The Medicare A inpatient and Medicare B outpatient example illustrates which concept?

• A. Routing Rule
• B. Claim Split
• C. Claim Value Testing
• D. Crosswalk Mapping

Answer: (B)

Claim split is about dividing a single patient encounter into separate claims when portions of the service fall under different payment rules. In this Medicare example, the inpatient hospital portion is billed under Part A on an inpatient claim, while the outpatient or professional services associated with the same episode are billed under Part B on a separate outpatient/professional claim. Because Part A and Part B use different payment methodologies, deductibles, and claim formats, the system creates two claims to be adjudicated correctly. This separation demonstrates the concept of a claim split.

Routing rules would simply determine where to send claims, crosswalk mapping handles translating codes between systems, and claim value testing checks data fields and amounts. The scenario focuses on generating distinct claims from one event, which is why this illustrates claim split.