(a) Every insurer issuing group or individual policies of health insurance that covers hospital, medical, or surgical expenses, including those telehealth services covered by the insurer as defined in subdivision (a) of Section 2290.5 of the Business and Professions Code, shall reimburse claims or any portion of any claim, whether in state or out of state, for those expenses as soon as practical, but no later than 30 working days after receipt of the claim by the insurer unless the claim or portion
A health insurer that provides coverage for hospital, medical, or surgical expenses that authorizes a specific type of treatment for services covered under a policyholder's contract or plan by a provider shall not rescind or modify this authorization after the provider renders the health care service in good faith and pursuant to the authorization for any reason, including, but not limited to, the insurer's subsequent rescission, cancellation, or modification of the insured's or policyholder's contract