How does a health insurance company determine what claims they will and will not cover?

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Asked March 8, 2011

1 Answer


Health insurance companies use several methods to determine what claims they will and will not cover. Some of the most common factors that are considered include:

  • Plan benefits and exclusions: Each health insurance plan has a specific list of benefits and exclusions, which outline what is covered and what is not. For example, some plans may cover preventive care, mental health services, and prescription drugs, while others may exclude these services.
  • Medical necessity: Health insurance companies generally cover only medically necessary services. This means that the treatment or service must be required to diagnose, treat, or prevent a specific medical condition. The insurer may use medical guidelines, such as those established by medical societies, to determine medical necessity.
  • Prior authorization: Some services may require prior authorization before they are covered. This means that the insurer must approve the service before it is provided. The insurer may require additional documentation or information to determine whether the service is medically necessary.
  • Network providers: Most health insurance plans have a network of healthcare providers, and the insurer may only cover services received from in-network providers. If a patient receives care from an out-of-network provider, the insurer may not cover the cost, or may only cover a portion of the cost.
  • Plan limitations: Some health insurance plans have limitations on certain services, such as the number of visits to a specialist or the amount of coverage for certain procedures. These limitations may be based on the specific plan or the patient's medical condition.
  • Medical billing codes: Health insurance companies use medical billing codes to determine what services are covered. If a service is not covered under the patient's plan, the insurer may deny the claim.
  • Cost-sharing: Health insurance plans often require patients to share the cost of healthcare services through copayments, deductibles, and coinsurance. The insurer may not cover a service if the patient has not met their cost-sharing requirements.
Overall, health insurance companies use a combination of these factors to determine what claims they will and will not cover. It is important for patients to understand their health insurance plan and its limitations, and to work with their healthcare providers and insurance company to ensure that they receive the necessary care at a reasonable cost.

Answered March 8, 2011 by Anonymous

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