Every merchant is assigned a merchant category code (MCC) — a four-digit number used by card networks to classify the primary business activity. MCCs determine how transactions are processed, how fees are structured, and how risk is assessed.
Let’s take a closer look at MCC 0742.
What is MCC 0742?
Merchants classified with MCC 0742 are licensed practitioners of veterinary medicine, dentistry, or surgery. This MCC includes medical practitioners of:
- pets (dogs, cats, etc.)
- livestock (cattle, horses, sheep, hogs, goats, poultry, etc.)
- large or exotic animals
Examples of businesses with this MCC include animal doctors, hospitals, and clinics with veterinary services.
What are some similar MCCs?
Knowing similar MCCs can help you understand what risk and compliance profiles your acquirer may be comparing you to.
Ready to Process Securely Under MCC 0742?
AltoPay helps online merchants process payments, reduce disputes, and scale confidently. Whether you’re expanding your business or upgrading from a limited processor, we can help you simplify the complexities of payments.

For more than a decade, Jessica Velasco has been a thought leader in the payments industry. She aims to provide readers with valuable, easy-to-understand resources.