MedicaidCoverageMedium impact
Outpatient Hospital Services Billing Guide, effective 2/15/2022
Washington Apple Health·WA · Emergency Medicine·Billing Guide
Effective date
Feb 15, 2022
We identified it
Jun 20, 2026
Summary
Washington State updated its Outpatient Hospital Services Billing Guide to allow hospital emergency departments to bill for naloxone distributed to patients at risk of opioid overdose, updated modifier PO definition with reference to federal regulations, and changed telemedicine cross-references.
Action Required
By February 15, 2022: Hospital emergency departments in Washington State must establish billing procedures for naloxone distribution to patients at risk of opioid overdose. Update billing system with revised modifier PO definition per 42 CFR § 419.48. Update telemedicine billing references to point to HCA's provider billing guides webpage.