Administrative denial: what it is and how to avoid it

Hospital denials are one of the main points of attention in the relationship between service providers and health plans. In practical terms, a denial is a full or partial refusal to pay for a billed procedure, test, daily rate or material. Broadly speaking, denials fall into two groups: technical denials and administrative denials.

The first focuses on the appropriateness of the care provided, such as the clinical indication and the consistency of therapeutic protocols. The second stems from formal, registration or contractual inconsistencies in the billing process.

Although many institutions concentrate their efforts on improving care, it is administrative denials that, by volume, tend to account for recurring and entirely avoidable losses in the revenue cycle. Most of these denials originate in administrative failures that can be corrected with more robust processes.

What is a hospital denial?

A denial is the payer’s refusal to pay for a service performed by the provider (hospitals, clinics and laboratories). It is a central challenge for auditing and billing because it directly affects cash flow.

Identifying the reason for the refusal and acting preventively is the safest way to ensure the institution’s financial predictability. For a complete overview of the topic, see the article Denials: what they are and how they can be avoided.

What is the difference between a technical denial and an administrative denial?

A technical denial is associated with the appropriateness of care. The auditor assesses whether the procedure performed matches the patient’s needs, whether the materials and medications used are supported by the medical record and whether protocols were followed.

An administrative denial, in turn, stems from operational failures in the claim submission process. It focuses on documentation compliance, regardless of clinical merit. The table below summarizes the main differences between the two types:

What are the main causes of administrative denials?

Administrative denials originate at specific points in the billing cycle. Knowing each cause makes it easier to map failures and set priorities in managing the process:

• Plan member registration error:data that differ between the payer’s system and the hospital’s registration, such as an incorrect card number or CPF (Brazilian taxpayer ID).

• Missing or mismatched prior authorization:procedures performed without the authorization form issued by the payer or with discrepancies in the authorized codes.

• Incorrect TUSS code:use of a code from the Unified Terminology for Supplementary Health (TUSS) that is inappropriate for the procedure performed, creating an inconsistency with the payer’s contractual rules.

• Submission after the contractual deadline:each payer contract sets a deadline for submitting the hospital claim. Missing that deadline is an automatic reason for a denial.

• Missing mandatory signatures:documents such as reports, operative reports or nursing progress notes sent without the signatures required by the contract.

• Price discrepancies: items charged at amounts that do not match the contract price table negotiated with the payer.

Why are administrative denials so recurrent?

The recurrence of this type of denial has structural roots. The revenue cycle involves multiple stages, teams and systems, which creates points of vulnerability throughout the process. Some factors amplify this risk:

• Disconnected systems: when the registration, authorization and billing modules operate independently, data inconsistencies multiply. Integration across these fronts is the main control factor.

• Unstandardized processes: the absence of formal checklists and well-defined flows leaves room for variation and human error, especially in teams with high turnover.

• Contractual complexity: each payer has specific rules for deadlines, codes and documentation. Keeping this knowledge up to date and accessible to the billing team is a permanent challenge.

The practical result is that a good share of administrative denials happen at stages before billing, that is, at reception, authorization and clinical documentation. Acting only on the appeal, after the refusal, is a reactive and more costly approach.

What are the financial impacts of administrative denials?

The impact goes beyond the amount not received. According to the Anahp Observatory 2025, the accepted denial rate at member hospitals reached 1.96% of gross revenue from health plans in 2024. For a hospital with gross revenue of R$ 50 million a year, that percentage represents almost R$ 1 million in lost or deferred revenue. The impact spreads across three dimensions:

1. Cash flow: the interruption of payments compromises working capital and can strain the institution’s operating capacity.

2. Cost of rework:each denial appeal requires analysis, reorganizing documentation and resubmitting the claim. The operating cost of this process is high and frequently underestimated.

3. A sign of weakness in RCM:high administrative denial rates point to bottlenecks in Revenue Cycle Management (RCM) and can compromise financial indicators monitored by the executive team and the board.

How to reduce administrative denials?

Effective reduction requires a preventive approach. The actions with the greatest impact are:

• Mapping the revenue cycle:identifying the points of failure between reception and billing makes it possible to act on the causes, not just the symptoms.

• Integrating systems: making sure the electronic medical record, the authorization module and the billing system operate with aligned information in real time drastically reduces registration and coding errors.

• Continuous training: keeping the team up to date on each payer’s rules is essential. Regulations change frequently, and a well-trained team is the first line of defense against denials.

• Monitoring indicators: tracking the denial rate by payer, by type and by hospital department makes it possible to identify patterns and correct deviations proactively.

• Using technology for pre‑submission audit:artificial intelligence tools capable of cross-checking clinical data against billing rules before the claim is submitted reduce the incidence of avoidable errors.

For more detailed strategies, see the article Main causes of denials: how to identify and resolve them.

How to appeal an administrative denial?

When the denial has already occurred, the appeal is the way to reverse it. Most administrative denials are reversible with the correct documentation. The process follows these steps:

1. Identify the exact reason for the denial according to the code reported by the payer. Clarity about the cause is the starting point for any effective appeal.

2. Gather the supporting documentation: authorization form, medical record, reports, operative reports and proof of submission within the contractual deadline.

3. File the appeal formally within the deadline set in the contract. Each payer has specific rules for submitting appeals, including format and time window.

4. Track the outcome and record the pattern. Recurring denials of the same type, with the same payer, signal a process problem that needs to be corrected at the source.

For a complete guide to the appeal process, see the article Denial appeals: how to control and recover amounts.

Avoidable administrative denials call for active management, not just reaction

Administrative denials are not an inevitable problem. They are the symptom of processes with identifiable, correctable points of failure. The earlier the hospital maps these bottlenecks, between reception, authorization and billing, the smaller the volume of revenue deferred or lost.

Rivio uses artificial intelligence to manage the entire hospital revenue cycle: from audit to payment, the platform analyzes clinical records, cross-checks data against hospital claims, identifies and corrects denials, submits the XML and manages appeals automatically.

With the contractual guarantee of 100% reimbursement in cases where a denial is not reversed, partner hospitals operate with more financial predictability and less rework.

FAQ: frequently asked questions about administrative denials

What is an administrative denial?

An administrative denial is a health plan’s refusal to pay due to a formal inconsistency in the billing process, such as a registration error, missing prior authorization, an incorrect TUSS code or submission after the contractual deadline. It differs from a technical denial, which questions the clinical appropriateness of the procedure.

What is the difference between a technical denial and an administrative denial?

A technical denial questions whether the procedure was clinically justified, that is, whether there was an indication for the care provided. An administrative denial questions whether the documentation and the claim submission processes were correct, regardless of the quality of care.

How can a hospital avoid administrative denials?

The main actions are: integrating the registration, authorization and billing systems; standardizing processes with checklists for each payer; training the team on the contractual rules in force; monitoring denial indicators by cause and by payer; and adopting pre-submission audit tools that identify errors before the claim is submitted.

Is it possible to appeal an administrative denial?

Yes. Most administrative denials are reversible through an appeal filed formally within the contractual deadline, with the appropriate supporting documentation (authorization form, medical record, reports, proof of submission). The deadline and format of the appeal vary by payer and should be set out in the contract.

What is the financial impact of administrative denials?

According to the Anahp Observatory 2025, the accepted denial rate at member hospitals reached 1.96% of gross revenue from health plans in 2024, compared with 0.78% in 2021. The impact includes lost or deferred revenue, the cost of rework on appeals and the deterioration of revenue cycle financial indicators.