If you think AR (Accounts Receivable) is about chasing unpaid claims then you are wrong. When a claim is delayed, a charge is missed, or a denial is not handled, your practice’s money gets stuck. The main function is to know where AR problems start, which accounts need attention first, and how to prevent balances from getting older. Good AR management starts before a claim is submitted, continues with payer follow-up and appeals, and ends when the payment is posted correctly. So let’s discuss how medical AR works, common causes of aging AR, and simple ways to improve collections.
What Is Medical Accounts Receivable Management?
Medical accounts receivable management is the end-to-end process of monitoring unpaid insurance claims and patient balances, finding why they are unpaid, and collecting them quickly and compliantly. It covers claim follow-up, aging analysis, denial resolution, payment posting, underpayment detection, patient billing and write-off governance.
AR management is one component of the broader revenue cycle management process. The RCM is like a whole system and AR is a part of it that shows whether the system works.
Why AR Management Directly Controls Practice Cash Flow
You have already earned this revenue by delivering care. Until it is collected, it is a non-cash asset, and payroll, rent and supplies still need cash.
The longer an account ages, the harder it becomes to collect. One industry analysis notes that historical collection rates for accounts over 90 days have dropped as low as 50%. That’s why slow AR is not just a delay. It is a growing risk of permanent loss.
Managing Revenue Before Claim Submission
Standard AR reports only show claims that have been submitted. Different kinds of revenue never appear on them:
- Unbilled encounters: Visits where notes are not signed, charges are not entered, or coding is still on hold.
- Rejected claims: Claims that never reached the payer for processing. A rejected claim does not count as proof that the claim was filed on time.
- Missing charges: Services that were provided but never added to the claim.
Ask your team how many days pass between the date of service and claim submission? The longer this takes, the more it can increase your AR days. Add a weekly unbilled and held charges report to your AR review.
Types of Medical AR: Insurance vs. Patient
Insurance AR
- Source: Commercial insurance, Medicare, Medicaid, TRICARE and other payers.
- Common issues: Claim denials, missing information, authorization problems and coordination of benefits.
- Best approach: Submit clean claims, follow up with payers and appeal denied claims when needed.
- Aging risk: Claims can age quickly because of timely filing and appeal deadlines.
Patient AR
- Source: Copays, deductibles, coinsurance and self-pay balances.
- Common issues: High medical bills, unclear statements and difficulty paying.
- Best approach: Provide cost estimates, offer text-to-pay options and set up payment plans.
- Aging risk: Patients can be less willing or able to pay as balances get older.
Key AR Metrics and Benchmarks
Benchmarks can vary based on the specialty, payer mix and practice size, so use these numbers as a general idea.
| Metric | What it means | General target |
| Days in AR | How long it takes to collect payments | Around 30–40 days for many physician practices |
| AR over 90 days | Older balances that may be harder to collect | Below 15% |
| AR over 120 days | Very old balances that are harder to recover | Around 10–15% or lower |
| Net collection rate | How much of the collectible amount is actually collected | 90% or higher |
| Clean claim rate | Claims accepted on the first submission | 95% or higher |
| Initial denial rate | Claims denied on the first submission | Below 5% |
How to calculate Days in AR (with a worked example)
Days in AR = Total AR ÷ Average daily charges
For example:
- Total AR: $240,000
- Charges in the last 90 days: $360,000, so average daily charges are $4,000
- Days in AR = 240,000 ÷ 4,000 = 60 days
The value of one day: If a practice collects $4,000 per day, reducing AR from 60 days to 45 days can free up about $60,000 in cash flow. Showing this number to practice owners can make the value of improving AR much easier to understand.
How to Read an AR Aging Report
An AR aging report shows unpaid balances based on how old they are. Common groups are 0–30, 31–60, 61–90, 91–120 and 120+ days. Ideally, most AR should be in the 0–30 day group with fewer balances in the older groups.
But here are three common mistakes to avoid:
- Looking only at total AR: Break AR by payer to find which insurance company is causing delays.
- Using the wrong date: Check whether your report counts age from the date of service or claim submission.
- Ignoring newer aging buckets: A growing 31–60 day balance can be an early warning sign. If the 120+ day balance starts growing then the problem will already be serious.
The Three Deadline Clocks Every AR Team Should Track
Medical AR teams need to track three important deadlines:
- Initial filing: Payers set a time limit for submitting the first claim. Medicare mostly allows 12 months while Medicaid and commercial payer limits can vary.
- Corrected claims: Corrected claims can have the same filing deadline as the original claim, so sending them late can still lead to a denial.
- Appeals: Appeal deadlines usually start from the remittance or denial date, not the date of service.
Revenue loss and claim denials can arise from missing these dates. So maintain records of timely filing, such as clearinghouse acceptance reports. In order for your team to resolve claims before they expire, it is also beneficial to include a deadline date in your AR worklist. For accurate timeframes, always refer to the payer’s current policies and contract.
Causes of Aging AR: Trace It to the Stage
Aging AR is usually a sign that there is a problem in the billing process somewhere. Identifying the point at which the problem begins can help prevent older balances.
- Front end: Errors related to eligibility, missing authorizations, incorrect patient information, or credentialing gaps can cause claims delays. Use real-time eligibility, track authorizations and complete credentialing before the first visit.
- Mid cycle: Coding errors, missing documentation and late charge entry can delay claim processing. Regular coder reviews, claim scrubbing and charge lag reports help.
- Back end: Poor follow up, weak appeal processes and unposted payments can drive up AR. Use payer-specific follow-up schedules Check denial causes and review payment posting on a regular basis.
Step-by-Step AR Follow-Up Workflow
- Check claim receipt: Verify the claim was received by the clearinghouse and payer.
- Check status of claim: Payer portal, 277 status or phone call depending on payer process
- Problem description: Verify whether the claim is pending, denied, rejected, underpaid, patient responsibility, or no response.
- Correct and resubmit: Correct the problem and refile a corrected claim or reconsideration. Don’t resubmit another claim for the same service as it can be rejected as a duplicate.
- Appeal when needed: Include the denial details, medical records, coding explanation and relevant payer policy.
- Check the payment: Compare the payment with the contracted rate to find underpayments.
- Bill the patient: If the balance is patient responsibility then send a clean bill quickly.
- Keep a record of: Document the date, name of the representative, reference number, action taken and next follow-up date.
Patient AR: The Fastest-Growing Problem
Patient responsibility is no longer small. It can make up the biggest part of a practice’s revenue and increases early in the year when deductibles reset.
What works:
- Collect at the time of service: Check eligibility and give patients a clear estimate of what they owe.
- Send digital statements quickly: Send bills and payment links soon after the insurance payment is posted.
- Offer payment plans: Make it easier for patients to pay larger balances.
- Prepare for January: Give front-desk staff extra training and plan early patient outreach.
- Use a respectful approach: Train staff to discuss medical bills clearly and with empathy.
In-House vs. Outsourced AR Management
If you manage AR in-house then it gives you more control but it also means handling staff, training, software and follow-up. Staff turnover can also slow down collections. Outsourcing AR can provide experienced medical billing staff, payer-specific knowledge and backup coverage. Costs are usually based on a percentage of collections or a flat fee.
Before choosing an AR partner, ask how they handle payer follow-up, appeals, timely filing, reporting, and data ownership. Also ask about their process if you decide to end the service.
How Revnex Billing Manages Medical AR
If you are in the US and want to improve your AR management, choose Revnex Billing, a partner that helps practices manage medical AR through payer follow-up, denial management, claim corrections, patient billing and AR reporting. Our main goal is to reduce aging balances, improve collections, and keep claims moving through the revenue cycle. So without waiting any longer, book your free AR assessment.