Inhaler days supply
Days supply from actuations per inhaler and the prescribed puffs.
Inputs
Completepuffs
inhalers
puffs
per day
Worked calculation
Your values are highlighted.
- Days
When to use
- Billing inhalers, especially as-needed rescue inhalers.
Pearls and pitfalls
- Albuterol HFA usually has 200 actuations; many controllers have 60 or 120.
- Priming puffs (often 3–4 when new or unused) are not counted by most payers.
Why use
Quick, with as-needed directions handled by entering the maximum use.
Days = (actuations per inhaler × inhalers) ÷ (puffs per dose × doses per day)
Rounded down.