71 IAC 8-1-4.2 Threshold levels

Sec. 4.2. The official blood (serum or plasma) and urine samples may contain only the following therapeutic medications or their metabolites or analogues, and shall not exceed the threshold concentrations specified in this rule: (1) The use of acepromazine shall be permitted under the following conditions: Not to exceed ten (10) nanograms per milliliter of the metabolite, 2-(1-hydroxyethyl) promazine sulfoxide (HEPS), in urine. (2) The use of albuterol shall be permitted under the following conditions: Not to exceed one (1) nanogram per milliliter of total albuterol (albuterol plus conjugates) in urine. (3) The use of betamethasone shall be permitted under the following conditions: Not to exceed ten (10) picograms per milliliter of betamethasone in serum or plasma. (4) The use of butorphanol shall be permitted under the following conditions: Not to exceed three hundred (300) nanograms per milliliter of total (free and conjugated) butorphanol in urine or two (2) nanograms per milliliter of free butorphanol in serum or plasma. (5) The use of clenbuterol shall be permitted under the following conditions: Not to exceed one hundred forty (140) picograms per milliliter clenbuterol in urine or the limit of detection (LOD) in serum or plasma. (6) The use of cetirizine shall be permitted under the following conditions: Not to exceed six (6) nanograms per milliliter of serum or plasma. (7) The use of cimetidine shall be permitted under the following conditions: Not to exceed four hundred (400) nanograms per milliliter of serum or plasma. (8) The use of dantrolene shall be permitted under the following conditions: Not to exceed one hundred (100) picograms per milliliter of 5-hydroxydantrolene in serum or plasma. (9) The use of detomidine shall be permitted under the following conditions: Not to exceed two (2) nanograms per milliliter of carboxydetomidine in urine or one (1) nanogram per milliliter of detomidine in serum or plasma. (10) The use of dexamethasone shall be permitted under the following conditions: Not to exceed five (5) picograms per milliliter of dexamethasone in plasma or serum. (11) The use of dimethylsulfoxide (DMSO) shall be permitted under the following conditions: Not to exceed ten (10) micrograms per milliliter of DMSO in serum or plasma. (12) The use of glycopyrrolate shall be permitted under the following conditions: Not to exceed three (3) picograms per milliliter of glycopyrrolate in serum or plasma. (13) The use of guaifenesin shall be permitted under the following conditions: Not to exceed twelve (12) nanograms per milliliter of serum or plasma. (14) The use of isoflupredone shall be permitted under the following conditions: Not to exceed one hundred (100) picograms per milliliter of isoflupredone in serum or plasma. (15) The use of lidocaine shall be permitted under the following conditions: Not to exceed twenty (20) picograms per milliliter of total 3-hydroxylidocaine (to include conjugates) in serum or plasma. (16) The use of mepivacaine shall be permitted under the following conditions: Not to exceed ten (10) nanograms per milliliter of total 3-hydroxymepivacaine in urine or the LOD of mepivacaine in serum or plasma. (17) The use of methocarbamol shall be permitted under the following conditions: Not to exceed one (1) nanogram per milliliter of methocarbamol in serum or plasma. (18) The use of methylprednisolone shall be permitted under the following conditions: Not to exceed one hundred (100) picograms per milliliter of methylprednisolone in serum or plasma. (19) The use of omeprazole shall be permitted under the following conditions: Not to exceed ten (10) nanograms per milliliter of omeprazole sulfide in serum or plasma. (20) The use of prednisolone shall be permitted under the following conditions: Not to exceed one (1) nanogram per milliliter of prednisolone in serum or plasma. (21) The use of procaine penicillin shall be permitted under the following conditions: (A) Not to exceed twenty-five (25) nanograms per milliliter of procaine in serum or plasma. (B) Administration of procaine penicillin must be reported to the official veterinarian at the time of administration. (C) Procaine penicillin must not be administered after the horse is entered to race. (D) Mandatory surveillance of the horse must occur for the six (6) hours immediately preceding the race for which the horse is entered by association security at the owner's expense. (22) The use of ranitidine shall be permitted under the following conditions: Not to exceed forty (40) nanograms per milliliter in serum or plasma. (23) The use of triamcinolone acetonide shall be permitted under the following conditions: Not to exceed one hundred (100) picograms per milliliter of triamcinolone acetonide in serum or plasma. (24) The use of xylazine shall be permitted under the following conditions: Not to exceed two hundred (200) picograms per milliliter of xylazine in serum or plasma.