Accounts Receivable Management in Medical Billing

Accounts Receivable Management in Medical Billing: How to Reduce Aging A/R

Every practice has money sitting somewhere in the system. Some of it is with a payer. Some of it is with a patient. Some of it is stuck behind a denial nobody has looked at in three months. That pile is your accounts receivable and the older it gets the harder it is to collect.

Accounts receivable management in medical billing is the discipline of tracking that money and working it until it lands in your bank account. Practices that do this well collect more of what they earn. Practices that ignore it slowly write off revenue they already worked for.

This guide explains how A/R works in healthcare. It covers the metrics that matter the reasons claims age and a practical system you can use to reduce aging A/R starting this month.

What Is Accounts Receivable in Medical Billing

Accounts receivable or A/R is the total value of claims and patient balances that have been billed but not yet paid.

The clock starts on the date of service. It keeps running until payment posts or the balance is adjusted off. Every day a claim stays open it becomes statistically harder to collect. Payer timely filing windows expire. Staff who remember the case leave. Patients forget the visit ever happened.

A/R has two sides that behave very differently:

• Insurance A/R which is money owed by Medicare Medicaid commercial payers workers compensation carriers and auto insurers
• Patient A/R which is money owed by patients through copays deductibles coinsurance and non covered services

Both need attention. Most practices monitor insurance A/R and quietly let patient A/R rot.

Why Aging A/R Damages a Practice

Aging A/R is not just a delayed payment. It is a slow leak with real consequences.

Cash flow tightens. Payroll rent and supplies run on a monthly cycle. Collections that stretch to 90 or 120 days force practices to borrow or delay spending.

Collection odds drop sharply. Industry experience shows that recovery rates fall dramatically once a balance crosses 90 days and again at 120 days. Old A/R is not the same asset as fresh A/R.

Timely filing windows close. Original Medicare requires claims within one calendar year of the date of service under federal rules. Many commercial payers allow only 90 to 180 days. Once that window closes the claim is unrecoverable and unappealable in most cases.

Staff time gets wasted. Working a 150 day claim takes far more effort than working a 30 day claim. The documentation trail is colder and the payer representative has less to work with.

Financial reporting becomes unreliable. A balance sheet full of uncollectible A/R gives owners a false picture of practice health.

The A/R Metrics Every Practice Should Track

You cannot fix what you do not measure. These six numbers tell you almost everything about your revenue cycle.

1. Days in A/R Total A/R divided by average daily charges. This is your headline number. Most healthy practices target under 35 to 40 days. Anything above 50 days signals a follow up problem.

2. Percentage of A/R over 90 days The share of your total A/R sitting in the 91 day bucket and beyond. A commonly used benchmark is under 15 to 20 percent. Higher than that means claims are aging out of reach.

3. Clean claim rate The percentage of claims accepted by the payer on first submission with no edits. Strong practices operate above 95 percent.

4. First pass resolution rate The percentage of claims paid on the first submission without rework. Every point below your target is money that costs you twice to collect.

5. Denial rate The percentage of submitted claims denied by payers. Track it by payer and by denial reason code not just as one blended number.

6. Net collection rate What you actually collected divided by what you were allowed to collect after contractual adjustments. This shows how much earned revenue you are losing. Above 95 percent is the goal.

Track these monthly. Compare them against the previous month and the same month last year. Trends matter more than a single snapshot.

How to Read an A/R Aging Report

The A/R aging report is the single most useful document in your billing system. It groups outstanding balances into buckets based on how long they have been open.

Run this report weekly not monthly. Sort it by payer. Sort it again by dollar value. A single $9000 surgical claim in the 90 day bucket deserves attention before forty $60 office visits.

Why Claims Age in the First Place

Aging A/R is a symptom. These are the usual causes.

Front desk errors. Wrong insurance ID. Outdated policy. Missing subscriber details. Eligibility not verified before the visit. A large share of denials trace back to registration not billing.

Missing prior authorization. The service was performed. Nobody checked whether the payer required approval first. That claim will deny and the appeal is difficult.

Coding problems. Wrong CPT. Missing or incorrect modifier. Diagnosis code that does not support medical necessity. Unbundled services.

Slow charge entry. Charges that sit in a provider queue for two weeks lose two weeks of the timely filing window before they even reach the payer.

No structured follow up. Claims are submitted and then forgotten until someone notices the A/R report. This is the most common failure in small practices.

Denials that are never worked. A denial is not a final answer. It is a request for more information. Practices that abandon denied claims are voluntarily discarding revenue.

Patient balances with no process. Statements go out. Nobody follows up. Balances quietly age past a year.

Nine Ways to Reduce Aging A/R

1. Verify eligibility before every visit

Check active coverage copay deductible status and prior authorization requirements before the patient walks in. This single step prevents a large portion of downstream denials. Make it non negotiable for new patients and for anyone whose plan may have changed at the start of a year.

2. Submit charges within 48 hours

Set a hard internal rule. Charges are entered and claims are submitted within two business days of the date of service. Faster submission means faster payment and more room inside the filing window if something goes wrong.

3. Scrub every claim before submission

Run claims through an edit engine that checks payer specific rules CPT and ICD-10 pairing modifier logic and demographic completeness. Catching an error before submission costs minutes. Catching it after denial costs weeks.

4. Build a bucket based follow up schedule

Do not chase claims at random. Work them on a calendar.

• Day 21 to 25: check claim status electronically for all unpaid claims
• Day 30: call the payer on anything still unpaid with no status
• Day 45: escalate to a supervisor or provider relations contact
• Day 60: file appeal or corrected claim as appropriate
• Day 90: management review of every remaining balance

Assign each bucket to a named person. Unowned work does not get done.

5. Work denials within 48 hours

Sort remittance denials daily. Correct and resubmit clean errors immediately. For clinical or medical necessity denials prepare a proper appeal with documentation attached. Under Medicare rules a redetermination request must generally be filed within 120 days of receiving the remittance advice so speed matters.

6. Attack root causes not just individual claims

Every month pull your top five denial reason codes. Ask why each one happened. If eligibility failures dominate the problem sits at the front desk. If modifier denials dominate the problem sits in coding. Fixing the source stops the same claim from failing again next month.

7. Collect patient responsibility at the point of service

Verify the deductible status before the visit. Collect the copay at check in. Offer card on file and online payment options. Send the first statement within seven days of the payer payment posting. Patient balances collected at the front desk cost almost nothing. The same balance chased at 120 days costs more than it is worth.

8. Prioritise by value and by deadline

Not every claim deserves equal effort. Sort your worklist by dollar amount and by remaining timely filing days. A claim with 14 days left on its filing window is an emergency regardless of its size.

9. Report weekly and hold a monthly review

Produce a simple weekly report showing billed paid denied and pending. Review days in A/R and the over 90 percentage every month with the practice owner. What gets reported gets managed.

Small Balance Write Offs and When to Stop

Some balances genuinely cost more to pursue than they return. Set a written policy so this decision is consistent rather than emotional.

A reasonable policy defines a small balance threshold. It defines how many follow up attempts and statements are required before write off. It requires supervisor approval above a set dollar amount. It documents the reason code for every adjustment.

Never write off a balance simply because it is old. Write it off because the reason is documented and the recovery cost exceeds the value.

Technology That Actually Helps

Automation will not fix a broken process but it removes a lot of manual work.

• Automated eligibility checks batched the night before the schedule
• Claim scrubbing rules updated with payer specific edits
• Electronic remittance and auto posting to cut manual keying
• Claim status checks by EDI 276 and 277 instead of phone calls
• Dashboards that surface aging buckets and denial trends without a manual export
• Patient text and email statements with an online payment link

Configure these tools properly. Most practices already own software that can do half of this and have never switched the features on.

Recovering Old A/R That Has Already Aged

If your over 90 bucket is already heavy do not try to fix everything at once. Run a focused recovery project.

Start with a full inventory of every open balance sorted by payer and by age. Identify which claims still sit inside their filing window because those are your real opportunities. Group the claims by denial reason so one fix can resolve many claims. Work the highest value payer first. Document every call with a reference number and a next action date. Set a weekly recovery target and track against it.

A structured 90 day recovery effort routinely returns money that a practice had already mentally written off.

When to Outsource A/R Management

Outsourcing makes sense when your days in A/R sit above 50 and are not improving. It makes sense when your over 90 bucket is above 25 percent. It makes sense when one biller handles everything and the practice stops collecting whenever that person is on leave. It makes sense when nobody has time to appeal denials properly.

A dedicated billing team brings coders payer knowledge appeal templates and follow up capacity that a single in house biller cannot match. The right partner reports transparently every week and shows you exactly what was billed paid denied and pending.

Get a Free A/R Review from EZE Medical Billing Services

EZE Medical Billing Services works with practices across Albuquerque and New Mexico to clean up aging A/R and keep it clean. Our team delivers a 98 percent clean claim rate a 95 percent first pass acceptance rate and a 90 percent recovery rate on denied claims. We work without long term contracts and we report every week.

Send us your latest A/R aging report and we will show you where the recoverable money is. Call +1 505-903-2759 or email info@ezemedbills.com for a free billing audit.

Frequently Asked Questions

What is accounts receivable management in medical billing?

Accounts receivable management in medical billing is the process of tracking and collecting every claim and patient balance from the date of service until payment posts. It includes claim submission monitoring payer follow up denial management appeals patient billing and payment posting. The goal is to convert billed charges into collected revenue as quickly as possible.

What is a good days in A/R number for a medical practice?

Most practices aim for days in A/R under 35 to 40 days. Specialties with heavy surgical or workers compensation volume often run higher because those payers process more slowly. If your number sits above 50 days and is climbing your follow up process needs immediate attention.

How much of my A/R should be over 90 days?

A commonly used benchmark keeps A/R over 90 days under 15 to 20 percent of total A/R. Above that level a significant share of your revenue is at risk because recovery odds drop sharply after 90 days and filing windows begin to close.

Why do medical claims stay unpaid for so long?

The most frequent causes are eligibility errors at registration missing prior authorization coding and modifier mistakes delayed charge entry and the absence of a structured follow up schedule. Many claims are simply submitted and never checked again until someone reviews the aging report months later.

How often should A/R follow up be done?

Check unpaid claim status electronically at around day 21 to 25. Begin payer calls at day 30. Escalate at day 45. File appeals or corrected claims by day 60. Review anything remaining at day 90 with management. Weekly worklists are far more effective than monthly clean up efforts.

What is the timely filing limit for medical claims?

Original Medicare requires claims within one calendar year of the date of service under federal regulation. Medicaid programs and commercial payers set their own limits which commonly range from 90 days to 365 days. Medicare Advantage plans often use shorter windows. Always confirm the limit in your payer contract because a missed deadline usually cannot be appealed.

Can old aging A/R still be recovered?

Yes in many cases. Claims still inside the payer filing window can be corrected resubmitted or appealed. Claims denied for documentation or medical necessity can often be overturned with the right supporting records. A structured recovery project focused on high value claims and grouped denial reasons frequently returns revenue the practice had already given up on.

Should I outsource A/R follow up or keep it in house?

Keep it in house if you have dedicated staff with payer expertise appeal capacity and coverage during absences. Outsource if your days in A/R exceed 50 your over 90 bucket exceeds 25 percent or your collections depend on one person. An experienced billing company brings specialised coders payer contacts and the follow up volume that most small teams cannot sustain.

How do I reduce patient balance A/R?

Verify deductible status before the visit collect copays at check in keep a card on file with patient consent offer online payment and send the first statement within a week of the payer payment. Follow a fixed statement cycle with a clear escalation point. Patient balances collected early cost far less than balances chased after 120 days.

What reports should I review every month?

Review the A/R aging report by payer and by bucket days in A/R the percentage over 90 days the clean claim rate the denial rate with top reason codes and the net collection rate. Compare each figure against the prior month to spot trends before they turn into losses.