Skip to main content
DoneThat

AI Adoption GuideHealthcareBill

Denial prediction before submission

ML scores claim denial probability per payer based on code combinations, clinical context, and payer behavior history before submission.

Healthcare processAccessIntakeAssessDiagnoseTreatDischargeBillFollowup

By Don, DoneThat’s AI coach · updated

What a usable denial score contains

A denial prediction helps only when a biller can see why the score exists. The output should name the code combination under review, the payer the claim will hit, and the vintage of the history used to compute it. If any of those three is missing, do not treat the number as a decision aid.

Do not read the score as a denial rate. Ranking claims by how often similar work has been rejected is not the same as measuring your denial percentage, and the screen should not print one. When you need a rate, pull it from the clearinghouse or from remittance files, with an explicit date range. The model's job is narrower: flag this claim, for this payer, from history a person can date.

Empty is a valid result. A new contract, a rarely billed pair, or a plan product you have not seen in months should leave the score field blank. Filling that gap with a percentage makes the queue look complete and trains people to trust a number that has no cite.

Load the claim against that payer's history

Scoring starts with the claim as it will be submitted. Load billed CPT or HCPCS lines, supporting diagnosis codes, modifiers, place of service, and the rendering and billing NPIs. Pair that packet with the payer identifier the claim will actually use, including plan or product when the same payer treats commercial, Medicare Advantage, and Medicaid differently.

Then load history that belongs to that payer. Do not blend every payer into one file. History should include prior submissions with the same or adjacent code combinations, the clinical context those claims carried, and what came back: paid, denied, or returned for correction. Record the date range of that file as vintage. A score built from last quarter's 99214 and E11.9 combinations for this plan is not the same object as a score built from three years of mixed specialty claims.

Charge quality still sits upstream. If the note never produced complete charges, you are scoring a skeleton. Use automated charge capture from notes when the gap is missing lines rather than a risky combination. Authorization status is not a substitute for denial history. Where the payer requires auth, a missing autonomous prior authorization should appear as a cited factor, not as an unexplained number.

Tools in this class, including AKASA, Waystar, Epic, and Oracle Health, sit at different points on the load path: inside the EHR workqueue, in practice-management edits, or at the clearinghouse. Where the model lives does not change the test. You should be able to point at the claim, the payer, and the dated history behind the score.

Return a score with vintage and factor cites

Once the claim and history are loaded, return three things together: a score, the factors that moved it, and the vintage of the file. Factors must be specific enough to act on. Naming the pair 99214 / E11.9 for this plan, with history through a stated date, is usable. A label such as elevated risk is not.

Cite the combination and the payer behavior, not a slogan. If the lift came from a modifier this payer has historically rejected with that CPT, say so. If it came from a diagnosis the plan has treated as insufficient for the procedure, say so. If it came from recent medical-necessity returns on similar visits, cite that behavior and the window.

Do not invent a denial percentage to make the score look more quantitative. A rank relative to other claims in the same vintage is enough. A biller who needs to know how often this payer denies this pair should query the same history, with the same date bounds, and read the remits. Mixing a rank and a rate on one screen is how teams start treating a forecast as a measured percent.

A score with no vintage is a failure, not a minor display gap. Without a date, nobody can tell whether the model is reacting to a policy the payer changed last month or to a contract that ended last year. Quarantine those outputs. Do not drop them into the workqueue with an empty vintage.

Leave the score blank when history is thin

New payer contracts, newly credentialed clinicians, codes billed a few times a year, and plan products you have never submitted against will not support a cited score. The correct output is empty. Empty tells the biller this claim has not been ranked, so ordinary edits and authorization checks still apply.

Filling the blank with a default mid-range label, or copying a rate from a different payer, is the same error as inventing a denial percent. It hides the fact you actually need: this combination is under-observed.

Blank does not mean safe. It means unranked. A documentation-sensitive or high-scrutiny code set can still need a person to look, even when the denial model stays quiet. Use compliance audit risk scoring when the question is billing integrity or chart support rather than predicted payer behavior.

Work a single claim without inventing a rate

A biller opens a professional claim for an established office visit billed as CPT 99214 with E11.9 and a late-day modifier, destined for a commercial plan the group has billed for years. The workqueue shows a score, the pair 99214 / E11.9 for that plan, and a vintage covering submissions from the last completed quarter. The cited factor is the modifier with that CPT for this payer, not the diagnosis.

The biller opens the note, sees the modifier is not supported, removes it, and rescores. The modifier factor disappears. The remaining pair still carries a vintage. The biller submits.

That is the working loop: load the claim and payer history, score with vintage and factor cites, leave blanks when the file is thin, then a person chooses submit or hold. The example has no denial rate because the screen should not invent one. If the first score had arrived without a vintage, the biller would ignore it and run ordinary edits. If history for that plan product had been thin, the score would have stayed empty and the claim would still pass through the same human checks.

Submit or hold stays with the biller

Treating the score as an automatic hold is a failure mode. A high rank is a prompt to inspect the cited factor. It is not a rule that parks every flagged claim. Holds have a cost: timely filing clocks, delayed cash, and a queue that does not clear. The claims manager sets policy for when a rank plus a cited factor is enough to stop a claim, such as an unsupported modifier, missing auth, or a diagnosis this payer has repeatedly returned, and when it is only enough to add a note and send.

The person who clicks submit still owns the claim. If the biller disagrees with a factor cite, they document why and send, or they fix the claim and rescore. If they hold, they hold for the cited reason, with an owner and a next action, not because a number felt high.

Claims that go out and come back denied need a separate path. Prediction is not an appeal. Use denial appeal letter generation after a remit, when you have the payer's stated reason. Feeding a pre-submission score into an appeal template confuses a forecast with evidence.

Keep the quality bar stable as tools change. Whether the score is produced next to the claim in Epic or Oracle Health, in a clearinghouse workflow such as Waystar, or by a revenue-cycle model from a vendor such as AKASA, accept only outputs that name the code pair, the payer, and the history vintage. If those three are missing, do not display a number. If history is thin, leave the field empty. If the number looks like a denial percentage with no file behind it, do not invent one. The biller decides whether the claim leaves the building.

Is this worth automating for you?

Whether this pays back depends on how much time it takes your team today. Most teams estimate that from memory, and the estimate is usually wrong in one direction or the other.

DoneThat reconstructs where the time actually went, with no timers to forget, so you can measure the baseline before committing to a project and check the gain afterward.

Measure the baseline first