Animal Health Diagnostic Center

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Client Accounts and Payments

All samples submitted become the property of the AHDC upon receipt of submissions. The submitter is financially responsible for all testing requested or added to the original submission that is necessary to reach a diagnosis. The submitter agrees to the terms and conditions set forth in the AHDC Credit and Collections Policy (see below). The AHDC does not accept samples submitted by an owner where no veterinarian is involved. Any exception to this submission policy requires prior approval from the AHDC.

Payments of all charges are the responsibility of the submitting veterinarian. Charges are billed on a monthly invoice. We bill only when all of the testing on a submitted case has been finalized.

Please remit payments to the following address:
Animal Health Diagnostic Center
PO Box 6491
Ithaca NY 14851-6491

Note: Sending your payment to the AHDC Courier or USPS address rather than to this PO Box address will significantly delay the processing of your payment. This address is to be used ONLY for remitting payments. DO NOT submit samples to this address or there will be a delay in testing!

Be sure to return the top third of the invoice with your payment and reference your invoice number on your check to facilitate proper credit of your account. The AHDC accepts payment via cash, check and credit card. We accept Visa, MasterCard, American Express and Discover. Credit card payments can be sent to the remit-to address, called in (607-253-3951), or faxed to the secure line only (607-253-3977). Please use this form when faxing in payment.To ensure proper management of your account records, your account number must be used in all correspondence with the AHDC.

The AHDC Credit and Collections Policy

Payment Terms: All AHDC invoices are due 30 days from the date of the invoice. However, penalties and interest charges are not assessed until balances are 90 days or more overdue. This arrangement accommodates the reality of the timing of bills being received by our clients and the possibility of payments not being received or posted in time to be reflected on the following month's invoice. The billing system will issue a new invoice number each month regardless of the nature of the balance.

Finance Charges: Balances that are 90 days or more overdue will be subject to a 3.5% finance charge, calculated on the 25th of each month on the balance due at that time. This charge will be added to the outstanding account balance. Notification of balances past due will be provided monthly. A recommended way to avoid finance charges is to maintain a balance below 90 days or to have a credit card on file with the AHDC; see the following section on the Monthly Auto-Payment Plan for more details.

Penalties: Active accounts with an outstanding balance greater than $500 and over 150 days past due for three consecutive months will be charged an additional $25 delinquent account fee and placed on Credit Hold. Any pending test results will not be released until the full balance due is paid or a satisfactory payment arrangement has been made. Active accounts with balances less than $500 and inactive accounts reaching this point regardless of outstanding amount will be closed and forwarded to collections.

Collections: A Final Demand letter will be sent to you prior to being placed on Credit Hold or closed and forwarded to collections. At this point you will have 10 business days to pay your balance in full. Please note that collection fees assessed by an externally contracted agency will add between 25% and 50% to your outstanding account balance. In the event that your account is placed in this status, your privilege of utilizing the AHDC for your testing needs will be revoked and future specimens will be discarded without testing.

If you have a billing concern, please contact Billing Services at 607-253-3951 or 866-930-2432 to address it prior to the invoice due date. We can also be reached by e-mail at

Monthly Auto-Payment Plan

The AHDC offers our clients the convenience of enrolling in the Monthly Auto-Payment Plan. With this arrangement, the balance due each month is automatically charged to the credit card, providing you with additional flexibility in managing your accounts payable. To enroll, provide our Billing Services with a credit card number for charging your monthly account balance. Send it to the address indicated on the form or fax it to 607-253-3977. Payments will be reflected on your monthly invoice and will be processed on the first business day following the end of each month. Should your payment be refused by your bank for any reason, a notation will be made on your invoice and an adjustment will appear on the next month's invoice. This program helps to ensure that your payment is never received late. The AHDC does not telephone program participants when the payment is refused. In the event your credit card account becomes compromised or a new expiration date is issued or you need to change the card for any reason, it is your responsibility to notify us of change(s).