Code · CFR · Title 21 — Food and Drugs · Part 522 — Implantation or Injectable Dosage Form New Animal Drugs · § 522.500

§ 522.500. Cosyntropin injection.

117 words·~1 min read·/us/cfr/t21/s§ 522.500

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Sponsor. See No. 043264 in § 510.600(c) of this chapter.

(b)Specifications. Each milliliter

(mL)contains 0.25 milligrams

(mg)cosyntropin, 1 mg glacial acetic acid, 0.82 mg sodium acetate trihydrate, 8.1 mg sodium chloride, and water for injection (to 100%).

(c)Conditions of use—(1) Amount. Administer 0.25 mg (1 mL) per dog weighing 10-110 pounds (4.5-50 kilograms) by intravenous or intramuscular injection.

(2)Indications for use. For the evaluation of adrenal function in dogs.

(3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. It is a violation of Federal law to use this product other than as directed in the labeling. [91 FR 20342, Apr. 16, 2026]