In order to search for the list with the EOB codes, please use the following link: https://lni.wa.gov/patient-care/billing-payments/explanation-of-benefits
Here you have the option to search for the code (this might bring multiple results) or open the PDF document with the printable version of the EOB codes:
Attached is the PDF EOB list downloaded from the CAC website on 09/23/2021.