ICD-10 Diagnosis Code M99.42

Connective tiss stenosis of neural canal of thoracic region

Diagnosis Code M99.42

ICD-10: M99.42
Short Description: Connective tiss stenosis of neural canal of thoracic region
Long Description: Connective tissue stenosis of neural canal of thoracic region
This is the 2018 version of the ICD-10-CM diagnosis code M99.42

Valid for Submission
The code M99.42 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Biomechanical lesions, not elsewhere classified (M99)
      • Biomechanical lesions, not elsewhere classified (M99)

Information for Patients


Spinal Stenosis

Your spine, or backbone, protects your spinal cord and allows you to stand and bend. Spinal stenosis causes narrowing in your spine. The narrowing puts pressure on your nerves and spinal cord and can cause pain.

Spinal stenosis occurs mostly in people older than 50. Younger people with a spine injury or a narrow spinal canal are also at risk. Diseases such as arthritis and scoliosis can cause spinal stenosis, too. Symptoms might appear gradually or not at all. They include

  • Pain in your neck or back
  • Numbness, weakness, cramping, or pain in your arms or legs
  • Pain going down the leg
  • Foot problems

Doctors diagnose spinal stenosis with a physical exam and imaging tests. Treatments include medications, physical therapy, braces, and surgery.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Foraminotomy (Medical Encyclopedia)
  • Laminectomy (Medical Encyclopedia)
  • Spinal fusion (Medical Encyclopedia)
  • Spinal stenosis (Medical Encyclopedia)
  • Spine surgery - discharge (Medical Encyclopedia)
  • What Is Spinal Stenosis? - NIH


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