9 RCM KPIs That Medical Billing Services Actually Move (And Why Yours Might Be Slipping)

Denial rates climbing? Cash flow lagging? Here are 9 revenue cycle KPIs your billing service should be moving—and the benchmarks to hold them to.
By Lemuel Areglo, CPC | Director of Revenue Cycle Management Services

Key Takeaways

  • Many gastroenterology practices face visibility challenges rather than outright billing crises. If your cash flow is inconsistent, the first step is to identify which metrics are underperforming and by how much.
  • A denial rate exceeding 10% is concerning. High-performing practices maintain rates below 5% by implementing proactive measures and efficient appeals when denials occur.
  • Claims should be submitted promptly after patient encounters. Each day a claim remains unsubmitted extends the payment timeline, impacting overall cash flow.
  • Monitoring relevant KPIs is essential for assessing the performance and efficiency of your billing processes.
If your gastroenterology practice is tracking revenue cycle performance but still experiencing slow cash inflow, the issue often lies in a lack of visibility. Most practices do not have a billing crisis; they have a measurement gap.
Here are several key performance indicators (KPIs) that can significantly enhance your billing processes, along with benchmarks and actionable insights for improvement.

Table of Contents

How We Selected These KPIs

Not every billing metric warrants your attention. We focused on those directly linked to revenue, controllable by your billing service, and applicable to gastroenterology practices. If it doesn’t impact cash flow, staff workload, or compliance, it didn’t make the list.

1. Days in Accounts Receivable

This metric indicates how long it takes to convert a patient visit into cash. High-performing gastroenterology practices aim to keep this under 30 days. If your days in accounts receivable exceed 50, it typically signals issues with claim submission or follow-up on aging accounts.
The solution is straightforward: ensure same-day claim submission, verify insurance eligibility prior to appointments, and actively monitor accounts that are 61–90 days old.

2. Clean Claim Rate

Every claim that is denied costs time and delays payment by days or even weeks. The industry standard for clean claims is 95%+, with top-performing billing operations achieving 98%.
The key to achieving this lies in pre-submission scrubbing, which involves identifying missing modifiers, incorrect codes, and payer-specific requirements before claims leave your system. This foundational work is essential for ensuring a smooth cash flow.

3. Denial Rate

Currently, denial rates in the industry hover around 12–15%. High-performing practices maintain rates below 5%, which represents a significant amount of revenue that could either be recovered more quickly or written off entirely.

To address this, practices should focus on two strategies: prevention (eligibility checks, prior authorization tracking, accurate coding) and recovery (appeals, pattern analysis, and addressing root causes to prevent future denials). Both strategies are crucial, yet many practices only implement one.

4. Net Collection Rate

This metric reveals the percentage of the revenue you are actually collecting from what is owed. A rate below 90% indicates that your practice is missing out on revenue due to underpayments, unbilled charges, or unresolved denials.
Aim for a net collection rate of 95% or higher. Achieving this requires conducting charge capture audits, implementing automated underpayment detection, and diligently working accounts until they are fully paid, not just submitted.

5. First-Pass Resolution Rate

This metric reflects the efficiency of your billing process, measuring how often claims are paid correctly on the first submission—without rejections, underpayments, or appeals. A low rate indicates that your billing staff is spending more time resolving issues than processing new claims.
Target a first-pass resolution rate of 95% or higher. Improving this metric often uncovers specific failure points that, once addressed, can lead to overall improvements in the billing process.

6. Charge Capture Rate

This one represents pure, preventable revenue loss. You delivered the service. You documented it. And then nobody billed for it.
Missed charges often occur in ancillary services, supplies, and procedures that are documented but not coded. A proficient billing service can close this gap by reconciling clinical notes against submitted charges and flagging any discrepancies before timely filing deadlines.

7. Patient Collection Rate

Patients are increasingly responsible for a larger portion of their healthcare expenses, with the average collection rate for these balances ranging from 34% to 48%. This is not merely a billing issue; it is fundamentally a communication challenge.
Clear, understandable statements, accessible payment plan options, and proactive outreach before balances age into bad debt are essential. While these practices are not revolutionary, many gastroenterology clinics lack the systems to implement them consistently.

8. Claims Submission Speed

Medicare has a 14-day payment floor. Each day a claim remains unsubmitted adds unnecessary time to your payment timeline. Claims should be submitted within 24 hours of closing an encounter—period.

The typical bottleneck occurs at the transition between clinical documentation and billing. When these systems are integrated, delays are minimized. Without integration, manual data transfers can lead to errors and missed submissions.

9. Cost to Collect

This metric often goes overlooked. If your practice spends 10 cents to collect every dollar, it significantly impacts your operating margin, a detail that may be easy to miss in monthly reports. The target should be under 5%.
Outsourcing billing does not automatically reduce this cost; however, a competent billing service can help, as they distribute technology and staffing expenses across a broader client base than any single practice can justify.

A Quick Reference Guide

KPI

Target

Primary Lever

Days in A/R

<30 days
Faster submission and follow-up

Clean Claim Rate

≥95%
Pre-submission scrubbing

Denial Rate

<5%
Prevention and appeals

Net Collection Rate

≥95%
Persistent A/R work

First-pass resolution

≥95%
End-to-end tracking

Charge Capture Rate

≥98%
Documentation audits

Patient collection strategies

>50%
Clear statements and payment plans

Claims submission speed

<24 hours
Same-day processing

Cost to Collect

<5%

Process efficiency

Where to Start

Focus on one or two KPIs at a time, particularly those where your practice is furthest from benchmarks. If your denial rate exceeds 10%, that should be your priority. If claims are sitting for several days before submission, address that issue first.
A reputable billing service will establish baseline metrics before promising results and will provide regular updates thereafter. If they cannot provide your current denial rate, that is a red flag.

Gastroenterology Billing Services integrates seamlessly with clinical documentation, which is crucial for improving metrics like clean claim rates and submission speed. With no data re-entry and no manual handoffs, billing begins as soon as the provider closes the encounter. This structural improvement leads to sustainable enhancements in performance—not just temporary gains.

Curious about your clinic’s performance? Establishing a baseline RCM assessment is the first step.

Lemuel Areglo, CPC

is the Director of Revenue Cycle Management Services at WRS Health, bringing nearly 15 years of experience in medical billing, coding, credentialing, and revenue cycle operations across the healthcare sector. Lemuel’s expertise encompasses the entire revenue cycle, including claims management, denial resolution, payment posting, accounts receivable, and practice operations. He has extensive experience supporting various specialties, including gastroenterology, psychiatry, physical therapy, pain management, internal medicine, orthopedic surgery, speech therapy, and sleep medicine.

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