What happens if a claim is coded incorrectly?

Asked by: Elna Quitzon  |  Last update: February 16, 2026
Score: 4.2/5 (42 votes)

If a claim is coded incorrectly, it often leads to denials, delayed payments, or underpayments, increasing administrative work to correct errors, but in severe cases, it can trigger audits, compliance reviews, fines, or legal issues, especially with patterns of fraud like upcoding. The main consequence is lost revenue and disrupted operations, with patients sometimes bearing costs or experiencing dissatisfaction.

What are the consequences of coding errors?

The Consequences of Inaccurate Coding and Incorrect Billing

Coding inaccuracy is not only harmful to physicians, but it is also dangerous to patients. Financial Consequences – While timely and precise reimbursement is critical for operations, errors can result in claim denials, delayed reimbursements, or underpayment.

What are the consequences of incorrect medical coding on a claim form?

Incorrect medical coding can lead to delayed reimbursements, claim denials, compliance risks, and financial losses. These issues can disrupt the revenue cycle, harm relationships with patients and insurers, and may even result in legal issues or audits.

What will happen if the diagnosis is coded incorrectly?

Mismatched diagnosis code and procedure code

Failing to justify the diagnosis and the procedure could lead to claim denials. There are other ways this error could occur. For instance, wrong diagnosis code could be accidentally used to justify a procedure, leading to incorrect denial of claim or reimbursement.

Which of the following is a consequence of billing incorrectly?

The most common issues that patients face when their data and bill are inaccurately coded are delays or rejection of insurance claims. The healthcare provider's reputation might also be affected if patients discover they didn't receive accurate medical coding and billing.

Inclusive and bundled denial

25 related questions found

What are the consequences of noncompliant coding?

Every code entered, every diagnosis documented, and every procedure billed must be meticulously coded to ensure proper reimbursement and compliance with regulations. However, coding errors can occur despite the best intentions, leading to delays in payment, denials, audits, and potential legal repercussions.

What are the potential ramifications of errors when submitting a claim?

Billing errors in healthcare can lead to denied claims, lost revenue, compliance risks, and even patient dissatisfaction. Whether it's coding mistakes, incorrect patient information, or claim submission errors, small inaccuracies can have significant financial consequences.

What are five common coding errors?

5 Most Common Medical Billing and Coding Errors

  • Not Enough Data. Failing to provide information to payers to support claims results in denials or delays. ...
  • Upcoding. ...
  • Telemedicine Coding Errors. ...
  • Missing or Incorrect Information. ...
  • Incorrect Procedure Codes.

What is the golden rule in medical billing and coding?

The golden rule in medical coding and billing is "If it wasn't documented, it wasn't done," meaning services, diagnoses, and treatments must be clearly, accurately, and thoroughly recorded in the patient's medical record to be billable, ensuring legal compliance, justifying medical necessity, and preventing claim denials. This principle emphasizes that documentation is the ultimate source of truth for payers and protects providers from audits by proving services were rendered. 

Can I sue for incorrect medical billing?

Unfortunately, identifying mistakes on a bill and successfully contesting them can be a complicated process. While billing errors are generally not the basis for a lawsuit, there are many steps consumers can take themselves in this situation.

What are some consequences of incorrect coding?

Coding Errors May Lead to Fraud and Abuse Fines

As you can see, incorrect coding causes poor patient care and trouble with reimbursements, but what happens to those responsible? Practices and providers who have a history of coding mistakes may face fines and or federal penalties for fraud or abuse.

What are the two most common claim submission errors?

The two most common claim submission errors are incorrect or incomplete patient/insurance information (like names, DOBs, policy numbers) and wrong or missing medical codes (CPT/ICD codes) or details, often stemming from simple typos or data entry mistakes, leading to denials and delays. Missing prior authorizations for services also ranks as a major, costly error.
 

What are the most common coding errors?

Syntax Errors

  • Missing or mismatched parentheses, brackets, or quotes.
  • Forgetting to use semicolons or colons to terminate statements or indicate block structure.
  • Incorrect indentation, especially in languages like Python, where indentation is significant.
  • Misspelling keywords or identifiers.

What are the three types of coding errors?

There are three basic types of errors that programmers need to be concerned about: Syntax errors, runtime errors, and Logical errors. Syntaxis the set of rules that govern a language. In written and spoken language, rules can be bent or even broken to accommodate the speaker or writer.

What can result from the use of outdated or incorrect codes on a billing claim?

Submitting claims with invalid/deleted codes – CPT/HCPCS codes are updated frequently, and the use of outdated codes can lead to billing claim rejections and reimbursement delays. It is key to stay updated with the latest coding information from the American Medical Association (CPT) and Medicare (HCPCS).

How many errors can a code detect?

A code can detect k errors if when any k bits are changed in any of the words, we get something that is outside our code. For example, we can see that your code b cannot detect 3 errors, because by changing three bits, you can turn the first word into the second.

What is the first rule of medical coding?

What is the “code first” rule in medical billing and coding? “Code first” is an ICD-10-CM sequencing coding guideline that instructs the medical coder to assign the underlying condition before coding the manifestation – that is, the secondary condition that results from the primary disease.

What are the two laws or regulations that relate to medical billing and coding?

The legal requirements for medical billing practices mandate compliance with several federal laws. These regulations include the Health Insurance Portability and Accountability Act (HIPAA), No Surprises Act, The False Claims Act, the Anti-Kickback Statute, and Medicare and Medicaid guidelines.

What is the platinum rule in healthcare?

The Platinum Rule, which would have us consider—doing unto patients as they would want done unto themselves—offers a standard that is more likely to result in treatment decisions that are consistent with patients' personal needs and objectives.

What is the most common rejection in medical billing?

The most common medical billing denials stem from administrative errors like missing/incorrect patient info, coding mistakes (CPT/ICD-10), and lack of prior authorization, along with issues like timely filing limits, non-covered services, and insufficient documentation, with codes like CO-16 (missing info) and CO-50 (medical necessity) frequently appearing, highlighting issues with data accuracy and policy compliance.
 

What are the examples for incorrect payer billed error?

10 common medical billing errors

  • Incorrect modifiers. One of the most common medical billing errors is the misuse of modifiers. ...
  • Billing the wrong payer. ...
  • Omitting Details on Claims. ...
  • Lack of prior authorizations. ...
  • Unbundling. ...
  • Upcoding. ...
  • Duplicate billing. ...
  • Failing to bill for services.

What is abuse in medical coding?

Abuse – Practices that result in unnecessary costs but are not done with the intent to deceive. For example: Billing for services that are not medically necessary, because of poor record keeping or a lack of policy awareness.

What are the possible consequences of inaccurate coding and incorrect billing?

Inaccurate coding and billing can have far-reaching consequences for healthcare providers. These pitfalls can result in financial losses, legal matters, loss of reputation, potential audits and investigations, strained provider-patient relationships, and compromised quality of care.

What happens to a claim if it contains an error?

Filing errors or submitting incomplete information can also result in a denied claim. Make sure that all information you provide to your insurance company is accurate and complete. If the paperwork is missing or contains mistakes, the claims process could be delayed, or the claim could be denied.

What are the three most common mistakes on a claim that will cause denials?

Here, we discuss the first five most common medical coding and billing mistakes that cause claim denials so you can avoid them in your business:

  • Claim is not specific enough. ...
  • Claim is missing information. ...
  • Claim not filed on time (aka: Timely Filing)