Washington Revised Code Title 48. Insurance § 48.165.040. Lead organization tasks--Uniform standard companion document and data set

(a) Be based on nationally accepted ANSI X12 270/271 standards for eligibility inquiry and response and, wherever possible, be consistent with the standards adopted by nationally recognized organizations, such as the centers for medicare and medicaid services;

(b) Enable providers and payors to exchange eligibility requests and responses on a system-to-system basis or using a payor supported web browser;

(c) Provide reasonably detailed information on a consumer's eligibility for health care coverage, scope of benefits, limitations and exclusions provided under that coverage, cost-sharing requirements for specific services at the specific time of the inquiry, current deductible amounts, accumulated or limited benefits, out-of-pocket maximums, any maximum policy amounts, and other information required for the provider to collect the patient's portion of the bill; and

(d) Reflect the necessary limitations imposed on payors by the originator of the eligibility and benefits information;