Tandem Diabetes Care, Inc. recalls Tandem Mobi Insulin Pump with Interoperable Technology
Reason for recall
A software defect in Version 7.9 of the pump software for Tandem t:slim X2 and Tandem Mobi pumps, when used with Control IQ+ technology, will cause the pump to incorrectly interpolate glucose trends when the Estimated Glucose Value (EGV) is above 255 mg/dL at the start or end of a gap in data collection due to a lapse in connection from a paired continuous glucose monitor (CGM) sensor, which can lead to under-delivery or over-delivery of insulin based on inaccurate result leading to severe cases of hypoglycemia or hyperglycemia.
Affected product
Check your device
Enter a lot, serial, REF, or UDI number from your device's label to check it against this recall's listed codes.
Affected products & lots
- Tandem Mobi Insulin Pump with Interoperable TechnologyUDI 00389152480114
What the firm is doing
On February 28, 2025 Tandem Diabetes Care contacted each affected customer by phone concerning a Urgent Medical Device Correction. On March 11, 2025, Tandem followed up with a "Urgent Medical Device" Recall notification via E-Mail to affected consignees. Tandem ask consignees to take the following action: 1. Turn off Control-IQ+ immediately. You may continue to use your pump without Control-IQ active. Your pump will deliver insulin based on your programmed active personal profile and will not automatically adjust insulin delivery. 2. Please refer to the user guide provided with your pump for more detailed instructions. 3. Continue using your Tandem pump as described in the User Guide. 4. Pay attention to all system alerts and alarms. 5. Always carry back-up supplies.
DistributionShow detailsHide
US: AZ, CA, CO, CT, FL, HI, IA, ID, IL, IN, MD, ME, MI, MO, MS, NC, ND, NE, NJ, NM, NV, NY, OH, PA, TX, UT, VA, WA, WI OUS: N/A
A reasonable probability that use of the product will cause serious adverse health consequences or death.
Sources & references
- FDA enforcement recordOfficial FDA database entry for Z-1520-2025
- FDA 510(k) clearance · K241078The device's official FDA premarket clearance record
- FDA device classification · QFGOfficial FDA classification for this device type
- CFR regulation · 21 CFR 880.5730The federal regulation governing this device
- FDA recall announcementSearch FDA.gov for the official press announcement
- Find Tandem Diabetes Care, Inc.Search for the manufacturer's official notice
- News coverageRecent reporting on this recall and manufacturer
- openFDA data recordThe raw JSON record this page is built from
Source: U.S. FDA openFDA device enforcement reports. This summary is informational and may lag or differ from the official record. Always verify against the FDA before acting.
Taylor Coteus is RecallWatch's Legal News Analyst, covering FDA medical-device enforcement and patient-safety litigation. He reviews every recall against the FDA's official openFDA record before it is published and is responsible for corrections and editorial accuracy.
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