Accounts receivable

Editorial approval scope: The team checked current source fidelity, scope boundaries, dates, arithmetic, reader usefulness, practical workflow, and general-information limitations.

A/R is a balance with a source and responsible party

For this page, the operational A/R ledger begins when a billed balance is released under practice policy; financial-statement or tax recognition may use a different date. Each balance should identify its source, responsible party, amount, state, evidence, owner, next action, and age.

Keep nearby concepts separate:

• Unbilled services are completed encounters awaiting charge review or claim creation. Keep them in a separate exposure queue.
• Payer A/R is an open payer balance while a valid claim, correction, or appeal is pending.
• Patient A/R is an amount permitted to be assigned to the patient or responsible party. For Medicare, CMS says a beneficiary may be billed only when Group Code PR accompanies an adjustment. Other plans and self-pay services follow their benefit, contract, notice, coordination-of-benefits, state, and federal rules. Keep estimates separate from adjudicated balances.
• Cash is received money. An electronic funds transfer can arrive before its remittance is posted.
• Credit balances may be owed back or applied elsewhere. Route them to refund, recoupment, or correction work.

Track authorization, claim intake, adjudication, remittance, payment, and posting separately. Evidence from one state does not establish the others. Apply the current payer product, contract, benefit, and law before billing, transferring, adjusting, or closing a balance.

Claim evidence should update the ledger

The CMS Electronic Billing and EDI Transactions page covers Medicare fee-for-service transactions involving providers, clearinghouses, or billing services. It illustrates process evidence rather than universal A/R policy.

For Medicare, providers can send a 276 claim-status inquiry and receive a 277 response. The CMS claim-status page says a 277 can post status to patient accounts. Preserve the response and use it to update the queue and next action.

After adjudication, the CMS remittance page explains that an ERA or paper remit reports decisions and adjustments by claim or line. It also describes automated posting into accounting or billing applications. Automation still needs matched identifiers, control totals, approved adjustment mapping, duplicate protection, and exception review.

The broader CMS EFT and ERA page distinguishes remittance from funds movement. Reconcile without assuming arrival order: post remittance results, match the trace and amount to the deposit, and investigate unmatched items or provider-level adjustments.

Use dated states instead of one vague age

One balance can have several meaningful clocks:

• date of service to completed documentation
• completed documentation to charge release
• first valid submission to payer acknowledgment
• payer acknowledgment to adjudication
• denial or request date to next action
• adjudication to patient-balance transfer when permitted
• payment receipt to posting and deposit reconciliation

Choose one start event per measure and store its timestamp and the as-of date. Calculate calendar-day age as the as-of date minus the start date unless a contract or defined metric requires another convention. Buckets such as 0 to 30, 31 to 60, 61 to 90, and over 90 days are reporting choices.

Define entry and exit evidence for every queue. Link the designated clearinghouse or payer response to the exact claim version. A denial exits after a valid correction or appeal is sent, or an authorized reviewer records a supported final disposition. Preserve service, charge-release, submission, and adjudication dates.

Build a governed A/R workflow

A useful owner workflow has six parts:

1. Reconcile charge entry. Match completed, billable services to charges and keep excluded or held encounters visible with reasons.
2. Reconcile submission. Match eligible charges to the exact claim version, batch, destination, and acknowledgment.
3. Work payer states. Route rejections, pending claims, requests, denials, appeals, underpayments, and recoupments by amount, deadline, root cause, owner, and next action.
4. Post adjudication. Apply payments and supported adjustments from the remittance. Transfer patient responsibility only through the permitted route.
5. Reconcile cash and credits. Match remittance totals to deposits and route unapplied cash, credit balances, refunds, and provider-level adjustments separately.
6. Close with evidence. Preserve the source, approval, correction history, and final disposition for every write-off, refund, transfer, or resolved balance.

Use role separation. The qualified clinician owns the clinical record and corrections. Billing or coding staff map the signed record, make authorized administrative fixes, and return clinical questions. Finance approves ledger entries, write-offs, and refunds; a qualified accountant approves accounting treatment; compliance reviews defined exceptions and potential overpayments. The HHS OIG General Compliance Program Guidance is voluntary and nonbinding. Its auditing, monitoring, reporting, and corrective-action framework can inform controls, not a particular decision.

A fictional snapshot shows gross, net, and aging

On June 30, a fictional practice has four billed balances, all aged from charge release: $10,000 at 10 days, $6,000 at 36 days, $4,000 at 67 days, and $1,000 at 12 days in patient responsibility after a permitted transfer. Gross billed balances total $21,000. Another $5,000 in completed services awaits charge validation in the unbilled queue.

Under its accounting policy, the practice estimates $2,000 of contractual allowances, amounts its contracts do not permit it to collect. Contract-adjusted billed A/R is $21,000 minus $2,000 = $19,000. Any allowance for credit losses should be estimated and reported separately. Neither adjustment represents cash.

Using the common charge-release clock, the 0-to-30-day bucket is $11,000 of $21,000, or 52.4%; 31 to 60 days is $6,000, or 28.6%; and 61 to 90 days is $4,000, or 19.0%.

Recognized net service revenue over the 90-day lookback is $180,000, or $2,000 per calendar day. Under this practice's defined formula, days in A/R is $19,000 divided by $2,000 = 9.5 days. It is a point-in-time turnover estimate, not average claim age, payer turnaround time, a benchmark, or a cash forecast.

Monitor amount, action, and collectibility

Useful measures include:

• open billed A/R dollars and accounts by payer and patient responsibility; show credit balances and unapplied cash separately
• contractual allowances and credit-loss allowances, each under its documented accounting method
• aged-dollar share: open dollars in one band divided by all open dollars using the same clock and as-of date
• untouched-balance rate: eligible open accounts without a qualifying action by deadline divided by all eligible open accounts
• rejection rate: rejected claim versions divided by claim versions receiving an intake result
• denial rate: denied claims or lines divided by adjudicated claims or lines, using one unit throughout
• payment-posting lag: median and 90th-percentile calendar days from receipt to matched ledger posting
• mature-cohort forecast error: absolute difference between actual and forecast collections divided by forecast collections; report zero-denominator cases separately

Show dollars and counts together. Define the as-of date, clock, maturity window, exclusions, accounting basis, and estimate version. Segment results where volume supports it, and review old balances individually.

IRS Publication 538 explains federal tax accounting methods for taxpayers generally: cash-method income is generally reported when received and accrual-method income when earned. Those rules do not define operational A/R or financial-statement treatment. A qualified accountant should reconcile the three views and review method changes.