### CPT Codes for ICD-10 M51.85 (Other Intervertebral Disc Disorders, Thoracolumbar Region)
#### 1. Lab/Diagnostic Procedures
- **MRI of the Lumbar Spine**:
- **CPT Code**: 72148
- **Description**: Magnetic resonance imaging, lumbar spine; without contrast material.
- **CT of the Lumbar Spine**:
- **CPT Code**: 72131
- **Description**: Computed tomography, lumbar spine; without contrast material.
- **X-ray of the Lumbar Spine**:
- **CPT Code**: 72100
- **Description**: Radiologic examination, spine, lumbar; 2 or 3 views.
#### 2. Treatment Procedures
- **Epidural Steroid Injection**:
- **CPT Code**: 62321
- **Description**: Injection, epidural, lumbar or sacral, single level.
- **Facet Joint Injection**:
- **CPT Code**: 64493
- **Description**: Injection, anesthetic agent and/or steroid into the lumbar or sacral facet joint or joints, single level.
- **Physical Therapy**:
- **CPT Code**: 97110
- **Description**: Therapeutic exercises to develop strength and endurance, range of motion, and flexibility.
- **Chiropractic Manipulation**:
- **CPT Code**: 98940
- **Description**: Chiropractic manipulative treatment, spinal, 1-2 regions.
#### 3. Follow-Up Codes
- **Evaluation and Management (E/M) Codes**:
- **CPT Code**: 99213
- **Description**: Established patient office visit, low to moderate complexity.
- **Physical Medicine and Rehabilitation**:
- **CPT Code**: 97001
- **Description**: Physical therapy evaluation.
#### 4. Reimbursement Ranges
- **MRI of the Lumbar Spine (72148)**: $500 - $1,200
- **CT of the Lumbar Spine (72131)**: $300 - $800
- **X-ray of the Lumbar Spine (72100)**: $100 - $300
- **Epidural Steroid Injection (62321)**: $1,000 - $2,500
- **Facet Joint Injection (64493)**: $600 - $1,500
- **Physical Therapy (97110)**: $50 - $150 per session
- **Chiropractic Manipulation (98940)**: $30 - $100 per session
- **E/M Codes (99213)**: $75 - $150
*Note: Reimbursement rates may vary based on geographic location, payer contracts, and specific practice arrangements.*
#### 5. Billing Notes
- Ensure that the diagnosis code (ICD-10 M51.85) is linked to the appropriate CPT codes for services rendered.
- Document all procedures and evaluations thoroughly to support medical necessity.
- Check for any prior authorization requirements for imaging studies or injections, as these may vary by insurance provider.
- Use modifiers as appropriate (e.g., modifier -50 for bilateral procedures) to ensure accurate billing.
- Be aware of the bundling rules for certain procedures, especially when multiple services are performed on the same day.
### Conclusion
Accurate coding and billing for intervertebral disc disorders in the thoracolumbar region require a comprehensive understanding of the related CPT codes and their appropriate use. Ensure compliance with current coding guidelines and payer policies to optimize reimbursement and maintain the integrity of the billing process.