ICD-10 Code M54.5 – 2025 Chronic Low Back Pain Coding Guide

ICD-10-CM diagnosis code M54.5 is a billable specific code used to classify chronic low back pain, one of the most common musculoskeletal complaints affecting adults worldwide.
This 2025 ICD-10-CM diagnosis code is important for reimbursement purposes, clinical documentation, and accurate pain management tracking.

Effective October 1, 2024, under the 2025 edition of ICD-10-CM, this code remains part of the International Classification of Diseases (ICD-10-CM) used in the American ICD-10-CM version for standardizing pain diagnosis and billing across the U.S.

What Does ICD-10 Code M54.5 Represent?

M54.5 designates chronic low back pain without a specific underlying condition listed. It applies to cases where pain persists for 12 weeks or longer, but the exact source of discomfort. Such as intervertebral disc disorder or nerve root irritation, is not specified.

In the international versions of ICD-10, this code is equally recognized as a billable specific ICD-10-CM diagnosis code, ensuring continuity across healthcare systems for pain-related reporting and reimbursement.

Note: M54.5 should not be used for acute back pain. Use only when pain is persistent and unrelated to immediate trauma.

Understanding Chronic Low Back Pain

Chronic low back pain can stem from multiple causes, including:

  • Intervertebral disc degeneration in the lumbosacral region
  • Lumbago due to intervertebral disc displacement
  • Muscle strain or ligament injury
  • Spinal osteoarthritis or discogenic changes

Clinically, patients may describe symptoms as dull, radiating, or sharp pain, sometimes extending to the legs.
In older adults or individuals with occupational strain, intervertebral disc degeneration in the lumbar region with discogenic back pain only is a common contributor.

Key Related ICD-10 Codes

ICD-10 Code

Description

M54.5

Chronic low back pain (billable specific code)

M54.41

Lumbago with sciatica, right side – may indicate nerve compression

M54.42

Lumbago with sciatica, left side – often linked to intervertebral disc degeneration in the lumbosacral region

M51.2

Intervertebral disc displacement, lumbar region, with discogenic back pain only

M54.6

Pain in the thoracic spine

M54.88

Other dorsalgia

M54.9

Dorsalgia, unspecified

S39.012

Strain of the muscle, fascia, or tendon of the lower back

Select the correct code, whether for lumbago due to intervertebral disc displacement or degenerative disc disease, is important to ensure compliant documentation and accurate claim submission.

Billing and Coding Guidelines

When coding chronic back pain, ensure your documentation supports:

  • Pain duration of 12 weeks or longer.
  • Use of 5 only when pain is general or chronic without a defined cause.
  • Assignment of more specific codes (e.g., 41, M51.2) when sciatica or disc disorders are confirmed.
  • Linking to procedure codes when applicable (e.g., pain management injections, physical therapy).

Correct coding helps healthcare providers:

  • Prevent claim denials.
  • Meet payer compliance standards.
  • Improve care coordination and outcome tracking.

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Clinical and Reimbursement Relevance

M54.5 isn’t just a diagnosis; it’s central to understanding and treating a major cause of disability worldwide.
For reimbursement purposes, this code ensures that chronic pain management services, including evaluations, imaging, and therapies, are properly billed and justified.

Cures billing experts consistently find that refining spine-related coding (like M54.5, M54.42, and M51.2) reduces claim rejections and maximizes collections for clinics.

Practical Insights for Coders and Providers

  • Always differentiate between acute and chronic back pain.
  • Specify laterality (right or left) when sciatica or nerve involvement exists.
  • Document whether pain originates from intervertebral disc disorder or muscular strain.
  • Reference the American ICD-10-CM version to ensure compliance with U.S. coding standards.

Such as when pain is localized to the lumbosacral region with discogenic back pain only, prefer M51.2 over M54.5.

Final Thoughts

ICD-10 Code M54.5 remains a critical billable specific ICD-10-CM diagnosis code for chronic low back pain in the 2025 edition of ICD-10-CM.
Proper coding ensures that healthcare providers receive accurate reimbursement and that patient care strategies align with documented pain severity and duration.

Whether you’re treating chronic low back pain from intervertebral disc degeneration in the lumbosacral region or muscular strain, the right coding makes a measurable difference in compliance, claim success, and care delivery.

Need Help with Back Pain Claims? Cures specializes in ICD-10-CM pain management billing and compliance.
Our experts can help you audit spine-related claims, correct coding errors, and recover lost revenue.

Contact our billing experts today to optimize your chronic low back pain coding and ensure full reimbursement for your services.

Frequently Asked Questions (FAQs)

M54.5 is used to document chronic low back pain, especially when the cause is not linked to an acute injury or specific spinal condition. It assistances make sure correct diagnosis and proper reimbursement.

While M54.5 refers to general low back pain, M54.41 and M54.42 are used when the pain involves lumbago with sciatica on the right or left side, often due to intervertebral disc degeneration or displacement.

Not directly. If recording degeneration is confirmed, it’s better to use a more specific code like M51.2 for discogenic back pain or disc displacement in the lumbar region, paired with symptom codes if needed.

Yes. Using M54.5 without clinical specificity may lead to lower reimbursement. It’s important to support the code with thorough documentation, including history, duration, and imaging findings.

The 2025 edition of ICD-10-CM became effective on October 1, 2024, aligning with the annual updates to the International Classification of Diseases system.

Common related codes include M54.41 (lumbago with sciatica, right side), M54.42 (lumbago with sciatica, left side), and M51.2 (intervertebral disc displacement in the lumbar region).

It refers to degenerative changes in the intervertebral disc of the lower spine, often associated with discogenic back pain or lumbago due to intervertebral disc displacement.

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