A patient may have multiple health insurance policies, making the healthcare medical billing cycle steps more complicated. Knowing how coordination of benefits explained works is vital in these types of situations for providers, billing administration and patients. Coordination of Benefits (COB) is how benefits are coordinated between different insurance plans and the priority in which claims are paid. If coordination of benefitsis not managed properly, claims can be delayed, denied, or paid improperly. Billing personnel should be knowledgeable about how insurers coordinate payment, understand the various rules to apply and be able to process claims to ensure the right reimbursement and prevent a patient from getting confused.
This guide will help you understand what coordination of benefits is, how it works with primary and secondary insurance, common COB rules, and how COB affects claims and patient billing.
What is coordination of benefits
Coordination of Benefits (COB) is a process used by insurance companies to determine how much to pay if a patient has two or more health insurance plans. The main goal of COB is to:
- Prevent duplicate payments
- Make sure that insurers are paid the right amount.
- Determine the order in which plans pay
- Reduce healthcare costs
- Make sure to discuss what financial responsibility is required for patients.
If there is no COB, several insurance companies may pay a claim in full, leading to over payment of claims and administrative complications. Professional medical billing firms are well-versed in a range of healthcare environments and understand how to effectively submit claims to the right payer and receive reimbursement without unnecessary delays.
Why Coordination of Benefits Is Important
COB is a key player in the healthcare revenue cycle. Incorrect payer sequencing can lead to denied claims, payment delays, and excessive administrative work. Advantages of good COB management are:
- Faster claim processing
- Improved reimbursement accuracy
- Reduced denials
- Better patient communication
- Lower administrative costs
Improved revenue recognition capabilities.Better revenue cycle performance.
COB is linked closely to the medical billing cycle steps, including patient registration, insurance verification, collections, and payment posting, given that it impacts several of these steps.
How primary and secondary insurance work together?
Understanding primary vs secondary insurance is essential when learning about coordination of benefits. If a patient is covered by more than one health insurance plan, then the insurers decide which will pay first and which will pay next, after the first payment is made.
Primary Insurance
Primary insurance is the insurance policy that pays first. Upon receipt of a claim, the primary plan will conduct medical claim adjudication and make a determination of:
- Whether the patient is eligible for coverage
- In case the service falls under the scope of the plan
- If the proper medical necessity documentation billing requirements are fulfilled.
- The amount allowed under the contract
- The patient’s deductible, copay or coinsurance obligation
After the review, the primary insurer will pay, and a primary insurer Explanation of Benefits (EOB) will be sent.
Secondary Insurance
Secondary insurance is the second insurance coverage that pays after the first insurance coverage has been paid. It is given the remaining balance and information from the primary insurer’s EOB.
The secondary payer reviews:
- The amount billed
- The amount paid by the primary insurer
- Remaining eligible charges
- Subsequent coverage restrictions of the secondary policy
The secondary insurance company may pay 100% of the balance, partial balance or none of the balance depending on plan benefits.
COB rules and the order of payment
One of the most important aspects of coordination of benefits rules is determining which insurance plan pays first when a patient has multiple sources of coverage. Having the correct payment order will avoid duplicate reimbursements, minimize claim denials and process claims correctly. To determine primary and secondary insurance, the insurance companies use the same COB guidelines and proceed with the medical claim adjudication process.
Employee vs. Dependent Rule
When an employee is in both an employer-provided health plan and another person’s health plan as a dependent, the employee’s plan is usually primary.
Example:
- Coverage by patient’s employer = Primary
- Coverage through spouse’s employer = Secondary
Active Employee vs. Retiree Rule
For those patients who have active employer coverage, as well as retiree health benefits, the active plan will typically be paid first.
Example:
- Active employer plan = Primary
- Retiree plan = Secondary
This rule will enable insurers to coordinate benefits without overlapping benefits.
Medicare Coordination Rules
For patients covered by both Medicare and employer-sponsored insurance, the order of payment depends on factors such as:
- Employer size
- Employment status
- Medicare eligibility and age.
- Disability status
Medicare coordination rules differ and billing teams should always confirm rules with each payer prior to claim submission.
The Medicaid Payer of Last Resort Policy
In most cases, Medicaid will come in after any other insurance has processed a claim. This means:
- Commercial insurance will pay first.
- Medicare reimburses as per their regulations
- The Medicaid program will pay last, if coverage is still available
Court-Ordered Responsibility
If the parents are divorced or separated, a court order might designate a primary insurance plan for the child who is dependent upon one parent. However, when such orders are in place insurers will typically comply with the court order as opposed to COB guidelines.
Why Payment Order Matters
Submitting claims to the wrong payer can lead to:
- Claim denials
- Payment delays
- Additional administrative work
- Missed reimbursement opportunities
- Violations of timely filing rules medical claims
With accurate insurance verification, appropriate documentation and following a medical billing compliance checklist, claims are submitted timely and correctly to the appropriate payer, leading to better reimbursement and a reduction in billing errors.
The birthday rule explained
One of the most frequent coordination of benefits rules is the birthday rule, which is used to determine which policy pays first when a dependent child has coverage in both of his or her parents’ health insurance policies. Insurers apply this rule to determine the correct payment sequence and to prevent any confusion in the claims process.
What is the Birthday Rule?
Under the birthday rule, the parent with the earlier birthday in the calendar year is the first insurance coverage to apply. The other parent’s plan is then the secondary plan of insurance. Importantly, the birth year is ignored and only the month and day are considered.
Birthday Rule Example
Imagine the following situation:
- Parent A’s Birthday: The 12th of February.
- Parent B’s birthday is Aug. 25.
As February is before August, Parent A’s insurance policy is deemed the primary insurance, and Parent B’s insurance policy is deemed the secondary insurance. A healthcare provider will submit a claim, which will be initially reviewed by the primary insurance provider. Once the medical claim is adjudicated, the primary insurance company will pay and generate a payment Explanation of Benefits (EOB). The balance is then sent to the secondary insurance company for further review and consideration of payment.
Why the Birthday Rule Exists
If both parents have health insurance, the birthday rule is a standard way of determining the order of insurance. If no specific regulation is established, the insurance companies might argue about who is responsible for paying, which would lead to a delay in claims and reimbursement problems.
The birthday rule can have the following advantages:
- Faster claim processing
- Reduced payer disputes
- More accurate reimbursement
- Fewer claim denials
- Improved coordination of benefits process
Exceptions to the Birthday Rule:
The birthday rule is a common rule, but it is not always applicable. Exceptions may include:
- Court orders that outline insurance coverage
- Divorce settlements that designate primary coverage
- State-specific insurance regulations
- Health plans that have special COB rules
Insurers deal with these cases in accordance with the law or contract, instead of the usual birthday rule.
Impact on Medical Billing
The birthday rule is crucial for medical billing services and healthcare providers, as it plays a significant role in the timely processing of medical claims and prevents possible denials and payment delays. During registration, the right verification of insurance will enable billing staff to locate the right primary and secondary payer before submitting claims. Billing professionals should also know how to read EOB medical billing documents to ensure that claims are forwarded correctly to secondary insurers after the primary payer has processed the claim.
How COB affects claims and patient billing?
Coordination of Benefits (COB) has a significant impact on claim processing and how much a patient is left to pay. If a patient has more than one insurance plan, the claims must be submitted in the right order to the proper payers.
Impact on Claims
- Proper COB helps:
- Reduce claim denials
- Speed up reimbursement
- Improve claim accuracy
- Minimize administrative rework
Once the primary insurer has finished processing medical claim adjudications, any amount of the claim not covered by the primary insurer is forwarded to the secondary insurer.
Impact on Patient Billing
In medical billing, COB helps establish the financial liability of the patient for deductibles, copays, coinsurance payments and uncovered services. Correct COB processing means that the patient will only be billed after all available benefits with the insurance have been utilized.
Common COB problems and how to resolve them
Incorrect Primary Insurance
A very typical COB problem is submitting the claim to the wrong insurance payer, first time. This leads to denied claims, delayed payments and extra administration.
Outdated Insurance Information
There are no restrictions on patients changing their jobs, changing their insurance plans, or gaining other insurance coverage without changing their records. Flawed insurance data can make claims a tricky process and hold up the reimbursement.
Missing COB Information
Insurance carriers may need to re-verify COB (coordination of benefits) data before claims are processed. Incomplete COB info may cause claims to be on hold until the missing information is provided.
Filing Deadline Issues
Late filing of medical claims can lead to claims denials and opportunities for reimbursement, especially for secondary claims.
Best Practices to Resolve COB Problems
By using a proper billing and insurance verification system, healthcare organizations can minimize the problems associated with Coordination of Benefits (COB).
- Review insurance coverage and payer order at each patient visit.
- Ensure patient demographic and insurance data is kept current.
- Get full primary and secondary insurance information when signing up.
- Be sure to carefully review EOBs before claiming against secondary insurers.
- Track timely filing of medical claims for compliance with rules.
- In order to avoid claim errors, use a medical claims clearinghouse.
- Educate training billers on COB rules and payer instructions.
- Adhere to the medical billing cycle process and follow up.
- Properly document all medical necessity billing records for claim approval.
- Run frequent audits with a medical billing compliance checklist and address routine problems.
These best practices can help healthcare providers minimize claim denials, increase accurate reimbursement and simplify CO management.
Conclusion
Coordination of benefits explained helps ensure correct claim processing when patients have multiple insurance plans. Healthcare organizations can lower denials, increase accuracy of reimbursements and decrease payment delays by appropriately applying coordination of benefits rules, identifying primary and secondary insurance responsibilities, and correctly billing. Good COB management ensures medical claims get processed more smoothly, it enables organizations to manage patient financial responsibility more effectively in medical billing, and it is part of a more efficient revenue cycle.
Frequently Asked Questions
How does a coordination of benefits work?
Coordination of benefits is the process insurance companies use to determine how to cover your medical expenses when you’re covered by more than one health insurance plan. It clarifies the contribution of each party by identifying the primary and secondary payer.
What is the difference between cob and EOB?
An EOB (Explanation of Benefits) is an explanation of a claim and what was paid or denied. COB (Coordination of Benefits) is the process that will identify which insurance plan will be paid for first when more than one plan is on the patient.
What is Coordination of Benefits in Dental Billings?
Coordination of Benefits occurs when the patient has a right to benefits on more than one dental plan. Plans will work together to prevent over-insurance / duplication of benefits. Coordination of Benefits occurs when the patient has benefits under two or more dental plans.