How to deliver a bolus with your t:slim X2 insulin pump

A bolus is a quick dose of insulin that is usually delivered to cover food eaten or to correct a high BG.

The minimum bolus size is 0.05 units. The maximum bolus size is 25 units. If you attempt to deliver a bolus that is larger than the amount of insulin in the cartridge, a message screen appears indicating that there is not enough insulin to deliver the bolus.

Your t:slim X2 Pump offers you the ability to deliver different boluses to cover carbohydrate intake (food bolus) and bring your BG back to target (correction bolus). Food and correction boluses can also be programmed together.

If Carbohydrates is turned on in your active personal profile, you will enter grams of carbohydrate and the bolus will be calculated using your Carb Ratio.

If Carbohydrates is turned off in your active personal profile, you will enter units of insulin to request the bolus.

PRECAUTION: CHECK your pump’s personal settings regularly to ensure they are correct. Incorrect settings can result in over delivery or under delivery of insulin. Consult your healthcare provider as needed. 

Please follow these steps to deliver a bolus with your t:slim X2 insulin pump.

Deliver a Bolus (PDF) >

Food bolus using units

1. From the Home screen, tap BOLUS.

2. Tap 0 units on the left side of the screen.

3. Using the on-screen keypad enter units of insulin to be delivered, then tap [check mark].

PRECAUTION: ALWAYS confirm that the decimal point placement is correct when entering bolus information. Incorrect decimal point placement can prevent you from getting the proper amount of insulin that your healthcare provider has prescribed for you.

4. Tap [check mark] to confirm the units of insulin to be delivered.

5. Confirm Request.

  • Tap [check mark] if entered data is correct.
  • Tap [ X ] to go back to make changes or view calculations.

6. Tap [check mark].

The BOLUS INITIATED screen is temporarily displayed.

Food bolus using grams

1. From the Home screen, tap BOLUS.

2. Tap 0 grams.

3. Using the on-screen keypad enter grams of carb and tap [check mark].

  • To add multiple carb values enter first value, then tap [ + } , enter second value, tap [ + ]. Continue until done.
  • To clear the value entered and start over, tap the back arrow.

4. Check that the grams of carb are entered in the correct location on the screen.

5. Tap [check mark] to confirm the units of insulin to be delivered.

You can always tap View Calculation to display the Delivery Calculation screen.

6. Confirm Request.

Tap [check mark] if entered data is correct.

Tap [ X ] to go back to make changes or view calculations.

7. Tap [check mark].

The BOLUS INITIATED screen is temporarily displayed.

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