2024 Diagnosis Code S39.012 for Strain of Muscle, Fascia, and Tendon of Lower Back

Dr.Alex Carter
February 21, 2025
5 min read
s39.012

Table of Contents

Lower back pain is one of the most prevalent musculoskeletal disorders in the United States. According to American chiropractic professionals, approximately 80% of adults experience lower back pain at some point. An estimated 31 million Americans suffer from this condition at any given time. One of the most common causes of lower back pain is muscle, fascia, and tendon strains.

For physical therapists, the S39.012 ICD code and its documentation are important to ensure accurate treatment plans, proper billing, and smooth insurance claims processing for patients with lower back pain. 

This blog will explore everything you need to know about the S39.012 diagnosis code, including its significance, proper usage, clinical documentation, treatment options, and how it impacts billing and insurance claims.

Understanding Strain of Muscle, Fascia, and Tendon of Lower Back

The lower back (lumbar region) consists of muscles, tendons, and fascia that support the body, enable movement, and protect the spine. Muscles like the erector spinae provide strength, tendons connect muscles to bones, and fascia stabilizes the area. Strains occur when these structures are overstretched or torn, causing pain and discomfort.

Common Causes of Lower Back Strains

  • Overexertion: Lifting heavy objects incorrectly or excessive physical activity.
  • Sudden Movements: Twisting, bending, or awkward lifting.
  • Poor Posture: Long periods of improper sitting or standing.
  • Inactivity: Weak muscles from lack of exercise.
  • Age-Related Wear: Degeneration in the spine and muscles with age.

Symptoms of Lower Back Strains

  • Sudden pain or discomfort
  • Muscle stiffness and limited motion
  • Swelling or bruising
  • The pain worsened by certain movements
  • Tenderness when touched

These symptoms indicate a strain, but other causes should also be considered. Platforms like SPRY's integrated EMR system simplify your documentation of lower back strains by offering customizable SOAP notes and automated patient intake. Check out the Pricing here! 

Coding Guidelines for S39.012

Code S39.012 has details, and this will help you explain your strain to healthcare professionals.

What is the S39.012 Code? 

The S39.012 code refers specifically to a strain of muscle, fascia, and tendon in the lower back. This code is part of the ICD-10 system, used for classifying diagnoses in healthcare. It is important to use the most accurate code for proper diagnosis, clinical documentation, and reimbursement.

S39.012 – Strain of muscle, fascia, and tendon of the lower back.

This code should be used when the healthcare provider confirms a muscle strain in the lumbar region, differentiating it from other spinal or neurological issues.

Proper Usage of the S39.012 Code in Clinical Practice

The S39.012 code is used when diagnosing an injury involving the soft tissues in the lower back, including muscles, fascia, and tendons. To ensure proper usage:

  1. The S39.012 code should be used when no fractures, dislocations, or other spinal conditions are present.
  2. The code should also be used when there is clear evidence of muscle strain or overstretching in the lower back without any underlying chronic conditions.

There are similar codes, and they need to be differentiated to have a clear concept of the codes. 

Differentiating S39.012 from Similar Diagnostic Codes

It is important to differentiate S39.012 from other similar ICD-10 codes that might be used for different conditions, such as:

  • S39.011: Strain of muscle, fascia, and tendon of the lumbar spine (a similar code, but it covers other soft tissue injuries).
  • S39.002: Strain of muscle, fascia, and tendon of lower back, unspecified side.
  • S39.011: Strain of muscle, fascia, and tendon of lower back, right side.
  • S39.013: Strain of muscle, fascia, and tendon of lower back, left side.

The proper guidance of code can be achieved through effective software solutions. Platforms like SPRY’s platform integrate up-to-date coding rules directly into your clinical workflows. You can minimize coding errors and maximize reimbursements with SPRY. Say goodbye to denied claims – Try SPRY for seamless coding and billing.

Understanding the difference between these codes also helps ensure that the correct diagnosis is made and recorded.

Clinical Documentation for S39.012

Accurate clinical documentation is essential for proper coding and reimbursement, particularly when diagnosing lower back strains. By ensuring that all critical elements are included in your notes, you can avoid common errors and streamline the coding process for S39.012.

Essential Elements of Clinical Notes for Accurate Coding

Accurate clinical documentation is key for proper coding and reimbursement. For S39.012, it’s essential to include:

  1. Detailed Patient History: Record the onset of symptoms, any potential injury mechanisms (e.g., lifting, twisting), and any pre-existing conditions that might influence the diagnosis.
  2. Physical Examination Findings: Document the physical signs observed during the exam, such as tenderness, swelling, or limited range of motion.
  3. Diagnosis Confirmation: Ensure that the diagnosis of a strain is confirmed based on clinical findings and any relevant diagnostic tests.

Common Documentation Errors to Avoid

  • Incorrect Code Assignment: Ensure that the correct code, S39.012, is used, and avoid using low back pain codes like M54.5 unless the pain is not associated with a strain.
  • Vague Descriptions: Avoid using vague terms like “back pain” without specifying whether it’s due to a strain or another condition.
  • Failure to Document Severity: Note the severity of the strain (mild, moderate, or severe), as it can impact treatment decisions.

Best Practices in Documenting Lower Back Strain Cases

  • Use standardized templates for SOAP (Subjective, Objective, Assessment, and Plan) notes that include fields for describing the injury mechanism, symptoms, and treatment plan.
  • Include any relevant diagnostic test results, such as X-rays or MRI scans, if performed.
  • Document progress and any changes in the patient’s condition during follow-up visits.

A thorough diagnosis process is important to ensure that the right treatment plan is implemented and the correct code, such as S39.012, is used for billing and reimbursement.

Implications of S39.012 Coding in Billing and Insurance

This process will lead healthcare providers to minimize claim denials and maximize reimbursement rates.

Role of Accurate Coding in Insurance Claims

Accurate use of S39.012 ensures proper billing and faster reimbursement. Insurance companies require precise codes to process claims efficiently and determine appropriate payment. The proper documentation and claim amount can be examined with the help of the procedure code and insurance payer. 

Here is a SPRY-curated reference of the average claim amount, along with the insurance payers and procedure code. This will help in evaluating the estimated amount regarding the diagnosis code “S39.012” for Strain of Muscle, Fascia, and Tendon of Lower Back. It will also support billing terms.

Insurance Payer Procedure Code - Claim Allowed Amt
Aetna 97110 - $25.09
97112 - $50.72
97530 - $19.16
Anthem 97110 - $24.02
BCBS of Indiana 97112 - $26.73
97162 - $96.47
MEDRISK 97014 - $7.37
97110 - $34.27
97112 - $27.93
97161 - $90.00
97164 - $34.59
97530 - $43.80
Premera BCBS 97110 - $28.06
97112 - $32.57
97530 - $35.48
Regence 97110 - $30.02
97112 - $34.85
97530 - $56.93
Regence Uniform Medical 97110 - $60.04
97112 - $34.85

Note: The table provides adequate accuracy about the claim amount and helps clinicians find the related insurance provider along with the procedure code.  Talk to SPRY PT for more details! 

Potential Impact on Reimbursement

  • Higher reimbursement rates: Accurate diagnosis codes like S39.012 help ensure clinics receive the correct reimbursement for treating lower back strains.
  • Avoiding claim denials: Incorrect or vague coding can lead to claim rejections and delay payments.

Handling Disputed Claims Related to S39.012

In case of disputes:

  • Appeal the denial: Submit additional documentation to clarify the diagnosis.
  • Consult with insurance carriers For further clarification on coding rules related to S39.012.

Diagnosis Process for Lower Back Strains

This process will lead healthcare providers to determine the most appropriate course of treatment for lower back strains as it contains various methods of treatment stages. 

Initial Assessment and Patient History

A comprehensive patient history is important in diagnosing lower back strains. Start by asking about:

  • The onset of pain (sudden or gradual).
  • The cause of the injury (lifting, twisting, overuse).
  • Previous back injuries or surgeries.
  • Any chronic conditions that may contribute to strain, such as arthritis.

Diagnostic Tests and Imaging for Confirmation

  • X-rays: Rule out fractures or other structural issues.
  • MRI: Identify soft tissue damage, such as muscle tears, and assess the extent of the strain.
  • CT scans: Sometimes used to get detailed views of soft tissues in cases of severe strain.

The diagnosis can be made easier with SPRY’s integrated appointment scheduling and patient management tools that help practitioners seamlessly track patient histories and examination notes. Their automated eligibility verification and real-time claim tracking ensure that all patient information is accurately captured for efficient diagnosis and billing. 

Whether opting for conservative measures or more advanced interventions, the goal is to alleviate pain and promote healing while ensuring accurate documentation and coding for reimbursement. 

Platforms like SPRY PT provide AI-driven tools, such as automated eligibility verification and real-time claim tracking, to ensure that the correct codes are used, minimizing billing errors.

Movement Physical Therapy, a leading provider of physical therapy services based in Chicago, faced challenges due to outdated practice management software. It found a 20% revenue boost with SPRY. Sam Shah explained the challenges and the solutions provided by SPRY PT. 

  1. “SPRY’s vision for the future of physical therapy practice management was cutting edge and perfectly aligned with our needs.” 
  2. “We managed to switch over a weekend without disrupting our operations. All our existing data was imported smoothly, and the team quickly adapted to the new system.” 
  3. "The impact of SPRY is undeniable. Since switching to SPRY, our clinic's revenue has grown by nearly 20%,"

Conclusion

The S39.012 diagnosis code plays a critical role in diagnosing, documenting, and billing for lower back strains. Proper usage of this code ensures that your practice is reimbursed while providing accurate treatment for patients. With effective documentation practices and a clear understanding of coding guidelines, healthcare providers can improve patient.

The workflows, improving clinic efficiency while enhancing patient care, can be done by  Spry’s customizable features, which allow for tailored. Its comprehensive reporting and denial management tools also help clinics optimize reimbursements and resolve disputed claims quickly, ensuring smoother financial operations and better overall practice performance.

Struggling with coding errors and claim denials? Schedule a demo with Spry and streamline your process today!

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