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v1.0.0
ICD-10 Guide
DiagnosesBack Muscle Strain

Back Muscle Strain

ICD-10 Coding for Back Muscle Strain(S39.012A, S29.012A)

PRIMARY SPECIALTYOrthopedics
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Back Muscle Strain?
Essential facts and insights about Back Muscle Strain

Key Clinical Considerations:

  • Localized pain in the back, muscle stiffness, and limited range of motion
  • MRI or CT scan may show soft tissue injury; X-rays to rule out fractures
  • Tenderness upon palpation, muscle spasms, and pain with movement

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history, physical exam findings, and treatment plan
  • ICD-10 terminology: M62.830 (Strain of muscle, fascia and tendon of lower back)
  • Example: 'Patient presents with acute lower back pain following lifting heavy objects.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for acute vs. chronic strains; avoid using unspecified codes.
  • Common errors include misclassifying the severity of the strain.

Code Exclusions

Important Exclusions

  • Fractures, herniated discs, and other spinal conditions
  • Alternative codes for chronic back pain or other specific injuries

Related ICD-10 Codes

Primary Codes
M62.830
Strain of muscle, fascia and tendon of lower back
Ancillary Codes
M54.5
Differential Codes
S33.5-
S23.3-

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Adults and adolescents; common in physically active individuals
  • Outpatient orthopedic clinics, emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include detailed history, physical exam, and treatment plan.

Billing considerations?

Ensure accurate coding to avoid claim denials; consider modifiers for additional services.