Submitting accurate medical claims is an essential part of managing a healthcare practice. Every time a provider delivers a medical service to a patient, the practice must document the encounter, assign the appropriate codes, prepare the claim, and send it to the correct insurance payer for reimbursement.
However, the claim submission process in medical billing involves more than simply sending a bill to an insurance company. It requires accurate patient information, proper medical coding, insurance verification, claim validation, timely submission, and consistent follow-up.
Errors at any stage can lead to rejected claims, delayed payments, denials, and additional administrative work for healthcare providers.
In this guide, we explain how the medical claim submission process works, the steps involved, common mistakes to avoid, and how professional medical billing support can help healthcare practices improve their revenue cycle.
What Is the Claim Submission Process in Medical Billing?
The claim submission process in medical billing refers to the series of steps a healthcare provider or medical billing team follows to prepare and send a medical claim to an insurance company for payment.
A medical claim contains important information about the patient, healthcare provider, services performed, diagnosis, procedure codes, charges, and insurance coverage.
After receiving the claim, the insurance payer reviews the submitted information to determine whether the services are covered and how much reimbursement is allowed under the patient’s insurance plan.
Most healthcare providers submit claims electronically using approved billing software, a clearinghouse, or a direct connection with an insurance payer. Electronic claims are commonly transmitted using standardized formats such as the 837 Professional (837P) and 837 Institutional (837I) transactions.
A properly managed claim submission workflow helps healthcare practices reduce avoidable errors, monitor claims, and maintain a more consistent reimbursement process.
Why Is the Medical Claim Submission Process Important?
Accurate claim submission is important because it directly affects how efficiently a healthcare practice receives payments for the services it provides.
An incomplete or inaccurate claim may be rejected before processing or denied after the payer reviews it. Both situations can require additional staff time to investigate, correct, and resubmit the claim.
A well-organized claim submission process helps practices:
- Reduce avoidable claim rejections and denials.
- Improve billing accuracy.
- Support timely insurance reimbursement.
- Reduce administrative workload.
- Maintain accurate patient and insurance records.
- Monitor outstanding claims more effectively.
- Improve overall revenue cycle management.
- Identify recurring billing and documentation issues.
For healthcare organizations, an efficient claim submission workflow is an important part of maintaining financial stability and minimizing interruptions in cash flow.
Step-by-Step Claim Submission Process in Medical Billing
The medical claim submission process generally follows several stages. Although exact requirements vary by payer, provider type, and service, the following steps describe a common workflow.
1. Patient Registration and Information Collection
The first step begins when a patient schedules an appointment or arrives at a healthcare facility.
The practice collects and records the information needed to identify the patient and process insurance claims.
Common information includes:
- Patient’s full legal name.
- Date of birth.
- Address and contact information.
- Insurance company name.
- Insurance member ID.
- Group or policy number, when applicable.
- Subscriber information.
- Relationship to the insurance subscriber.
- Relevant insurance card details.
Accurate patient registration is essential because incorrect names, identification numbers, or subscriber details can cause claim processing problems.
Healthcare staff should review the information provided by the patient and update the practice management system when necessary.
2. Insurance Eligibility and Benefits Verification
After collecting patient information, the next step is to verify insurance eligibility and benefits.
Insurance verification helps the practice determine whether the patient’s coverage is active and understand relevant plan details before services are provided.
The verification process may include checking:
- Active insurance coverage.
- Policy effective and termination dates.
- Patient deductible.
- Copayment requirements.
- Coinsurance responsibilities.
- Out-of-pocket maximum.
- In-network or out-of-network status.
- Referral requirements.
- Prior authorization requirements.
- Applicable service or visit limitations.
Verifying insurance benefits before treatment can help practices identify potential coverage issues and communicate expected patient financial responsibilities.
However, eligibility verification does not guarantee that an insurance company will pay a particular claim. Final payment depends on the patient’s benefits, payer rules, medical necessity requirements, and claim adjudication.
3. Medical Documentation and Charge Capture
Once the patient receives medical services, the provider documents the encounter in the patient’s medical record.
Clinical documentation should accurately describe the services provided, the patient’s condition, relevant findings, and the medical reasoning supporting the treatment.
The billing team uses this documentation to identify the services that need to be reported on the claim.
This stage is commonly known as charge capture.
Accurate charge capture helps ensure that all appropriate billable services are identified and that the claim reflects the actual services documented by the provider.
Missing charges, incomplete documentation, or incorrect service details can create problems during coding and claim preparation.
4. Medical Coding and Claim Preparation
Medical coding is one of the most important stages of the claim submission process.
Medical coders review the provider’s documentation and assign the appropriate diagnosis and procedure codes according to applicable coding guidelines.
Common coding systems include:
- ICD-10-CM: Used to report diagnoses and medical conditions.
- CPT: Used to describe medical procedures and professional services.
- HCPCS Level II: Used for certain supplies, products, services, and procedures not represented by CPT codes.
The coding team must select codes that accurately represent the documented services and follow applicable coding requirements.
Depending on the claim type, other information may also be required, including modifiers, units, place of service, provider identifiers, and other payer-specific details.
Once coding is completed, the billing team enters the relevant information into the billing system and prepares the claim for submission.
Accurate medical coding helps support appropriate reimbursement and reduces the risk of coding-related claim problems.
5. Medical Claim Scrubbing and Quality Review
Before a claim is sent to the insurance payer, it should go through a review process commonly called claim scrubbing.
Claim scrubbing involves checking the claim for missing information, formatting problems, inconsistent data, and other potential errors.
The review may include:
- Patient demographic information.
- Insurance member identification.
- Provider name and National Provider Identifier (NPI).
- Diagnosis codes.
- Procedure codes.
- Modifier accuracy.
- Date of service.
- Place of service.
- Billed charges.
- Required claim fields.
- Payer-specific billing requirements.
Automated billing software and clearinghouse edits can identify many common errors before submission.
However, passing automated edits does not guarantee that a claim will be approved or paid. The insurance payer may still review coverage, medical necessity, coding, and other reimbursement requirements.
A thorough pre-submission review helps practices identify preventable issues before claims enter the payer’s processing system.
6. Electronic Medical Claim Submission
After the claim has been reviewed and validated, it is ready for submission.
Most healthcare providers use electronic claim submission because it allows billing information to be transmitted through standardized electronic transactions.
There are two common electronic submission methods:
Direct submission to the insurance payer
A provider may submit electronic claims directly to an insurance payer through an approved connection or portal, depending on the payer’s requirements.
Submission through a clearinghouse
A clearinghouse acts as an intermediary between the healthcare provider and insurance payer. It receives electronic claims, performs certain validation checks, and forwards them to the appropriate payer.
Professional claims are commonly transmitted using the 837P format, while institutional claims commonly use the 837I format.
After transmission, the billing team should review the available acknowledgment reports to determine whether the claim or transmission was accepted or rejected at the applicable processing stage.
Electronic transmission alone does not mean that the claim has been approved for payment.
7. Claim Acceptance and Rejection Monitoring
Once a claim is submitted, the billing team must monitor its status.
A claim may pass initial electronic checks, encounter additional payer edits, or be rejected because of missing or invalid information.
It is important to understand the difference between a rejected claim and a denied claim.
Rejected claim: A claim or electronic submission that does not pass required initial processing or validation checks. It may be returned for correction before the payer completes its adjudication.
Denied claim: A claim that has been processed by the payer but is not approved for payment, either fully or partially, based on the payer’s determination.
The billing team should review rejection messages, identify the underlying errors, correct the affected information, and resubmit the claim when appropriate.
For denied claims, the team should review the explanation provided by the payer and determine whether a correction, reconsideration, or appeal is appropriate.
Consistent monitoring helps prevent claims from remaining unresolved.
8. Insurance Claim Processing and Adjudication
After a claim passes the required submission checks, the insurance company reviews it through a process known as claim adjudication.
During adjudication, the payer evaluates the claim according to the patient’s insurance coverage, provider contract, applicable policies, and other reimbursement requirements.
The payer may review:
- Patient eligibility on the date of service.
- Covered services and benefits.
- Diagnosis and procedure codes.
- Medical necessity requirements.
- Provider network participation.
- Prior authorization requirements.
- Coordination of benefits.
- Contractual payment rules.
- Patient cost-sharing responsibilities.
Based on this review, the insurance company determines the amount payable, the patient’s responsibility, or whether the claim should be denied.
The final payment decision is generally communicated through an Explanation of Benefits (EOB) or Electronic Remittance Advice (ERA), depending on the payer and delivery method.
9. Payment Posting and Reconciliation
After the insurance company processes the claim, the payment information must be recorded in the healthcare practice’s billing system.
Payment posting involves recording insurance payments, contractual adjustments, and patient responsibility amounts against the appropriate accounts.
The billing team reviews the EOB or ERA to understand how the payer processed the claim.
This may include:
- Amount billed.
- Allowed amount.
- Insurance payment.
- Contractual adjustment.
- Deductible.
- Copayment.
- Coinsurance.
- Remaining patient balance.
- Denial or adjustment codes.
Accurate payment posting helps maintain reliable financial records and makes it easier to identify underpayments, unpaid claims, and outstanding patient balances.
10. Claim Follow-Up and Accounts Receivable Management
The claim submission process does not end when a claim is transmitted or when an initial payment is received.
Healthcare practices need a consistent follow-up process to monitor unpaid, partially paid, rejected, and denied claims.
Accounts receivable (A/R) follow-up involves reviewing outstanding claims, contacting insurance payers when necessary, identifying processing delays, and taking appropriate action.
The billing team may:
- Check outstanding claim statuses.
- Investigate delayed payments.
- Correct rejected claims.
- Review denied claims.
- Submit corrected claims when appropriate.
- Prepare appeals or reconsideration requests when justified.
- Follow up on underpayments.
- Monitor payer response timelines.
- Track outstanding balances.
Regular A/R monitoring helps healthcare providers identify reimbursement problems and take action before claims become more difficult to resolve.
Common Medical Claim Submission Errors
Even an established healthcare practice can experience claim submission errors. Many problems occur because of incomplete patient information, coding mistakes, missing documentation, or failure to follow payer requirements.
Some common medical claim submission errors include:
| Common Error | Potential Impact |
|---|---|
| Incorrect patient information | Claim rejection or processing delays |
| Invalid insurance ID | Eligibility or identification issues |
| Incorrect diagnosis codes | Coding-related denials or payment issues |
| Incorrect procedure codes | Claim processing or reimbursement problems |
| Missing modifiers | Incorrect processing or denial |
| Missing authorization | Potential denial when authorization is required |
| Incomplete documentation | Medical necessity or documentation issues |
| Incorrect provider information | Provider identification or enrollment issues |
| Duplicate claim submission | Duplicate claim edits |
| Late claim submission | Potential timely filing denial |
Healthcare practices can reduce many preventable errors by maintaining accurate patient records, reviewing documentation, following coding guidelines, and implementing consistent claim validation procedures.
How to Improve the Medical Claim Submission Process
Improving claim submission requires attention to every stage of the billing workflow, from patient registration to final payment reconciliation.
Here are practical ways healthcare providers can strengthen their process.
Verify Insurance Before Providing Services
Check patient eligibility and relevant benefits before appointments whenever possible. This helps identify inactive coverage, incorrect insurance details, and potential authorization requirements.
Maintain Accurate Patient Records
Review demographic and insurance information regularly. Even small data-entry mistakes can affect claim processing.
Follow Current Medical Coding Guidelines
Ensure diagnosis and procedure codes are supported by documentation and follow the applicable coding requirements.
Review Claims Before Submission
Use a consistent claim validation process to identify missing information, coding inconsistencies, and payer-specific errors.
Monitor Electronic Claim Acknowledgments
Do not assume that a transmitted claim has been accepted. Review acknowledgment reports and address any rejected claims promptly.
Track Claims and Outstanding A/R
Use billing reports to monitor unpaid claims, rejection patterns, denial reasons, and aging accounts receivable.
Maintain a Consistent Denial Management Process
Identify recurring denial reasons, investigate their root causes, and implement corrective actions to reduce similar problems in the future.
How Professional Medical Billing Services Support Claim Submission
Managing the complete claim submission process requires time, trained staff, billing technology, and familiarity with insurance payer requirements.
For many healthcare practices, handling every stage internally can place additional pressure on administrative teams and reduce the time available for other practice operations.
Professional medical billing services can help healthcare providers manage important parts of the revenue cycle, including:
- Patient information and insurance verification support.
- Medical coding support.
- Claim preparation and submission.
- Claim validation and error review.
- Rejection and denial management.
- Payment posting.
- Accounts receivable follow-up.
- Billing reports and revenue cycle analysis.
At Blue Bridge Billing Services, we support healthcare providers with medical billing, medical coding, insurance verification, credentialing, and reporting services.
Our goal is to help practices maintain an organized billing workflow, address claim-related issues, and improve visibility into their revenue cycle.
Whether your practice needs support with claim submission, coding accuracy, or outstanding accounts receivable, an organized billing process can make a meaningful difference in day-to-day operations.
Frequently Asked Questions About the Claim Submission Process in Medical Billing
1. What are the steps in the claim submission process in medical billing?
The process generally includes patient registration, insurance verification, clinical documentation, charge capture, medical coding, claim preparation, claim scrubbing, electronic submission, rejection monitoring, payer adjudication, payment posting, and A/R follow-up.
2. What is electronic claim submission in medical billing?
Electronic claim submission is the process of sending medical claims to insurance payers digitally through approved billing systems, clearinghouses, or direct electronic connections. It commonly uses standardized electronic transaction formats such as 837P and 837I.
3. What is the difference between a rejected claim and a denied claim?
A rejected claim generally fails an initial validation or submission requirement and is returned for correction. A denied claim has been processed by the payer but is not approved for payment, either fully or partially, based on the payer’s determination.
4. What is a clearinghouse in medical billing?
A medical billing clearinghouse is an intermediary that receives electronic claims from healthcare providers, performs certain validation checks, and forwards claims to the appropriate insurance payers.
5. What is claim scrubbing?
Claim scrubbing is the process of reviewing medical claims before submission to identify missing information, incorrect codes, formatting issues, and other potential errors that could affect processing.
6. What is the 837 transaction in medical billing?
The 837 is a standardized electronic healthcare claim transaction. The 837P is commonly used for professional claims, while the 837I is used for institutional claims.
7. Why are medical claims rejected?
Claims may be rejected because of incorrect patient information, invalid insurance identifiers, missing required fields, formatting problems, or other electronic submission errors. The specific reason should be identified from the payer or clearinghouse response.
8. How can healthcare providers reduce claim submission errors?
Providers can reduce errors by verifying insurance information, maintaining accurate patient records, following current coding guidelines, reviewing claims before submission, monitoring acknowledgments, and addressing recurring rejection and denial patterns.
9. What happens after a medical claim is submitted?
After submission, the claim goes through applicable validation and payer processing stages. The payer reviews coverage and reimbursement requirements, then communicates its payment decision through an EOB or ERA. The billing team should review the result and follow up on unresolved balances.
10. Why should a healthcare practice outsource medical billing?
Outsourcing medical billing can provide access to dedicated billing support, structured claim workflows, coding assistance, claim follow-up, and reporting. The right arrangement depends on the practice’s needs, resources, and service agreement.
Final Thoughts
The claim submission process in medical billing is a critical part of healthcare revenue cycle management. From collecting accurate patient information to preparing claims, submitting them electronically, monitoring payer responses, and posting payments, every stage contributes to an effective reimbursement workflow.
Errors and delays can create additional administrative work and affect a practice’s cash flow. By maintaining accurate records, following appropriate coding guidelines, reviewing claims before submission, and monitoring outstanding accounts, healthcare providers can build a more organized billing process.
If your practice needs help managing medical claims, Blue Bridge Billing Services can support your billing workflow with professional medical billing, coding, insurance verification, credentialing, and reporting services.
Contact Blue Bridge Billing Services today to discuss your medical billing needs and learn how our team can support your practice.