Medical Billing

Posted by: Alok Prasad

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What is Medical Billing?

Medical billing is a comprehensive process that translates medical procedures, diagnoses, and treatments into universally understood codes, documenting them into medical claims, and facilitating communication between healthcare providers, insurance entities, and patients to ensure fair and equitable reimbursement.

This process, as defined above, involves several crucial steps, including patient registration, insurance verification, charge capture, and coding of diagnoses and procedures. After the claim is created and submitted, it becomes the responsibility of either the in-house medical biller or the medical billing outsourcing company to diligently follow up with insurance companies to ensure accurate and timely payment and process insurance and patient payments.

In situations where patients do not have insurance coverage, the medical practice takes responsibility for generating bills, sending them to patients, and following up to ensure payment for the medical services rendered.


Many claims that are denied due to including missing or incorrect data, duplicate or late submissions, improper or outdated CPT or ICD-10 codes, lack of documentation or prior authorization, and other reasons can be corrected and appealed. The goal is to ensure that the healthcare provider is reimbursed for the services they have provided to a patient.


Though medical billing procedures in the past used to be done using paper-based methods and handwritten or typewriter-drafted documents, the emergence of multiple technologies in the healthcare industry has transitioned them to an electronic process. This has resulted in savings of time and money and reduced human and administrative errors.



Types of Medical Billing

There are several types of medical billing, including:

  1. Professional Medical Billing: This type of billing is used by individual healthcare providers, such as physicians, dentists, and chiropractors, to bill for services they provide to patients.

  2. Institutional Medical Billing: This type of billing is used by hospitals, clinics, and other healthcare facilities to bill for services provided to patients.

  3. Medicare Billing: This type of billing is used specifically for billing services to Medicare, a federal health insurance program for people over 65 years of age or with certain disabilities.

  4. Medicaid Billing: This type of billing is used specifically for billing services to Medicaid, a joint federal and state health insurance program for people with low income and limited resources.

  5. Workers' Compensation Billing: This type of billing is used to bill for healthcare services provided to employees who are injured on the job and are covered by workers' compensation insurance.

  6. Personal Injury Billing: This type of billing is used to bill for healthcare services provided to patients who have been injured as a result of an accident or other personal injury, and their medical bills are covered by the responsible party's liability insurance.

Each type of medical billing has its own specific requirements and regulations, and the billing process can vary depending on the type of billing being used. Healthcare providers and medical billing specialists need to have a good understanding of the different types of medical billing to effectively navigate the billing process and ensure accurate and timely payment for healthcare services provided.

The Medical Billing Process

Medical Billing cycle comprises of a number of steps that play an important part in ensuring that a physician practice receives the revenue it is owed. If any one of these steps are missed or done incorrectly, it can negatively affect the practice’s revenue cycle.

1. Patient registration

Patient registration is process of collecting and verifying patient demographic information, insurance information, and medical history. This includes collecting basic information such as name, address, date of birth, and insurance information, as well as recording any medical conditions or allergies. Accurate and up-to-date patient registration is essential for ensuring that medical billing is accurate and efficient.

2. Charge capture

Charge capture is the process of accurately documenting the services provided to patients, including diagnostic codes and treatment codes. This includes documenting the type and quantity of services provided, as well as the associated charges. Charge capture is essential for ensuring that insurance companies can accurately reimburse healthcare providers for the services they provide.

3. Coding of Diagnosis, Procedures and Modifiers

After patient check-out, a medical biller is responsible for translating the report from the visit into diagnosis and procedure codes. He or she then performs charge validation and creates a superbill, which is an itemized form that details services provided to a patient and submitted to a payer for reimbursement.

4. Claim submission

The process of submitting a claim to insurance companies for reimbursement. This includes preparing and submitting a claim form, along with supporting documentation such as codes and charge information. Claim submissions must be accurate and complete to ensure timely reimbursement.

5. Insurance verification

The process of verifying a patient's insurance coverage and benefits. This includes checking for coverage, co-pays, deductibles, and out-of-pocket maximums. Insurance verification is essential for ensuring that patients understand their financial responsibility and for reducing the risk of uncompensated care.

6. Authorization and pre-certification

The process of obtaining prior approval from insurance companies for certain procedures or treatments. This includes obtaining authorization for a specific service or procedure, and may be required for procedures such as surgeries or imaging tests. Authorization and pre-certification are important for reducing the risk of denied claims.

7. Payment posting

The process of recording payments from insurance companies and patients. This includes recording the amount paid, the date of payment, and the source of payment. Payment posting is essential for ensuring that healthcare providers have an accurate record of their financial performance.

8. Denial management

The process of identifying and addressing denied claims, including appeals and re-submissions. This includes identifying the reason for the denial, preparing and submitting an appeal, and following up with the insurance company. Denial management is essential for reducing the risk of lost revenue and for ensuring that healthcare providers receive full reimbursement for the services they provide.

9. Accounts receivable follow-up

The process of following up on outstanding accounts, including collections and bad debt management. This includes following up with patients and insurance companies to ensure that payment is received in a timely manner, and may include sending reminders, making phone calls, and negotiating payment plans. Accounts receivable follow-up is essential for reducing the risk of lost revenue and for improving financial performance.

10. Billing Report generation

The process of generating reports on billing and financial performance, including performance metrics and analysis. This includes generating reports on revenue, expenses, collections, and denial rates, as well as generating reports for management and stakeholders. Report generation is essential for ensuring that healthcare providers have the information they need to make informed decisions.

11. Compliance

The process of ensuring that medical billing practices are in compliance with applicable regulations, including HIPAA, CMS, and state and federal laws. This includes ensuring that patient information is protected, that claims are submitted in accordance with regulations, and that billing practices are consistent with industry standards. Compliance is essential for reducing the risk of fines and penalties, and for ensuring that healthcare providers operate in a manner that is ethical and in the best interests of their patients.


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Challenges in Medical Billing

Healthcare providers that fail to streamline their medical billing process jeopardize the financial sustainability of their practice. By focusing on combating common challenges in the process, however, they can increase their reimbursement and optimize their revenue cycle. Key obstacles in medical billing include:

1. Denials

Claim denial occurs when a claim is processed and then repudiated by a payer. Denials fall under five primary categories: soft, hard, preventable, clinical, and administrative. Most denied claims are preventable, and more than half of them are re-submittable once corrected.

2. Accuracy

Some healthcare providers continue to manually perform their denial management process, often resulting in increased human errors and reduced transparency. Even the smallest amount of inaccurate or incomplete patient information can result in a claim being denied

3. Patient Eligibility

Probably the number one source for denied claims is patient eligibility, meaning the service submitted for payment isn’t included in the insurance plan under which it’s being billed. Front-office staff must ensure they verify a patient’s health insurance status and coverage.

4. Lack of Automation

Manual claim processes are usually extremely time-consuming and increase the turnaround for claims. Healthcare providers that lack automation in their medical billing process miss out on the capability for advanced claims reporting and customized decision support.

5. Lack of Technology

Without technology to effectively prioritize, manage, and channel claims, physician practices are unlikely to be able to streamline their denial management and obtain revenue they’re owed by patients and payers. Even if a practice’s staff members are knowledgeable about the process, not having the applicable technology to administer claims makes it difficult to manage them efficiently

Physician practices have had to deal with additional challenges the past few months due to the COVID-19 pandemic. Even with the Coronavirus Aid, Relief, and Economic Security (CARES) Act and updated billing guidance from the Centers for Medicare & Medicaid Services (CMS) healthcare professional services declined 68% in utilization and 48% in revenue compared to the same time period last year.

Patient visits are still approximately one-third lower than they were before the new coronavirus hit the United States, and many practices are trying different options to accrue extra revenue, including implementing telemedicine initiatives and adding other service lines to their offerings. Through streamlined medical billing, these healthcare providers can ensure their revenue cycle runs smoothly during both decreases in patient visits and backlogs of appointments.

Evolution of Medical Billing

Medical billing has evolved significantly over the last few years, driven by changes in the healthcare industry and advancements in technology. Some of the key changes include:

1. Increased use of electronic billing

Electronic billing has become more widespread, allowing for faster and more accurate claims processing. According to a study by the Healthcare Financial Management Association (HFMA), electronic billing reduces the time it takes to process a claim from 14 days to just two days.

2. Adoption of value-based care

With the shift toward value based care,  medical billing has become more focused on outcome-based metrics, such as patient satisfaction and health outcomes. This has led to a greater emphasis on population health management and patient engagement.

3. Increased complexity of codes and regulations

With the adoption of new codes and regulations, medical billing has become more complex, requiring specialized expertise to navigate. A study by the Medical Group Management Association (MGMA) found that 92% of medical billing professionals find the current coding and reimbursement environment to be challenging.

4. Growth of patient financial responsibility

Patients are now responsible for an increasing portion of their healthcare costs, requiring medical billing teams to be more focused on patient collections and insurance verification. A survey by the Kaiser Family Foundation found that patient cost-sharing has increased by an average of 63% over the past decade.

5. Growing importance of patient collections

The shift from fee-for-service to value-based care has resulted in higher health insurance deductibles for some patients. In fact, patient costs, including out-of-pocket maximums and deductibles, have increased 30% over the past four years and 230% in the previous 10 years. Therefore, providers have had to adjust their collection strategies, including collecting payment before procedures, revising payment agreements, and promoting price transparency. Following are a few statistics that show why patient collections can be challenging for physician practices:

5. Emphasis on data analytics:

Data analytics is playing a growing role in medical billing, allowing healthcare providers to gain insights into their billing and collections processes, and identify opportunities for improvement. A study by Health Affairs found that data analytics can help healthcare organizations improve revenue cycle management and reduce administrative costs by up to 15%.


    • Healthcare Financial Management Association (HFMA), "Electronic Billing and Payment: Streamlining Claims Processing and Payment" (2017)
    • Medical Group Management Association (MGMA), "Coding and Reimbursement" (2019)
    • Kaiser Family Foundation, "Trends in Employer Health Coverage" (2022)
    • Health Affairs, "Data Analytics in Healthcare: Opportunities and Challenges" (2021)

The Future of Medical Billing


Technology is expected to have a significant impact on the medical billing landscape, driving increased efficiency, accuracy, and security in the billing process, while also freeing up medical billing teams to focus on more strategic and patient-facing activities.


1. Artificial Intelligence (AI) and Machine Learning (ML)


AI and ML are expected to play an increasingly important role in medical billing, allowing for more efficient and accurate claims processing, as well as improved decision-making and revenue cycle management. AI algorithms can be used to identify and address billing errors and inefficiencies, while ML can be used to predict and prevent future issues.

2. Computer-assisted coding (CAC)

CAC has been shown to lower coding time by 22% without reducing accuracy and will probably continue to be used by physician practices in an attempt to increase productivity and reduce claim backlogs. For practices, it can prompt identification of gaps in clinical documentation and faster medical billing.

3. Blockchain

Blockchain technology is expected to play a role in improving the transparency and security of medical billing processes. Blockchain-based solutions can be used to ensure the accuracy of medical claims and secure the exchange of sensitive information between healthcare providers, payers, and patients.

4. Cloud Computing

Cloud computing is expected to continue to play a significant role in the medical billing landscape, allowing for more flexible and scalable billing solutions. By storing and processing data in the cloud, medical billing teams can access and analyze data in real-time, even when working remotely.

5. Robotic Process Automation (RPA)

RPA is expected to automate many of the manual and repetitive tasks involved in medical billing, such as claims submissions, insurance verifications, and collections. RPA can be used to improve the accuracy and speed of these tasks, while freeing up medical billing teams to focus on more strategic and patient-facing activities.

6. Telemedicine and Virtual Care

Telemedicine and virtual care are expected to play an increasingly important role in the delivery of healthcare services, and will require new medical billing solutions to ensure accurate billing for these services. This will include the development of new codes and reimbursement models for virtual services, as well as the integration of telemedicine platforms with medical billing systems.


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Topics: Medical Billing, Provider/Physician, Consultant, Practice Manager

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