Long-acting injectable buprenorphine — Billing codes — Reimbursement.
RCW 74.09.559
in effect(1) The authority shall establish appropriate billing codes for hospitals and psychiatric hospitals that administer long-acting injectable buprenorphine on an outpatient basis to use for billing patients enrolled in a medical assistance program. (2) Upon initiation or renewal of a contract with the authority to administer a medicaid managed care plan, a managed care organization must reimburse a hospital or psychiatric hospital that bills for the administration of long-acting injectable buprenorphine on an outpatient basis as a separate reimbursable expense. (3) Beginning January 1, 2025, for individuals enrolled in a medical assistance program that is not a medicaid managed care plan, the authority must reimburse a hospital or psychiatric hospital that bills for the administration of long-acting injectable buprenorphine on an outpatient basis administered as a separate reimbursable expense. (4) Reimbursements provided under this section must be separate from any bundled payment for outpatient hospital or emergency department services.
(1) The authority shall establish appropriate billing codes for hospitals and psychiatric hospitals that administer long-acting injectable buprenorphine on an outpatient basis to use for billing patients enrolled in a medical assistance program.
(2) Upon initiation or renewal of a contract with the authority to administer a medicaid managed care plan, a managed care organization must reimburse a hospital or psychiatric hospital that bills for the administration of long-acting injectable buprenorphine on an outpatient basis as a separate reimbursable expense.
(3) Beginning January 1, 2025, for individuals enrolled in a medical assistance program that is not a medicaid managed care plan, the authority must reimburse a hospital or psychiatric hospital that bills for the administration of long-acting injectable buprenorphine on an outpatient basis administered as a separate reimbursable expense.
(4) Reimbursements provided under this section must be separate from any bundled payment for outpatient hospital or emergency department services.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=74.09&full=trueFetched: 6/29/2026