The maximum authorized threshold for Phenylbutazone (bute) is 2.0 micrograms per milliliter of plasma or serum when administered in accordance with ARCI Controlled Therapeutic Medication Schedule Version 4.2.1 dated December 2020 and ARSD 20:04:27:14.
S.D. Admin. R. 20:04:27:13.13
General Authority: SDCL 42-7-56(4).
Law Implemented: SDCL 42-7-56(4).