# Omnipod: auto-calc by PDM or manual bolus calculations?

**URL:** <https://forum.fudiabetes.org/t/omnipod-auto-calc-by-pdm-or-manual-bolus-calculations/3088>\
**Category:** Pump\
**Tags:** omnipod\
**Created:** [January 4, 2018, 4:25am UTC](https://forum.fudiabetes.org/t/omnipod-auto-calc-by-pdm-or-manual-bolus-calculations/3088 "2018-01-04T04:25:29Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![ClaudnDaye](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/claudndaye/32/5_2.png) [@ClaudnDaye](https://forum.fudiabetes.org/u/ClaudnDaye)\
**Post date:** [January 4, 2018, 4:54am UTC](https://forum.fudiabetes.org/t/omnipod-auto-calc-by-pdm-or-manual-bolus-calculations/3088/9 "2018-01-04T04:54:43Z")

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> [@PDM fails at math?](https://forum.fudiabetes.org/t/pdm-fails-at-math/3051/29):
>
> We have never used preset bolus numbers. Do you mean for specific kinds of foods, or standard meals?

We have a basic I:C for MOST foods…foods that we know will require more insulin such as pizza, we adjust for. But most foods…if it’s 20 carbs…we bolus for a straight 20 carbs…we don’t differentiate carbs from one food -vs- carbs from another food (unless, as I said, it’s something high starch content or will digest over a longer period of time and typically spike for us.)

So we check BG’s, then, if they’re in range, we just program X carbs, and have the PDM adminster whatever the correct dose is based on the variables we’ve established for him (I:C, DIA, ISF, etc.,)

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