California’s Hospital Fair Pricing Act classifies people as underinsured if they spent more than 10% of their income on out-of-pocket medical expenses in the last 12 months.
The Commonwealth Fund classifies people as underinsured if they had insurance all year, and either:
- spent more than 10% of their income on out-of-pocket medical expenses (OOPs), OR
- had an income level below 200% FPL and spent more than 5% of income on OOPs, OR
- had a deductible that took 5% or more of their income.
Use this tool to figure out whether you might qualify as underinsured using any of these definitions.


