Claim Adjustment Calculator accuracy and testing

Formula source

• Estimated adjustment = max(0, billed charges - allowed amount). Unreconciled balance = allowed amount - insurance payment - patient responsibility.

Test cases

Known limitations

• This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
• Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

• The billed, allowed, payment, and patient responsibility amounts refer to the same claim or line.
• The calculation does not infer denial reason codes, bundling edits, recoupments, sequestration, or payer-specific contract terms.
• This is an insurance workflow estimate, not legal, coverage, billing, or contract advice.
• No claim details are stored; the calculation runs from the values you enter.

Unit handling

• Billed Charges accepts values in $.
• Allowed Amount accepts values in $.
• Insurance Payment accepts values in $.
• Patient Responsibility accepts values in $.
• Estimated Claim Adjustment is displayed as currency.
• Adjustment Percent of Billed is displayed as a percentage.
• Unreconciled Balance is displayed as currency.
• Payment Plus Patient Responsibility is displayed as currency.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Currency outputs are displayed with standard US dollar formatting.
• Percent outputs are displayed with two decimal places.
• Input precision follows configured step values where provided.

Version history

Change log