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Exfoliate Billing Problems with Nephrology Billing Guidelines10 min read

Nephrology Billing Guidelines
Nephrology billing guidelines are crucial to be considered in order to make your billing practice more efficient and accurate.


Nephrology billing guidelines is not a matter of a booklet, but it’s a complete guidebook updating with change in calendars date. The marvel of this guidebook is a correct Nephrology Billing code and the best nephrology billing services protocol.

In today’s blog post, we will be delving into the world of nephrology billing guidelines. As healthcare providers, we understand the importance of efficiency and accuracy when it comes to billing practices. Nephrology, in particular, presents unique challenges and complexities that require a thorough understanding of billing guidelines. So let’s dive in and explore how to streamline your nephrology billing process!

What are Nephrology Billing Services?

Nephrology billing services provide support to nephrologists in managing their billing and reimbursement processes. But don’t worry, with nephrology billing services, it’s not all work and no play! Whether playing the claim game or revising denials, you can have fun while managing your finances! These services include services such as coding, claims processing, appeals, denials management, and compliance. They also provide guidance on best practices to ensure accurate and timely reimbursement. Nephrology billing services provide seven common services:

  • Critical care nephrology
  • Kidney dialysis (including arteriovenous fistula surgery) 
  • Interventional nephrology (ultrasound-guided procedures) 
  • Onconephrology (cancer-related kidney diseases) 
  • Pediatric nephrology
  • Kidney transplantation
  • Percutaneous needle biopsy

Before we delve into the specifics, let’s start by understanding the fundamentals of nephrology billing guidelines. Nephrology deals with the diagnosis and treatment of diseases related to the kidneys. It encompasses a wide range of services, including but not limited to dialysis, kidney transplantation, and management of kidney-related conditions.

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Problems Associated With Nephrology Practice Billing

Following are some common nephrology billing problems pissing off nephrologists to manage nephrologist;

Complex Coding

Nephrologists often express the pain point as “The coding system is so complicated!” Nephrology medical billing involves a lot of complex coding, which can take time to keep up with, especially with constantly changing billing codes.


Many say, “It takes too much of our time!” Manual billing processes are time-consuming, diverting valuable time from patient care.

Compliance Issues

A common complaint is, “Staying in line with regulations is very challenging.” Compliance with continually evolving healthcare regulations is also a significant challenge.

Increased Denials

A major pain point is, “Our claims keep getting denied.” Erroneous claims or not following the correct procedures often result in increased claim denials.

Lack of Training

Most staff say, “We lack expertise in billing.” Healthcare professionals must be adequately trained in medical billing procedures, leading to errors and inefficiencies.

Costly Mistakes

Important nephrology billing guidelines include a keen review of the costly mistakes. Staff often say, “Mistakes in billing are costing us dearly.” Mistakes made in billing can lead to hefty fines or a loss of revenue.

Inefficient Software 

One can often hear, “Our billing software is not efficient enough.” Outdated or inefficient billing software can lead to longer processing times and errors.

Lack of Transparency 

They often express, “We have a lack of transparency in our billing process.” This can lead to clarity and trust among patients creating a positive impression.

Patient Dissatisfaction

They are constantly mentioning, “Patients are not happy with our billing process.” Complexity in billing processes often ends up confusing the patients leading to dissatisfaction with the medical service.

Keeping Up-to-date

A common refrain is, “It’s hard to stay updated with the latest changes in the billing process.” The constantly changing landscape of healthcare billing makes it difficult for medical practices to stay current.

Coding and Documentation for Nephrology Services

Accurate nephrology billing codes and documentation are crucial for successful nephrology billing. The American Medical Association (AMA) has developed the Current Procedural Terminology (CPT) codes, which are used to describe various medical services and procedures. To ensure proper reimbursement, it is essential to assign the relevant CPT code for the services provided accurately.

Additionally, documentation plays a vital role in supporting the billing process. Physicians must ensure that their documentation is comprehensive, legible, and includes all relevant details. It ensures proper billing and facilitates effective communication with other healthcare providers.  

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Nephrology Billing Guidelines for Specific Services

Now that we have covered the basics let’s explore some specific nephrology billing guidelines for common services provided by nephrologists.

Dialysis Services

Dialysis is a critical component of nephrology care, and accurate billing is essential to ensure appropriate reimbursement. Here are some important billing guidelines for dialysis services:

Provider Type

Nephrologists who directly supervise dialysis treatments should bill using their National Provider Identifier (NPI) as the rendering provider. Ensuring that the NPI is accurately reported on the claim form is crucial.

Coding and Documentation

When billing for dialysis services, it is essential to use the appropriate CPT codes that reflect the specific type of dialysis performed. Documentation should indicate the start and end times of the dialysis treatment, any complications encountered, and the patient’s response to the treatment.


Modifier -59 (distinct procedural service) may be used when billing for two separate dialysis services performed on the same day. This modifier helps to distinguish between different procedures and ensures proper reimbursement.

Kidney Transplantation

Kidney transplantation is a complex procedure that requires meticulous billing practices. Here are some key billing guidelines to keep in mind:

Evaluation and Management (E/M) Services 

Physicians providing pre- and post-transplant E/M services should use the appropriate E/M codes to capture the complexity and intensity of the care provided. Accurate documentation is crucial to support the level of E/M services reported.

Transplant Surgery

Billing for kidney transplantation surgery involves using the appropriate CPT codes that describe the transplantation procedure. Documentation should include details of the surgery, including the technique used, any complications encountered, and the anatomical structure of the transplanted kidney.

Immunosuppressive Drug Therapy

Following a kidney transplant, patients require long-term immunosuppressive drug therapy. Physicians should use the appropriate CPT codes when billing to manage immunosuppressive drug therapy. Documentation should indicate the drugs administered, the dosages, and any adjustments made based on the patient’s condition.

Management of Kidney Disease

Nephrologists play a crucial role in managing chronic kidney disease (CKD). Here are some billing guidelines for the management of kidney disease:

CKD Staging

CKD is classified into stages based on the glomerular filtration rate (GFR). It is important to document the stage of CKD accurately as it determines the level of care required and the appropriate CPT codes to use.

Billing for Laboratory Services

Nephrologists often order and interpret laboratory tests to assess kidney function and monitor CKD progression. It is important to use the correct CPT codes for these laboratory services and ensure that the documentation clearly supports the medical necessity of the tests ordered.

Chronic Care Management (CCM)

Nephrologists who provide ongoing care and management for patients with CKD may be eligible to bill for Chronic Care Management services. Compliance with the specific CCM billing guidelines is crucial to ensure proper reimbursement.

Staying Up-to-Date with Nephrology Billing Guidelines

As with any field in medicine, billing guidelines in nephrology are subject to regular updates and changes. To stay up-to-date and ensure compliance, consider the following strategies:

Continuing Education

Regularly participate in continuing education courses specific to nephrology billing. These courses can provide valuable insights into any updates or changes in nephrology billing guidelines.

External Resources

Keep an eye on reputable external resources, such as professional organizations, that provide regular updates on nephrology billing guidelines. These resources can help you navigate any changes in policies and ensure accurate billing practices.

Consultation and Collaboration

Seek opportunities to collaborate and consult with fellow nephrologists and billing specialists. Sharing knowledge and experiences can help ensure compliance with billing guidelines and streamline the billing process.

How To Choose Software For Nephrology Billing?

Well, despite every single problem, you can manage nephrology billing coding and claim submission with all-in-one solutions like Nephrology billing software. This software has a complete solution that can ease the billing process by making it done in the most phenomenal way by facilitating the following features:

Financial Dashboard 

An account receivables forecast based on patient volume is provided, along with projected and actual collection data.

Patient Dashboard 

Payers’ payments are shown in this section, along with the number of patients and the analysis of patients based on targets.


There is detailed information on payments, aging, patient lists, location analysis, provider analysis, and CPT analysis in this section.

Financial Report

It includes a summary of charges and collections, reconciliations, patient deductibles, and performance analysis.

Looking for All-in-One Solution – Try Our Billing Software


Navigating through nephrology billing guidelines can be challenging, but a thorough understanding of the basics and adherence to proper coding and documentation practices can greatly streamline the billing process. Remember to stay updated with the latest guidelines, seek professional resources, and collaborate with peers to ensure accurate billing and maximum reimbursement.

By implementing these nephrology billing guidelines into your practice, you can focus more on providing high-quality care to your patients while minimizing billing-related stress. Take charge of your billing practices today and pave the way for a more efficient and financially stable nephrology practice!

Now, it’s your turn! Please share your experiences and thoughts on nephrology billing guidelines by contacting us via email. Let’s continue the conversation and learn from each other’s insights!

Frequently Asked Questions About Nephrology Billing Services

What is the Billable ICD-10 Code for Dialysis?

The most commonly used ICD-10 code for dialysis is N18.5. This code is used for chronic kidney disease with dialysis, chronic kidney failure, end-stage renal disease, and other similar conditions.

What is the ICD for ESRD on Dialysis?

The ICD-10 code for ESRD (end-stage renal disease) on dialysis is N18.6. This code is used to describe a patient who has experienced a complete or nearly complete failure of the kidneys and is dependent on dialysis for their survival.

How Do You Code Nephrology?

Nephrology is coded using ICD-10 codes N00 to N99. These codes are used to describe diseases or conditions of the kidneys, such as glomerulonephritis, kidney failure, and hypercalcemia.

What is the CPT Code for a Nephrology Visit?

The CPT code for a nephrology visit is 99202-99205, depending on the complexity of the visit. A nephrology visit is typically coded based on the complexity of the visit, including the amount of time spent with the patient and the amount of work involved in diagnosing and treating the patient.

What are the Coding Guidelines for the CKD Stage?

According to the American Medical Association’s Current Procedural Terminology (CPT) coding guidelines, the code for a nephrology visit for the chronic kidney disease (CKD) stage should be based on the level of complexity of the visit. The code should be 99202 for a low-complexity visit, 99203 for a moderate-complexity visit, and 99205 for a high-complexity visit.

What is the CPT Code for kidney Disease?

The CPT code for chronic kidney disease is 90935. This code is used for a comprehensive assessment of a patient’s kidney function.

What is the 90966 Billing Code?

The 90966 billing code is used for an in-depth evaluation of a patient’s kidney function, which includes multiple laboratory tests and an assessment by a healthcare provider.

How do you Code a Dialysis Patient?

Dialysis patients should be coded using the 90935 billing code, which is used to describe the administration of dialysis and other ancillary services necessary for their care. The 90935 code is typically used for outpatients but can also be used for inpatients if needed. However, if dialysis is provided in a hospital setting, the code should be 90937. Additionally, the service should be billed with the appropriate modifiers to ensure that the full scope of the service is reported.

Andrew Mark
Andrew Mark
As a healthcare IT expert, I bring extensive experience in revenue cycle management (RCM), medical billing, and coding. I am passionate about simplifying complex healthcare processes and empowering providers with efficient solutions.



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