New York Laws
Title 2 - Right to External Appeal
4917 - Hold Harmless.

ยง 4917. Hold harmless. A health care provider requesting an external
appeal of a concurrent adverse determination, including when the health
care provider requests an external appeal as the insured's designee,
shall not pursue reimbursement from the insured for services determined
not medically necessary by the external appeal agent, except to collect
a copayment, coinsurance or deductible.