Coding
News
Alex Bendersky
Healthcare Technology Innovator

Navigating ICD-10 Code Changes for Low Back Pain: Post-M54.5 Discontinuation

Last Updated on -  
December 2, 2025
Time
min Read
The Top 20 Voices in Physical Therapy You Should Be Following for Innovation, Education, and Impact
SPRY
December 2, 2025
5 min read
Alex Bendersky
Brings 20+ years of experience advancing patient carethrough
digital health solutions and value-based care models.
Sam Tuffun
PT, DPT
Expertise in rehabilitation, outpatient care, and the intricacies of medical coding and billing.
Navigating ICD-10 Code Changes for Low Back Pain: Post-M54.5 Discontinuation

Webinar

From Claims Delays to Clean Approvals: How AI Helps Clinics Win

September 17, 2025
1 p.m. - 2 p.m. EST
Still Filling Pre-Auth Forms Manually?

No more bouncing between insurance portals. Our AI agent collects, enters, and submits everything you need for a pre-auth in seconds—while you focus on patient care.

Meet the Pre-Auth Assistant You’ve Always Wanted
Get exclusive early access
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Summary for this page

A quick AI-generated overview extracted directly from the content of this page.

Summary: The discontinuation of ICD-10 code M54.5 for low back pain, effective October 1, 2021, significantly impacts rehabilitation therapy coding practices. Healthcare providers must adapt to this change along with other deletions such as codes R05 and R63.3. Staying informed about these updates is crucial for maintaining accurate coding and billing processes.

The Sunset of ICD-10 Code M54.5

Every year, the Centers for Medicare & Medicaid Services (CMS) releases updates to the ICD-10 manual. These updates include adding new codes, deleting outdated ones, and revising existing ones. In a recent update, CMS announced the discontinuation of the ICD-10 code M54.5, which pertains to low back pain. This change took effect on October 1, 2021. The M54.5 code has been most frequently used in the rehabilitation therapy sector. Its removal is anticipated to impact the coding practices of most rehab therapists significantly.

Beyond M54.5: Other Codes Facing Deletion

While removing M54.5 is undoubtedly the most notable change, it's not the only one. Other codes that have been identified for deletion include:

  • R05 - Representing cough
  • R63.3- Indicating feeding difficulties

These deletions underscore the need for healthcare providers to stay updated and adapt to the evolving landscape of medical coding.

The Rationale Behind the Change

Why would CMS opt to delete a code as widely used as M54.5? The primary reason is the lack of specificity in the M54.5 code. In the world of ICD-10, coding specificity is paramount. CMS has recommended several alternative codes offering more precision to address the gap left by removing M54.5. Some of these codes might be familiar to providers, while others are new additions. Here are the suggested replacements:

  • S39.012 - Low back strain
  • M51.2- - Lumbago due to intervertebral disc displacement
  • M54.4- - Lumbago with sciatica
  • M54.50 - Low back pain, unspecified
  • M54.51 - Vertebrogenic low back pain
  • M54.59 - Other low back pain

It's crucial to note that using codes like S39.012, M51.2-, or M54.4- alongside M54.5- might trigger an Excludes1 edit.

Anticipating Payer Responses

Changes to the ICD-10 manual apply across the board, affecting Medicare, state, and commercial payers. However, some commercial payers might not immediately update their systems to reflect these changes. This lag can result in billing issues, such as denials for newly introduced codes. 

For instance, billing with the new code M54.51 might lead to a denial until the payer updates its policies. Even if a claim with the M54.5 code is initially accepted, retractions could occur later. The best approach for providers is to adhere to the most recent version of the ICD-10 manual and be prepared to submit appeals when necessary.

Preparing for the Future

With the onset of the compliance season, CMS has introduced these changes as just the beginning. More updates are expected with the 2022 final rule. Healthcare providers must stay informed and adapt to these changes to ensure smooth operations and compliance.

In conclusion, the changes to the ICD-10 manual, especially the deletion of the M54.5 code, underscore the dynamic nature of the healthcare industry. Providers must stay updated, adapt to these changes, and use the most accurate and specific diagnosis codes.

Ready to Transform Your Rehab Practice?

Join 500+ clinics using SPRY to save time, increase revenue, and provide better patient care.

Book a Demo
Share on Socials:

Reduce costs and improve your reimbursement rate with a modern, all-in-one clinic management software.

Get a Demo
Table of Content

Case Study

90% Engagement Lift & 70% Reduction in Check-In Time at Excel Therapy

Read Case Study

Ready to Maximize Your Savings?

See how other clinics are saving with SPRY.

Transform Your

Coding

Practice Today

See How SPRY Addresses Unique

Coding

Challenges

Book a Demo