Ben Weiss April 29, 2022 Billing, EHR, Healthcare Software, How to Guides, Insurance Billing, The Treatment Community, Overdose Epidemic What Addiction Treatment Diagnosis Codes Should I Use for URs With Health Care Service Corporation? Ben Weiss April 29, 2022 Billing, EHR, Healthcare Software, How to Guides, Insurance Billing, The Treatment Community, Overdose Epidemic HCSC has a history of denying addiction treatment claims by using overly restrictive guidelines that contradict the APA’s clinical opinion. It’s critical that you use the correct diagnosis code for every HCSC UR.