling Minimed Model 503 Remote Transmitters used with their insulin pumps due to a potential security vulnerability. This could allow unauthorized access to insulin delivery settings, risking patient safety. Read more at govinfonow.com/recall/70183-medtronic-minimed-503-remote-transmitter-security-vulnerability-recall.

Source Summary by GovInfoNow · govinfonow.com/recall/70183-medtronic-minimed-503-remote-transmitter-security-vulnerability-recall · Updated August 20, 2026 · FDA enforcement record: FDA #Z-0178-2020

Cite this page

“Medtronic Minimed 503 Remote Transmitter Security Vulnerability Recall.” GovInfoNow, updated August 20, 2026. https://govinfonow.com/recall/70183-medtronic-minimed-503-remote-transmitter-security-vulnerability-recall. Based on FDA recall #Z-0178-2020 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0178-2020%22&limit=1).

The FDA announced on 2018-08-07 that Medtronic Inc. is recalling Minimed Model 503 Remote Transmitters for use with the MiniMed Paradigm insulin pumps due to a potential security vulnerability in the remote controller accessories.

How to tell if you have it

Minimed Model 503 Remote Transmitter (MMT-503, MMT-503EU, MMT-503NA, MMT-503US)
For use with MiniMed Paradigm Insulin Pump (MMT-523/723, MMT-523K/723K, MMT-551/751, MMT-554/754, MMT-522/722, MMT-522K/722K, MMT-515/715, MMT-512/712, MMT-511)
All serial numbers
141,519 units

The hazard

According to the FDA, there is a potential security vulnerability related to the use of the remote controller accessories with the insulin pumps.

Context

GovInfoNow's records show Medtronic, Inc. has had 38 other recalls on record since 2017-09-10. Recent brand recalls include a 2026-03-11 Sphere-9 Catheter Recall for risk of ventricular fibrillation and a 2025-12-04 Abre Venous Stent Recall due to potential stent migration. Other recent recalls of similar products include Medtronic MiniMed 670G Insulin Pump Recall (2026-07-13), Medtronic MiniMed 640G Insulin Pump Recall (2026-07-13), and Medtronic MiniMed 780G Insulin Pump Recall (2026-07-13).

How to tell if you have this one

Check for the Minimed Model 503 Remote Transmitter (MMT-503, MMT-503EU, MMT-503NA, MMT-503US) with the MiniMed Paradigm insulin pump. All units have specific serial numbers.

Brand
Medtronic
Category
Medical device

FDA recall event · 2 products

All 2 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 I
Status
Terminated
Distribution
Distribution was nationwide to consumers and distributors. There was no government/military distribution. Foreign distribution was made to Algeria, Australia, Austria, Belgium, Brazil, Canada, China, Croatia, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Greece, Hungary, Iceland, India, Iran, Iraq, Ireland, Israel, Italy, Kuwait, Latvia, Lebanon, Lithuania, Luxembourg, Martinique, Namibia, Netherlands, New Caledonia, Norway, Oman, Pakistan, Poland, Reunion, Romania, Russian Federation, Saudi Arabia, Senegal, Slovakia, South Africa, Spain, Sweden, Switzerland, Tunisia, Turkey, and United Kingdom.

Recall number	Product, codes & lots	Quantity
Z-0177-2020	Minimed Model 500 Remote Control (MMT-500, MMT-500RU, MMT-500RUS, MMT-500RSE, MMT-500RCH, MMT-500RDE, MMT-500REU, MMT-500RFR, MMT-500RGB, MMT-500RIL, MMT-500RNL) for use with the MiniMed 508 Insulin Pump (MMT-508).; All serial numbers	90,213
Z-0178-2020	Minimed Model 503 Remote Transmitter (MMT-503, MMT-503EU, MMT-503NA, MMT-503US) for use with the MiniMed Paradigm Insulin Pump (MMT-523/723, MMT-523K/723K, MMT-551/751, MMT-554/754, MMT-522/722, MMT-522K/722K, MMT-515/715, MMT-512/712, MMT-511); All serial numbers	141,519

Based on the official FDA remedy

What to do — step by step

Check Device Serial Number
Identify the serial number on your insulin pump to confirm if it's affected.

Where it went and when

Where it was distributed

Distributed nationwide, and outside the U.S.

FDA distribution: “Distribution was nationwide to consumers and distributors. There was no government/military distribution. Foreign distribution was made to Algeria, Australia, Austria, Belgium, Brazil, Canada, China, Croatia, Czech Republic, Denmark,…” States read from FDA’s own wording; “not listed” means the notice does not name it.

Distributed nationwide, and outside the U.S.

Recall timeline

FDA terminated this recall 5.6 years after the firm started it.

Aug 7, 2018Firm started the recall
Nov 4, 2019FDA classified it Class I
Nov 13, 2019Published in FDA’s Enforcement Report
Mar 29, 2024FDA terminated the recall

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/70183-medtronic-minimed-503-remote-transmitter-security-vulnerability-recall">Medtronic Minimed 503 Remote Transmitter Security Vulnerability Recall (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-0178-2020 (August 7, 2018) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0178-2020 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.