Basics of Medical Documentation: What Aspiring Medical Billers and Coders Need to Know
- Medical Billing and Coding
- July 4, 2025
- 27 views
- 4 min read

Accurate documentation is essential for medical billing and coding, but many beginners struggle to understand the technical terms and guidelines. Without accurate medical documentation, insurance claims can be delayed or denied, frustrating patients and physicians.
Medical billers and future coders must learn the basics to ensure smooth processing and correct payments. The ability to read patient records, assign medical codes, and comply with legal guidelines is essential to success in this field. These basic skills can help you build a strong foundation for your future career. Read on to learn what you need to know!
Table of Contents
What is Medical Documentation?
Medical documentation is a comprehensive description and record-keeping by health providers on a patient’s medical history, treatments, and interactions. They include details such as:
- Patient Information: The full name of a patient, DOB, contact address, and insurer.
- Past Medical History: This will include previous illnesses, surgeries, and relevant family medical history.
- Diagnosis and Treatment Plans: This section provides information about the patient’s condition and all related treatments.
- Procedures and Medications: Testing, surgical history, and medication-prescribed records.
This information is kept in electronic health records or paper charts and is the basis for medical billing and coding.
Why is Medical Documentation Important?
Accurate medical documentation is vital for patient care and the healthcare system. Here’s why:
- It helps in patient care by providing doctors and nurses with a complete record of a patient’s health history, leading to better treatment decisions.
- Enables Accurate Billing: The data is used at the billing and coding level, where codes determine how much will be paid to the provider.
- Ensures Legal Compliance: Proper documentation helps providers meet legal and insurance requirements.
Accurate medical documentation is the foundation of medical coding and billing. Everything recorded in electronic health records or paper charts directly impacts coding accuracy and insurance claims. Medical billers and future coders must be knowledgeable about common mistakes like unbundling and upcoding. Unbundling is billing multiple CPT codes when one comprehensive code is appropriate, which leads to incorrect billing. Upcoding is coding a higher level of service than was provided and can lead to serious legal consequences. Understanding proper documentation ensures accurate claims, avoids billing mistakes, and maintains ethical standards in healthcare.
Key Components of Medical Documentation
Medical documentation encompasses the following, and as a medical biller and coder, you work with many parts:
- SOAP Notes: These are formatted notes that summarize a patient visit.
- Subjective: What the patient says about their symptoms.
- Goal: What the healthcare provider observes or tests.
- Assessment: This is the diagnosis.
- Plan: The follow-up treatments.
- ICD-10 Codes: Diagnoses codes that describe the condition of the patient.
- CPT Code: Codes describe the procedures or services rendered.
- HCPCS Codes: These are the codes for supplies, drugs, and particular services not classified under CPT.
Knowing how to read and interpret these components ensures the bill is accurate.
Common Issues in Medical Documentation
While medical documentation is complete, it’s not always perfect. Many of the following are faced by billers and coders:
- Incomplete Records: Information gaps make coding difficult, and the billing process takes a long time.
- Illegible Notes: Handwritten notes are cumbersome to read and prone to errors.
- Coding Errors: Incorrect code assignment because of misunderstandings of the documentation results in claim denials.
Overcoming these challenges requires attention to detail and strong communication skills. You may have to call healthcare providers for clarification or more information.
How Northwest Career College Prepares You for Success
The Medical Billing and Coding Program at Northwest Career College is designed to give you the skills and confidence to succeed. You will learn:
- How to read and interpret medical documentation accurately.
- Basic knowledge of coding systems, including but not limited to ICD-10, CPT, and HCPCS.
- How to process a variety of claims efficiently by utilizing billing software.
- Best practices for maintaining all legal and insurance compliances.
Our program, with hands-on training and experienced instructors, prepares you to handle the challenges of medical documentation and build a successful career in healthcare.
Enroll now to start your career as a professional medical biller and coder. Contact us or visit our website to learn more about our program and how we can help you achieve your goals.