The Best Chart of Accounts for a Small Animal Practice

2026-08-21

Learn the ideal chart of accounts for a small animal practice, with sample categories, setup steps, and common mistakes to avoid.

A chart of accounts (COA) is the backbone of your veterinary practice’s financial record keeping. It organizes every transaction into categories, making it possible to track revenue, expenses, assets, and liabilities accurately. For a small animal practice, the best COA is one that is tailored to the unique revenue streams and cost structures of veterinary medicine, while remaining simple enough for a non-accountant to use. This guide provides a practical, ready-to-implement COA structure, along with steps to set it up in your accounting software.

Why Your Chart of Accounts Matters

Your COA directly affects your ability to produce meaningful financial reports. A well-designed COA lets you see at a glance which services generate the most profit, where your overhead is creeping up, and how your practice compares to industry benchmarks. A poorly designed COA, on the other hand, can hide problems or create confusion during tax time. For example, if you lump all revenue into a single “Sales” account, you won’t know whether your boarding income is covering its costs or if your lab work is underpriced.

Core Structure of a Veterinary COA

A standard COA is divided into five main categories: assets, liabilities, equity, revenue, and expenses. Within each, you’ll create subaccounts that reflect your practice’s specific operations. Here is a recommended starting structure for a small animal practice.

Assets (1000-1999)

1010 Cash - Checking
1020 Cash - Savings
1100 Accounts Receivable
1200 Inventory - Medications and Supplies
1300 Prepaid Expenses (e.g., insurance, software subscriptions)
1500 Equipment - Medical (e.g., ultrasound, X-ray, surgical tools)
1510 Accumulated Depreciation - Medical Equipment
1520 Equipment - Office (e.g., computers, furniture)
1530 Accumulated Depreciation - Office Equipment
1600 Leasehold Improvements

Liabilities (2000-2999)

2010 Accounts Payable
2100 Accrued Payroll (wages owed but not yet paid)
2110 Payroll Taxes Payable
2200 Sales Tax Payable (if applicable in your state)
2300 Notes Payable - Bank Loans
2400 Line of Credit
2500 Credit Cards Payable

Equity (3000-3999)

3010 Owner’s Capital
3020 Owner’s Draw (for sole proprietors or partnerships)
3100 Retained Earnings (for corporations)
3200 Current Year Earnings (net profit or loss)

Revenue (4000-4999)

4010 Examination Fees
4020 Vaccination Fees
4030 Surgical Services
4040 Dental Services
4050 Laboratory Services (in-house and reference lab markups)
4060 Diagnostic Imaging (X-ray, ultrasound)
4070 Pharmacy Sales (prescription medications)
4080 Over-the-Counter Products (flea/tick, supplements, food)
4090 Boarding and Grooming
4100 Wellness Plans (if you offer subscription-based care)
4110 Other Income (e.g., interest, rebates)

Expenses (5000-5999)

5010 Cost of Goods Sold - Medications and Supplies (COGS)
5020 Laboratory Reference Fees (cost of sending out tests)
5030 Veterinary Supplies (disposables, syringes, bandages)
5100 Payroll - Veterinarians
5110 Payroll - Technicians and Assistants
5120 Payroll - Front Office Staff
5130 Payroll - Management (if separate)
5140 Payroll Taxes and Benefits (employer portion)
5200 Rent or Lease - Building
5210 Utilities (electric, water, gas)
5220 Telephone and Internet
5230 Insurance - Professional Liability
5240 Insurance - Property and Casualty
5250 Insurance - Workers’ Compensation
5300 Marketing and Advertising
5310 Website and Online Booking Fees
5400 Accounting and Legal Fees
5410 Software Subscriptions (practice management, accounting, payroll)
5420 Bank and Credit Card Processing Fees
5500 Equipment Maintenance and Repairs
5510 Vehicle Expenses (if you have a mobile unit)
5600 Continuing Education
5700 Office Supplies
5800 Janitorial and Waste Disposal
5900 Miscellaneous

How to Customize for Your Practice

No two practices are identical, so adjust the COA to fit your services. For example, if you offer acupuncture or chiropractic care, create a separate revenue account for those. If you run a boarding facility with separate staffing, consider a dedicated expense account for boarding supplies. The key is to balance detail with usability. Too many accounts can make data entry cumbersome; too few can obscure important trends.

Setting Up Your COA in QuickBooks or Xero

Most practices use accounting software like QuickBooks Online or Xero. Here’s how to set up your COA in either platform.

Start with a clean slate: If you’re using a generic template, delete or deactivate accounts you don’t need. If you’re starting fresh, enter the accounts listed above.
Assign account numbers: While QuickBooks doesn’t require numbers, Xero does. Use the numbering system above for consistency.
Set up subaccounts: For example, under “Payroll - Technicians,” you might have subaccounts for regular pay, overtime, and bonuses.
Connect your bank and credit card feeds: This will automatically categorize transactions, but you’ll need to review and recategorize as needed.
Test with a sample transaction: Enter a mock sale and a mock expense to ensure the accounts appear correctly on your profit and loss statement.

Common Mistakes to Avoid

Using personal expenses: Never mix personal and business expenses in the same COA. Create separate accounts for personal draws or reimbursements.
Overcomplicating COGS: For a small practice, you can track COGS in a single account for medications and supplies. If you want more detail, split by category (e.g., pharmacy, surgical, lab).
Ignoring inventory: If you don’t track inventory, you’ll miss shrinkage and theft. At minimum, use a COGS account and do a physical count quarterly.
Not reviewing regularly: Your COA should evolve as your practice grows. Review it annually with your accountant.

FAQ

How many accounts should a small animal practice have?

A typical small animal practice has between 30 and 50 accounts. Fewer than 30 may be too broad; more than 50 can become unwieldy. Start with the core structure above and add only when you see a clear need.

Can I use a generic chart of accounts from my software?

Yes, but you’ll need to customize it heavily. Generic templates often include accounts for retail or manufacturing that are irrelevant to a vet practice. Tailor the accounts to your revenue streams and expenses.

Should I track inventory in the chart of accounts?

Yes, at least at a high level. Create an asset account for inventory and a COGS account for the cost of items sold. If you use a practice management system that tracks inventory, you can sync it with your accounting software to avoid manual entries.

How often should I update my chart of accounts?

Review your COA at least once a year, ideally before tax season. Also, update it whenever you add a new service line or major expense category, such as hiring a new specialist or purchasing a new piece of equipment.

The Bottom Line

The best chart of accounts for a small animal practice is one that reflects your specific operations, is simple enough to use consistently, and provides the data you need to make informed decisions. Use the structure above as a starting point, customize it to your services, and set it up carefully in your accounting software. Review it annually with your accountant to ensure it continues to serve your practice’s needs. With a solid COA in place, you’ll have accurate financial reports that help you manage cash flow, control costs, and plan for growth.