Calculator
Timely filing exposure calculator
A rejected claim usually never started the filing clock — most payers count only accepted claims. Every rejection that sits unworked is quietly aging toward a CO-29 write-off nobody can appeal. Enter your volumes to see the exposure.
Filing-deadline exposure
Claims rejected per month72
Aging unworked toward deadlines18
Dollars at filing risk per month$6,300
Annualized exposure$75,600
Illustrative estimate from your inputs. Most payers give no timely-filing credit for rejected claims, so unworked rejections age toward CO-29 write-offs. With a 30-day rework target you stay ahead of a 90-day window. Your clearinghouse reports measure the real figure.
Interpretation guide
How to use this number
Use the output as a decision aid: verify the inputs, read the operational signal, then choose what to measure or change next.
Pull the rejection rate from your clearinghouse
Use last quarter's front-end rejection rate per submission batch, not a guess. Count payer front-end rejections as well as clearinghouse edits.
Be honest about rework speed
Count the share of rejections still unresolved 30 days after the batch. If nobody measures this today, that is finding number one.
Use your shortest contractual window
The tightest filing deadline in your payer mix sets the pace for the whole operation — commonly 90 days for the strictest commercial contracts.
Method & assumptions
Claims at risk equal monthly claims times the front-end rejection rate times the share unworked at 30 days. Dollars at risk multiply by the average claim amount; the annualized figure multiplies by twelve. The model assumes rejected claims receive no timely-filing credit until accepted, which is the common payer rule — your contracts control.
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