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 visibility challenges rather than outright billing crises. If your cash flow is inconsistent, the first step is identifying which financial metrics are underperforming 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, affecting overall cash flow.
  • Monitoring relevant KPIs is essential for assessing the performance and efficiency of your billing operations.
If your practice is tracking revenue cycle performance but still experiencing slow cash inflow, the issue often lies in visibility rather than effort. Most OB/GYN clinics do not face a billing crisis; they have a measurement gap.
Here are several key performance indicators (KPIs) that can be significantly improved by professional billing services, along with benchmarks and actionable insights to achieve them.

Table of Contents

How We Selected These KPIs

Not every billing metric warrants your attention. We focused on those directly tied to revenue, controllable by billing services, and applicable to OB/GYN practices. Metrics that do not impact cash flow, staff workload, or compliance were excluded.

1. Days in Accounts Receivable

This metric indicates how long it takes to convert a patient visit into cash. High-performing OB/GYN practices aim to keep this under 30 days. If your days in accounts receivable exceed 50, there may be 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% or higher, with top billing operations achieving rates of 98%.
The key to achieving this is thorough pre-submission scrubbing, which involves identifying missing modifiers, invalid codes, and payer-specific requirements before the claim is submitted. This foundational work is critical for maintaining a healthy cash flow.

3. Denial Rate

Currently, denial rates in the industry can reach 12–15%. However, high-performing practices maintain rates below 5%. This discrepancy represents a significant amount of revenue that practices may either recover slowly or write off entirely.

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

4. Net Collection Rate

This critical metric reveals the percentage of owed revenue that is actually collected. A net collection rate below 90% indicates that your practice is leaving money on the table due to underpayments, missed charges, or unaddressed denials.
Aim for a target 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 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 billing staff may be overwhelmed with resolving issues instead of 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 represents preventable revenue loss. It indicates that services were delivered and documented, but not billed for.
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 with submitted charges and flagging any discrepancies before filing deadlines.

7. Patient Collection Rate

As patients are increasingly responsible for a larger share of their healthcare costs, the average collection rate for patient balances falls between 34–48%. This is not merely a billing issue; it is fundamentally a communication issue.
Providing clear, understandable statements, offering realistic payment plan options, and proactively reaching out to patients before balances age into bad debt are essential strategies. While these may not be groundbreaking, many practices lack the systems to implement them consistently.

8. Claims Submission Speed

Medicare has a 14-day payment floor. Delaying claims submission adds unnecessary time to your payment timeline. Claims should be submitted within 24 hours of patient encounters—this is non-negotiable.

The bottleneck often lies in the transition between clinical documentation and billing. When these systems are integrated, delays are minimized. Conversely, manual data transfers can lead to errors and missed opportunities.

9. Cost to Collect

This metric often goes unnoticed. If your practice spends 10 cents to collect every dollar, it significantly impacts your operating margin, which may be overlooked in monthly financial reports. The target should be under 5%.
Outsourcing billing does not automatically reduce this cost; however, a competent billing service can achieve this by distributing technology and staffing costs across a broader client base than any single practice could 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 Rate

>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%, prioritize that issue. If claims are delayed for several days before submission, address that next.
A reputable billing service will establish baseline metrics before committing to outcomes and will provide regular updates thereafter. If they cannot provide your current denial rate, consider that a red flag.

ObGyn Billing Services integrates seamlessly with clinical documentation, which is crucial for improving metrics such as clean claim rates and submission speed. Eliminating data re-entry and manual handoffs means that billing can commence 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 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 OB/GYN, psychiatry, physical therapy, pain management, internal medicine, orthopedic surgery, speech therapy, and sleep medicine.

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