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ICD-10 Guide
ICD-10 CodesM41.12

M41.12

Billable

Adolescent idiopathic scoliosis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M41.12 is a billable code used to indicate a diagnosis of adolescent idiopathic scoliosis.

Key Diagnostic Point:

Adolescent idiopathic scoliosis (AIS) is a spinal deformity characterized by a lateral curvature of the spine that occurs during the growth spurt just before puberty. The condition is termed 'idiopathic' because the exact cause remains unknown, although genetic factors may play a role. The curvature is typically assessed using the Cobb angle, with a measurement of 10 degrees or more indicating scoliosis. AIS can lead to physical deformities, including uneven shoulders, a prominent rib cage, and a tilted waist. While many cases are mild and require only monitoring, severe cases may necessitate intervention, such as bracing or surgical procedures like spinal fusion. The condition can also be associated with other spinal deformities, including kyphosis (excessive outward curvature of the spine) and lordosis (excessive inward curvature). Early detection and management are crucial to prevent progression and associated complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in curvature severity and progression
  • Need for precise measurement documentation (Cobb angle)
  • Differentiation from other types of scoliosis
  • Potential for co-existing spinal deformities

Audit Risk Factors

  • Inadequate documentation of curvature measurements
  • Failure to document the patient's growth status
  • Lack of follow-up notes on treatment efficacy
  • Misclassification of idiopathic vs. congenital scoliosis

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed clinical notes on curvature measurements, treatment plans, and follow-up assessments.

Common Clinical Scenarios

Patients presenting with back pain, visible spinal deformities, or referrals for surgical evaluation.

Billing Considerations

Ensure accurate documentation of the Cobb angle and any imaging studies performed.

Pediatrics

Documentation Requirements

Growth charts, family history of scoliosis, and physical examination findings.

Common Clinical Scenarios

Routine school screenings revealing potential scoliosis or referrals for further evaluation.

Billing Considerations

Document growth spurts and any changes in symptoms over time.

Coding Guidelines

Inclusion Criteria

Use M41.12 When
  • Follow the official ICD
  • CM coding guidelines for reporting scoliosis
  • Ensure to document the curvature angle and any associated conditions
  • 12 is specifically for idiopathic cases; other types of scoliosis have different codes

Exclusion Criteria

Do NOT use M41.12 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22840CPT Code

Spinal fusion, posterior technique

Clinical Scenario

Used in cases of severe AIS requiring surgical correction.

Documentation Requirements

Operative report detailing the procedure, indications, and preoperative assessments.

Specialty Considerations

Orthopedic surgeons must document the rationale for surgical intervention.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of scoliosis types, improving the accuracy of data collection and reimbursement processes. M41.12 provides a clear distinction for idiopathic cases, which aids in research and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of scoliosis types, improving the accuracy of data collection and reimbursement processes. M41.12 provides a clear distinction for idiopathic cases, which aids in research and treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. M41.12 provides a clear distinction for idiopathic cases, which aids in research and treatment outcomes.

Resources

Clinical References

  • •
    American Academy of Orthopaedic Surgeons - Scoliosis

Coding & Billing References

  • •
    American Academy of Orthopaedic Surgeons - Scoliosis

Frequently Asked Questions

What is the primary treatment for adolescent idiopathic scoliosis?

The primary treatment for adolescent idiopathic scoliosis depends on the severity of the curvature. Mild cases may only require observation, while moderate to severe cases may necessitate bracing or surgical intervention, such as spinal fusion.