What it is:
Box 26 is used to indicate the identifier assigned by the provider. Enter the patient’s account number assigned by the provider of service’s or supplier’s accounting system. Do not enter hyphens with numbers. Enter numbers left justified in the field.
Therabill will use different values to populate box 26 depending on the Box 26 setting you have selected in the Insurance Company Settings > General tab for each specific payer.
Click on Billing->Insurance List to see the Manage Ins Companies page. Find the correct insurance company and click on the blue Info & Settings link. Click on the General tab and then click on the drop down for In Box 26 of CMS-1500 (Patient Account Number) use, to select the desired information that the payer is requiring to be entered in Box 26. You can choose between the following:
Insured's Primary ID
Patient external ID
Therabill's Patient Medical Record Number