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 orthopedic practices face visibility challenges rather than outright billing crises. If cash flow is inconsistent, the first step is identifying which performance metrics are lacking and to what extent.
  • Denial rates exceeding 10% are unacceptable. High-performing orthopedic practices maintain rates below 5% by implementing proactive measures and efficient appeals processes when denials occur.
  • Claims should be submitted within 24 hours of patient encounters. Delays in claim submission extend the payment timeline and accumulate across all claims submitted.
  • Monitoring relevant KPIs is essential for gaining insights into the efficiency and performance of your billing operations.
If your orthopedic 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 services, along with benchmarks and actionable changes needed to achieve them.

Table of Contents

How We Selected These Key Performance Indicators

Not every billing metric warrants your attention. We focused on those directly tied to revenue, controllable by billing services, and applicable to orthopedic 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 orthopedic practices aim to keep this under 30 days. If your days in accounts receivable exceed 50, there may be issues upstream, typically related to slow claim submission or inadequate 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% or higher, with top-performing billing operations achieving rates of 98%.
The key to achieving this rate often 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 maintaining a steady cash flow.

3. Denial Rate

Currently, denial rates in the industry have risen to 12–15%. High-performing practices, however, maintain rates below 5%. This discrepancy represents a significant amount of revenue that practices either recover slowly or write off entirely.

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

4. Net Collection Rate

This critical metric reveals the percentage of the revenue you actually collect. A rate below 90% indicates that you are leaving money on the table due to underpayments, missed 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, rather than merely submitted.

5. First-Pass Resolution Rate

This metric measures the efficiency of your billing process by indicating how often a claim is paid correctly on the first submission—without rejections, underpayments, or appeals. A low rate means your billing staff is spending more time resolving issues than processing new claims.
Set a target of 95% or higher. Improving this rate typically uncovers specific failure points that, once addressed, can lead to improvements across the board.

6. Charge Capture Rate

This metric reflects preventable revenue loss. You provided the service, documented it, but failed to bill for it.
Missed charges often occur in ancillary services, supplies, and procedures that were documented but not coded. A proficient billing service can close this gap by reconciling clinical notes with submitted charges and flagging any missing items before timely filing deadlines.

7. Patient Collection Rate

With patients now responsible for a larger share of their healthcare costs, the average collection rate for these balances ranges between 34–48%. This is not merely a billing issue; it’s a communication challenge.
Providing clear, understandable statements, offering practical payment plan options, and proactively reaching out before balances age into bad debt are essential strategies. While these are not revolutionary, many practices 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 sent out within 24 hours of an encounter—this is non-negotiable.

The bottleneck often occurs at the transition between clinical documentation and billing. When these systems are integrated, delays are minimized. If they are not, manual data transfers can lead to errors and omissions.

9. Cost to Collect

This metric often goes unnoticed. If you are spending 10 cents to collect every dollar, it significantly impacts your operating margin, a detail that can be easily overlooked in monthly reports. The goal should be to keep this cost under 5%.
Outsourcing billing does not automatically reduce this cost; however, a competent billing service can achieve this by distributing technology and staffing expenses across a broader client base than any single practice can sustain.

A Quick Reference Guide

KPI

Target

Primary Lever

Days in A/R

<30 days
Faster submission + follow-up

Clean Claim Rate

≥95%
Pre-submission scrubbing

Denial Rate

<5%
Prevention + 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 Rate

>50%
Clear statements + 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 rather than attempting to address all nine simultaneously. Identify the metrics where you are furthest from benchmarks—this will provide the quickest path to recovering lost revenue. If your denial rate exceeds 10%, that’s a critical area to address. If claims are delayed for three days before submission, prioritize that issue.
A reputable billing service will establish baseline metrics before guaranteeing outcomes and will provide regular reports on these metrics. If they cannot inform you of your denial rate, that is a significant concern.

Orthopedics Billing Services integrates seamlessly with clinical documentation, which is crucial for improving metrics like clean claim rates and submission speed. This eliminates data re-entry and manual handoffs. When the provider completes the encounter, billing begins automatically. Such structural improvements lead 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 leading medical billing, coding, credentialing, and revenue cycle operations across the healthcare industry. Lemuel’s expertise spans the full revenue cycle, including claims management, denial resolution, payment posting, accounts receivable, and practice operations. He has extensive experience supporting specialties including orthopedics, physical therapy, pain management, internal medicine, and more.

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