Reasonable and Necessary

/ˈriːzənəbl ənd ˈnɛsəsɛri/

Definitions

  1. (adj.) Appropriate and justified under the circumstances in law or regulation, especially concerning expenses, actions, or decisions.
    The court ruled that the plaintiff’s medical expenses were reasonable and necessary.
  2. (adj.) Meeting the legal criteria for coverage or reimbursement, particularly in insurance, healthcare, or workers’ compensation contexts.
    Insurance providers must cover only reasonable and necessary treatments.

Forms

  • reasonable and necessary

Commentary

Commonly used in legal standards for evaluating claims or conduct to ensure actions or costs are justified and appropriate; often a key criterion in insurance and benefits law.

This glossary is for general informational and educational purposes only. Definitions are jurisdiction-agnostic but reflect terminology and concepts primarily drawn from English and American legal traditions. Nothing herein constitutes legal advice or creates a lawyer-client relationship. Users should consult qualified counsel for advice on specific matters or jurisdictions.

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