Box 4 - Type of Bill

Box Definition 

Box 4 on the UB-04 claim form is intended to display the type of bill to the payer for claim processing. There are four digits that comprise a bill type:

• First Digit = Leading zero. Ignored by CMS
• Second Digit = Type of facility
• Third Digit = Type of care
• Fourth Digit = Sequence of this bill in this episode of care, referred to as a "frequency" code.

In Kipu RCM

Let's review how to update the Second and Third digits of the Bill-Type, also known as the Bill Type Prefix, on Institutional Claims.

• The Service Billing Profile will traditionally determine the Bill-Typce prefix. For more information on updating the billing profile, click here. 
• Two claim rules can be used to update the Bill-Type prefix. Review each rule below to determine which is best for you.
  • Service Grouping Rule: Update Billing Profile
  • Claim Form Rule: Update Bill-Type Prefix
• The Bill-Type Prefix can be edited on a claim before submitting it using our Claim Edits feature. To learn more about this feature, click here.

EDI Loop and Segment

Loop 2300, Segment CLM05-1 & CLM05-3 For additional information on loops and segments, click here.