ICD-10 Diagnosis Code M18.32

Unil post-trauma osteoarth of 1st carpometacarp jt, l hand

Diagnosis Code M18.32

ICD-10: M18.32
Short Description: Unil post-trauma osteoarth of 1st carpometacarp jt, l hand
Long Description: Unilateral post-traumatic osteoarthritis of first carpometacarpal joint, left hand
This is the 2019 version of the ICD-10-CM diagnosis code M18.32

Valid for Submission
The code M18.32 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Osteoarthritis (M15-M19)
      • Osteoarthritis of first carpometacarpal joint (M18)

Information for Medical Professionals

Information for Patients


Also called: Degenerative joint disease, OA, Osteoarthrosis

Osteoarthritis is the most common form of arthritis. It causes pain, swelling, and reduced motion in your joints. It can occur in any joint, but usually it affects your hands, knees, hips or spine.

Osteoarthritis breaks down the cartilage in your joints. Cartilage is the slippery tissue that covers the ends of bones in a joint. Healthy cartilage absorbs the shock of movement. When you lose cartilage, your bones rub together. Over time, this rubbing can permanently damage the joint.

Risk factors for osteoarthritis include

  • Being overweight
  • Getting older
  • Injuring a joint

No single test can diagnose osteoarthritis. Most doctors use several methods, including medical history, a physical exam, x-rays, or lab tests.

Treatments include exercise, medicines, and sometimes surgery.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Osteoarthritis (Medical Encyclopedia)

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