Frequently Asked Questions

Why did I receive a bill from

CTA Pathology?

CTA Pathology's dermatopathologists provide their services to diagnose skin, hair, and/or nail lesions. This service was done at the request of a medical professional you recently visited, listed on your bill as "Referring Physician". Our board-certified dermatopathologists work with Referring Physicians to help accurately and timely diagnose medical conditions in order to provide you with the highest level of patient care.

How can I pay my bill?

You can pay your bill either online, over for the phone by calling (503) 906-7300, or by check made payable to CTA Pathology and sent to PO Box 230457, Portland, Oregon, 97281.

How much will my bill be?

The charges from CTA will typically fall between $100 and $250 per specimen.  The charges cover the tissue preparation, examination and dermatopathologist fee required to render a diagnosis.  Depending on the diagnosis, it is possible that the tissue examination may require additional staining /testing that could be substantially higher than $250.00

Does CTA accept my insurance?

CTA is a participating provider with most insurance companies. If CTA is not a participating provider with your insurance, CTA will send you a billing statement for any portion applied to your out-of-network deductible and/or coinsurance and you will be financially responsible.

Will CTA Provide me a discount if I don’t have insurance?

CTA offers reduced rate for uninsured and underinsured patients. 


For inquires regarding payment arrangements, please

call: (503) 906-7300, Monday - Friday, 8:00 am to 4:30 pm Pacific Standard Time. You can also email us at

Is the Invoice Number

the same as my

Account Number?

YES! Our online bill pay system asks for an "Invoice #" which is the "Account #" listed on your bill.