Back to calculator
Medical BillingGenerated accuracy model review: 2026-05-06
Timely Filing Deadline Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Filing deadline = Service date + Filing window days. Internal submission target = Filing deadline - Buffer days.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Payer Filing Preset: Commercial payer planning - 180 days
- Service Date: 2026-04-30
- Custom Filing Window: 180 days
- Submission Buffer: 14 days
Expected outputs
- Timely Filing Deadline: 2026-10-27
- Internal Submit By: 2026-10-13
- Days Remaining: 33
- Status: Within estimated filing window
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 calculation uses calendar days.
- Preset windows are planning references and not payer-contract content.
- Payer rules may use received date, discharge date, corrected-claim rules, or special exceptions.
- This is not legal, compliance, billing, or payer-contract advice.
Unit handling
- Payer Filing Preset accepts one of the configured options.
- Service Date accepts calendar dates.
- Custom Filing Window accepts values in days.
- Submission Buffer accepts values in days.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current timely-filing-deadline-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Timely Filing Deadline Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.