Key facts
| Recalling firm | Tandem Diabetes Care, Inc. |
|---|---|
| Manufacturer | Not disclosed in the FDA record. |
| Brand name | Not disclosed in the FDA record. |
| Product description | Brand Name: Tandem t:slim mobile application Product Name: t:slim Mobile Application, iOS Model/Catalog Number: iOS software version 2.13 Software Version: iOS software version 2.13 UDI-DI: 00389152470740 Component: No |
| Classification | Class II |
| Recall number | Z-3330-2026 |
| Report date | Not disclosed in the FDA record. |
| Status | Ongoing |
| Reason for recall | A beta (early-release) version of the iOS application, version 2.13 (TestFlight) had a software issue preventing successful pairing of the t:slim application with Abbott FreeStyle Libre 3 Plus (FSL3P) continuous glucose monitoring (CGM) sensors, resulting in the insulin pump being unable to establish a near-field communication (NFC) connection with the CGM and requiring FSL3P users to use their t:slim insulin pumps in manual mode. FSL3P users are unable to access their CGM's glucose values from within the t:slim app and cannot use their pumps in automated control (closed-loop) mode, which could lead to users experiencing hypoglycemia or hyperglycemia. |
What this classification means
A Class II recall is FDA’s middle classification. FDA assigns Class II when use of, or exposure to, the recalled product may cause temporary or medically reversible adverse health consequences, or where the probability of serious adverse health consequences is remote. FDA still requires the recalling firm to notify affected accounts and submit status reports on the correction, though the monitoring intensity is lower than for a Class I recall. FDA's Center for Devices and Radiological Health (for devices) or Center for Drug Evaluation and Research (for drugs) reviews the classification and can require additional corrective action if the initial response is judged insufficient. Because this record is filed as Class II, professionals and consumers handling an affected lot should treat FDA's own classification -- not this page's summary of it -- as the authoritative risk signal. A Class I recall is FDA’s most serious classification. FDA assigns Class I when there is a reasonable probability that use of, or exposure to, the recalled product will cause serious adverse health consequences or death. This classification does not mean harm has already occurred in every case -- it reflects FDA’s assessment of the realistic worst-case risk profile of the defect described in the recall, based on the reason for recall reported by the firm. Class I recalls receive the closest FDA monitoring of the three classes: the recalling firm typically must submit a recall strategy, periodic status reports, and effectiveness checks confirming that the affected lots have actually been removed from distribution or corrected in the field.
What consumers should do
Facilities, clinicians, and consumers holding an affected unit or lot of Brand Name: Tandem t:slim mobile application Product Name: t:slim Mobile Application, iOS Model/Catalog Number: iOS software version 2.13 Software Version: iOS software version 2.13 UDI-DI: 00389152470740 Component: No should stop using it for the purpose described in the recall notice and hold remaining stock pending instructions from Tandem Diabetes Care, Inc.. FDA recall records typically direct the recalling firm to notify known accounts directly with a recall letter describing the specific corrective action -- replacement, field correction, refund, or return. Anyone who received the product through a distributor rather than directly from Tandem Diabetes Care, Inc. should confirm with their supplier whether their specific lot or unit is on the affected list, since recall notices are lot- or unit-specific and not every unit of a product line is necessarily included. Questions about a specific unit's status should go to Tandem Diabetes Care, Inc. directly or to the distributor that supplied it; Argus HQ is a public-record aggregator, not the recalling firm, and cannot confirm individual unit status.
Tandem Diabetes Care, Inc.’s FDA history
Argus HQ has recorded 1 total FDA action tied to Tandem Diabetes Care, Inc.: 0 warning letters, 1 recall, 0 approval records, and 0 Form 483 inspection citations.
Frequently asked questions
- What is the recall class for Tandem Diabetes Care, Inc.'s recall?
- FDA classified this recall as Class II. A Class II recall is FDA’s middle classification. FDA assigns Class II when use of, or exposure to, the recalled product may cause temporary or medically reversible adverse health consequences, or where the probability of serious adverse health consequences is remote.
- Why was Brand Name: Tandem t:slim mobile application Product Name: t recalled?
- FDA's recall record states the reason as: A beta (early-release) version of the iOS application, version 2.13 (TestFlight) had a software issue preventing successful pairing of the t:slim application with Abbott FreeStyle Libre 3 Plus (FSL3P) continuous glucose monitoring (CGM) sensors, resulting in the insulin pump being unable to establish a near-field communication (NFC) connection with the CGM and requiring FSL3P users to use their t:slim insulin pumps in manual mode. FSL3P users are unable to access their CGM's glucose values from within the t:slim app and cannot use their pumps in automated control (closed-loop) mode, which could lead to users experiencing hypoglycemia or hyperglycemia.
- Who should I contact about this recall?
- Contact Tandem Diabetes Care, Inc. directly, or the distributor/pharmacy that supplied the product, to confirm whether your specific lot or unit is affected. Argus HQ aggregates the public FDA recall record and is not the recalling firm.
- Has Tandem Diabetes Care, Inc. had other FDA recalls or enforcement actions?
- This is the only FDA action Argus HQ has on file for Tandem Diabetes Care, Inc. so far. Argus ingests new FDA enforcement records daily.
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Related enforcement actions
Full FDA history for Tandem Diabetes Care, Inc.Compiled by Argus HQ Research from FDA primary sources · Reviewed by Andy Gaber, Founder
Cite this record
Reusing this data in reporting or research? Here’s a ready-made citation.
Argus HQ Research (2026). FDA Class II Recall: Brand Name: Tandem t:slim mobile application Product Name:… by Tandem Diabetes Care, Inc.. Digital Empire Holdings LLC. Retrieved from https://argushq.ai/recall/tandem-diabetes-care-z-3330-2026-2026-10-07
"FDA Class II Recall: Brand Name: Tandem t:slim mobile application Product Name:… by Tandem Diabetes Care, Inc.." Argus HQ Research, Digital Empire Holdings LLC, 2026, argushq.ai/recall/tandem-diabetes-care-z-3330-2026-2026-10-07.
Argus HQ Research. "FDA Class II Recall: Brand Name: Tandem t:slim mobile application Product Name:… by Tandem Diabetes Care, Inc.." Digital Empire Holdings LLC. Accessed October 13, 2026. https://argushq.ai/recall/tandem-diabetes-care-z-3330-2026-2026-10-07.
@misc{argushq_argushq_ai_recall_tandem_diabetes_care_z_3330_2026_2026_10_07_2026,
title = {FDA Class II Recall: Brand Name: Tandem t:slim mobile application Product Name:… by Tandem Diabetes Care, Inc.},
author = {{Argus HQ Research}},
year = {2026},
publisher = {Digital Empire Holdings LLC},
url = {https://argushq.ai/recall/tandem-diabetes-care-z-3330-2026-2026-10-07},
note = {Accessed: October 13, 2026}
}Source: FDA.gov — Recalls ↗

