MedicaidBilling CodesMedium impact
Updated Sleep Centers Billing Guide, effective February 13, 2026
Washington Apple Health·WA · Sleep Medicine·Billing Guide
Effective date
Feb 13, 2026
We identified it
Jun 20, 2026
Summary
Washington State Health Care Authority corrected an error in the Sleep Centers Billing Guide for respiratory assist devices. The HCPCS code was incorrectly listed as E0740 but should be E0470.
Action Required
Immediately: Billing team must update system to use correct HCPCS code E0470 for respiratory assist devices in sleep centers. Stop using incorrect code E0740. Update encounter forms and billing software to reflect the correct code.