Introduction

The Tandem t:slim Insulin Cartridge (300 Units) is a high-capacity, single-use insulin reservoir designed exclusively for use with the Tandem t:slim X2 insulin pump. It delivers insulin with high precision using Tandem’s Micro-Delivery Technology™ and is ideal for patients managing diabetes with intensive insulin therapy. With a 3 mL capacity and t:lock connection, it simplifies pump refills, minimizes insulin waste, and improves workflow.

Key Features

Who Is This For?

This insulin cartridge is suitable for:

• Adults and teens with type 1 diabetes using the t:slim X2 pump
• Type 2 diabetes patients requiring intensive insulin management
• Patients looking to reduce the frequency of reservoir changes
• Healthcare professionals managing patients using the t:slim X2 system

What’s in the Box?

• 10 x Tandem t:slim 300-Unit Insulin Cartridges (each individually sealed)
• 1 x Tandem fill syringe (per cartridge)
• Instruction guide for safe and accurate cartridge fill

How to Fill and Use

To ensure proper operation:

• Use only the included syringe to draw up U-100 insulin (Humalog or NovoLog recommended).
• Fill with a minimum of 120 units (maximum 300 units).
• Eliminate air bubbles by gently tapping the cartridge before inserting.
• Attach to a compatible t:lock infusion set, then prime via the pump.
• Do not reuse or attempt to refill a used cartridge.

Compatibility

• Compatible Devices: Tandem t:slim X2 insulin pump only
• Compatible Insulin: U-100 rapid-acting insulin (e.g., Humalog, NovoLog)
• Compatible Infusion Sets: All t:lock infusion sets (AutoSoft 90, VariSoft, TruSteel, etc.)

Where to Buy

You can purchase the Tandem t:slim Insulin Cartridge online through durable medical equipment suppliers or pharmacies carrying Tandem Diabetes products. Ensure you are buying from an authorized distributor for warranty and insurance eligibility.

Insurance & Ordering Information

HCPCS Code: A4225 (syringe with needle, sterile for pump use)
Prescription Required: Yes
Insurance Coverage: Eligible under most commercial and Medicare plans that support insulin pump therapy.
Shipping: Available with free U.S. shipping through select DME providers.

Need Help?

If you have questions about cartridge compatibility, filling steps, or insurance coverage, contact our support team or your diabetes educator for professional assistance.