What a Denial Letter Documents in a Medical Record Review

A life care planner reaches month fourteen of a file and finds a single line in an orthopedic note: "Will request authorization for lumbar fusion."

Then nothing. No operative report. No pre-op clearance. No further mention across sixty pages of later visits.

Three explanations fit. The request was denied. The request was never submitted. The patient declined. Each one projects a different future, and the clinical chart cannot tell them apart.

The document that can is sitting in a file nobody requested. This is the gap payer correspondence fills in a medical record review, and it is one of the most consistently missing record types in an injury or disability production.

What the Correspondence Documents

A prior authorization request and the determination that answers it record five things the clinical note usually does not.

• The service requested. Named, usually coded, and tied to a body part or diagnosis. This is the treatment plan stated with more precision than most progress notes manage.
• The requesting provider and date. Which clinician asked, and when, which fixes the recommendation to a point in the timeline.
• The determination. Approved, denied, modified, or approved in part. Modified is the one that gets lost, because a request for twenty therapy sessions approved at eight reads as approved in a summary.
• The stated basis. Why the payer decided as it did, in the payer's own words.
• The review level. Whether this was an initial determination, a peer-to-peer discussion, or an appeal, and whether an earlier decision was reversed.

None of that is a clinical finding. All of it is documentary evidence about what care was sought, when, and what happened to the request.

Why the Chart Goes Silent

The moment a provider requests authorization, the story moves out of the clinical record and into an administrative one.

The request itself is often generated by office staff on a payer portal or a fax form, not documented in the progress note. The determination comes back to the practice's billing or authorization department. The appeal, if there is one, is correspondence between two administrative offices. None of that has any reason to land in the chart the provider produces in response to a records request.

So a records production can be complete on its own terms and still contain no trace of a denied surgery beyond one line of intent. The file is not hiding anything. It was never asked for the right documents.

Getting them usually means a separate request, aimed at the practice's billing or authorization file and at the payer, rather than at the medical records department. That is a medical record retrieval decision made at the outset, and one made far less often than it should be.

What a Denial Letter Must Contain

For one category of payer, the required content is specified by regulation, which makes those letters unusually informative.

Employee benefit plans governed by ERISA follow the claims procedure regulation at 29 CFR 2560.503-1. Under paragraph (g), a notification of an adverse benefit determination must set out the specific reason or reasons for the determination, reference the specific plan provisions it rests on, describe any additional material needed to perfect the claim, and describe the review procedures and time limits.

Two further requirements matter for a records reviewer. For group health plans, the notice must either state the specific internal rule or guideline relied on, or say that one was used and offer it free on request. And where the denial rests on medical necessity or an experimental determination, it must either explain the scientific or clinical judgment behind that decision or offer that explanation free on request.

The regulation defines an adverse benefit determination broadly, covering denial, reduction, termination and failure to provide or pay for a benefit, including decisions based on eligibility or on experimental or investigational status.

That is why an ERISA denial letter can be worth more to a reviewer than several office notes. It names the criterion the payer applied and, on request, produces the clinical reasoning behind it.

Payer Type Changes the Document

The ERISA content requirements apply to ERISA-governed plans. Much of an injury file is not one.

Workers' compensation runs on state systems with their own utilization review rules, their own timelines and their own appeal routes, and those differ substantially between states. Auto medical payments and personal injury protection follow state insurance law. Medicare and Medicaid have separate determination and appeal structures. A self-funded employer plan and a state comp carrier can deny the same surgery and produce documents with almost nothing in common.

The practical consequence for a review is narrow. Identify which payer issued each determination before drawing any inference from what the letter does or does not contain. A sparse denial is not evidence of a careless payer if that payer was never required to say more. Which rules governed a given determination, and whether they were followed, is a question for counsel rather than a line in a summary.

Denied Is Not One Thing

The stated basis separates denials that say something clinical from denials that say nothing clinical at all.

• Medical necessity. The payer applied a clinical criterion and concluded the service did not meet it. This is a payer determination about coverage. It is not a finding that the treatment was unnecessary, and a summary should not let it read as one.
• Experimental or investigational. A coverage category, often tied to a specific policy definition rather than to the patient.
• Eligibility. Coverage lapsed, the patient was not enrolled on the date, or the plan does not include the benefit. Carries no clinical content whatsoever.
• Administrative. Missing information, a coding problem, no referral on file, a late submission. Frequently resolved on resubmission, and frequently misread as a substantive rejection.
• Network. The service was covered but the provider was not contracted. Says something about billing, nothing about the injury.

Three further distinctions are worth preserving wherever the records support them. A modified approval is not an approval, and a request cut from twenty sessions to eight documents both the provider's judgment and the payer's. A peer-to-peer reversal shows an initial denial overturned after discussion, which changes what the first letter means. And a prospective denial issued before treatment is a different fact from a retrospective denial issued after the care was already delivered.

Four Readers, Four Uses

The same correspondence answers a different question depending on who is holding the file.

• Life care planners. Future care projection rests on what treating providers recommended. A service recommended and denied is documented recommendation, and it is a materially different fact from a service never requested or one the patient declined. Separating the three is part of what a life care planner needs before cost projection.
• Plaintiff firms. A break in treatment that follows a denial is not the same as a claimant who stopped seeking care. The denial is the document that makes the distinction, and without it the gap argument runs unopposed. It belongs in the same evidence set defense teams use when finding treatment gaps faster.
• Defense counsel and carriers. The authorization record shows what was delivered against what was planned, which is where a demand built on projected care can be tested against what any payer actually approved.
• Workers' compensation teams. Utilization review determinations, and denials resting on an examiner's opinion, are documents the file will argue about directly. Their dates and stated bases need to be exact.

Approved Does Not Mean Performed

An authorization is permission, not delivery, and the two collapse into each other in summaries more often than any other pair in this record type.

An approved request with no corresponding operative report, therapy attendance record or billing entry documents a service that was cleared and did not happen. That is its own finding, and it is a different one from a denial.

The verification is straightforward where the records allow it. Match each approval against a delivery record, and where no delivery record exists, say so rather than letting the approval stand in for the care.

Where the Review Stops

The review records what was requested, what was determined, on what stated basis and on what date. It does not rule on any of it.

Whether a denial was correct, whether the service was medically necessary, whether the payer applied its own criterion properly, and whether any of it supports a claim against the payer are determinations for treating physicians, retained experts and counsel. A record review that characterizes a denial as wrongful has left its role, and it is the sentence opposing counsel will read aloud first.

What to Request

Five additions turn an authorization trail from invisible into usable.

• The practice's billing and authorization file, requested separately from the medical records department.
• Every determination letter, including modified and partial approvals, not only outright denials.
• Appeal correspondence and any peer-to-peer documentation, with the outcome.
• The payer identified for each determination, since the governing rules follow the payer.
• A delivery check against every approval, so authorized care that never happened is recorded as such.

The Gap Has a Document

Most unexplained silences in a medical file are not mysteries. They are records held somewhere else by someone who was never asked.

A denied surgery, a therapy course cut in half, an approval that expired unused: each one leaves a clean paper trail, just not in the chart. Ask for the right file and the timeline stops having holes in it.

LezDo TechMed supports life care planners, plaintiff and defense teams and carriers through our medical record review services. We identify, date, attribute and flag. The clinical and legal conclusions stay with you and your experts.

Source Credit: ERISA claims procedure requirements are from the Department of Labor regulation at 29 CFR 2560.503-1. Those requirements apply to ERISA-governed employee benefit plans and not to workers' compensation, auto medical payments or government program determinations, which follow separate rules that vary by state and program. The file described in this article is a hypothetical illustration, not a client matter. Company figures are LezDo TechMed's published figures. This article is general information for medico-legal and claims professionals, not legal or medical advice.