Preauthorization.
Insurance must approve in advance.
Some procedures require your insurer's approval before they'll pay. If you skip it, the claim can be denied entirely. Always check; often handled by the provider's office, but worth confirming. Keep the prior auth number.
Use this in real life.
The price comparison tool surfaces every term in this glossary in context — plan tiers, deductible status, cash-pay vs. negotiated rate. Pick a procedure to see them all in action.
Browse procedures →