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 OB/GYN practices face a visibility gap rather than a billing crisis. If your cash flow is inconsistent, the first step is to identify which metrics are off and to what extent.
  • Denial rates exceeding 10% are unacceptable. High-performing 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. Each day a claim is delayed adds to the payment timeline, compounding the issue across all claims submitted.
  • Monitoring key performance indicators (KPIs) provides valuable insights into the effectiveness and efficiency of your billing operations.
If you’re actively tracking your revenue cycle performance but still experiencing sluggish cash inflow, the issue often lies not in effort but in visibility. Most OB/GYN practices do not have a billing crisis; they have a measurement gap.
Here are nine KPIs that can significantly enhance your billing services, along with practical benchmarks and actionable changes needed to achieve them.

Table of Contents

How We Selected These Nine

Not every billing metric warrants your attention. We concentrated on those directly linked to financial outcomes, metrics that a billing service can influence, and those applicable to OB/GYN practices. If it doesn’t impact cash flow, staff workload, or compliance, it was excluded from our list.

1. Days in Accounts Receivable

This metric indicates how long it takes to convert a patient visit into revenue. High-performing OB/GYN practices aim to keep this figure under 30 days. If your days in accounts receivable exceed 50, it typically signals issues upstream, such as delayed claim submissions or insufficient follow-up on aging accounts.
The solution is straightforward: ensure same-day claim submissions, verify insurance eligibility prior to appointments, and actively monitor accounts that fall into the 61–90 day category.

2. Clean Claim Rate

Every claim that is returned costs you 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 is often pre-submission scrubbing, which involves identifying missing modifiers, incorrect codes, and payer-specific requirements before the claim leaves your system. While it may not be glamorous, this process is essential for ensuring a steady cash flow.

3. Denial Rate

Currently, denial rates across the industry hover around 12–15%. High-performing practices maintain rates below 5%. This discrepancy represents a substantial amount of revenue that clinics either recover slowly or write off entirely.

Billing services address this issue through two primary strategies: prevention (including eligibility checks, prior authorization tracking, and accurate coding) and recovery (such as 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 figure is critical: it reflects the percentage of the revenue you are owed that you successfully collect. A rate below 90% indicates that you are leaving money on the table due to underpayments, missed charges, or unaddressed denials.
Aim for a net collection rate of 95% or higher. Achieving this requires conducting charge capture audits, implementing automated underpayment detection, and maintaining the discipline to follow up on accounts until they are fully paid, not just submitted.

5. First-Pass Resolution Rate

This metric serves as an efficiency indicator, measuring how often a claim is paid correctly on the first submission—without rejections, underpayments, or appeals. A low rate means your billing staff spends more time resolving issues than processing new claims.
Strive for a first-pass resolution rate of 95% or higher. Improving this metric often uncovers specific failure points that, once addressed, can enhance overall performance.

6. Charge Capture Rate

This metric signifies preventable revenue loss. It indicates that you provided a 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 competent billing service can close this gap by reconciling clinical notes with submitted charges and flagging any discrepancies before timely filing deadlines expire.

7. Patient Collection Rate

With patients now responsible for a larger portion of their healthcare expenses, the average collection rate for patient balances ranges from 34% to 48%. This is not merely a billing issue; it is fundamentally a communication challenge.
Providing clear, understandable statements, offering practical payment plan options, and proactively reaching out before balances become overdue are essential strategies. While these approaches 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 is delayed before submission adds to your payment timeline. Claims should be submitted within 24 hours of an encounter—this is non-negotiable.

In the realm of OB/GYN practices, a common bottleneck arises during the transition from clinical documentation to billing processes. When these systems are seamlessly integrated, delays are significantly minimized. However, when they operate independently, the manual transfer of data can lead to errors and inefficiencies, resulting in lost revenue opportunities.

9. Cost to Collect

This issue often goes unnoticed. If your practice is spending 10 cents to collect every dollar, it can severely impact your operating margins—an aspect that may not be immediately evident in monthly financial reports. The ideal target for this cost should be below 5%.
Outsourcing your billing processes doesn’t inherently reduce this cost; however, partnering with a proficient billing service can lead to significant savings. These services can distribute technology and staffing expenses across a broader client base, which is often more efficient than what a single practice can achieve on its own.

A Quick Reference Guide

KPI

Target

Primary Lever

Days in A/R

<30 days
Accelerated submission and follow-up processes

Clean Claim Rate

≥95%
Thorough pre-submission scrubbing

Denial Rate

<5%
Proactive prevention and appeals management

Net Collection Rate

≥95%
Persistent A/R work

Achieving first-pass resolution

≥95%
End-to-end tracking

Charge Capture Rate

≥98%
Conducting documentation audits

Enhancing patient collection rates

>50%
Providing clear statements and flexible payment plans

Improving claims submission speed

<24 hours
Same-day processing

Cost to Collect

<5%

Process efficiency

Where to Start

It’s essential to avoid attempting to address all nine areas simultaneously. Focus on the metrics where your practice is furthest from industry benchmarks—this will yield the quickest recovery of revenue. For instance, if your denial rate exceeds 10%, that’s a critical issue. If claims are pending for three days before submission, prioritize that area for improvement.
A reputable billing service will establish baseline metrics before committing to specific outcomes and will provide regular updates on these figures. If they cannot provide clarity on your denial rate, it may be time to reconsider your partnership.

OB/GYN Billing Services offers direct integration with clinical documentation, which is crucial for enhancing metrics such as clean claim rates and submission speeds. This integration eliminates the need for data re-entry and manual handoffs. Once the provider finalizes the patient encounter, the billing process initiates automatically. This structural improvement leads to sustainable enhancements in financial performance, rather than temporary fixes.

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

Lemuel Areglo, CPC

is the Director of Revenue Cycle Management Services at WRS Health, bringing nearly 15 years of experience in leading 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 OB/GYN, psychiatry, physical therapy, pain management, internal medicine, orthopedic surgery, speech therapy, and sleep medicine.

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