ICD-10 Diagnosis Code M19.079

Primary osteoarthritis, unspecified ankle and foot

Diagnosis Code M19.079

ICD-10: M19.079
Short Description: Primary osteoarthritis, unspecified ankle and foot
Long Description: Primary osteoarthritis, unspecified ankle and foot
This is the 2018 version of the ICD-10-CM diagnosis code M19.079

Valid for Submission
The code M19.079 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Osteoarthritis (M15-M19)
      • Other and unspecified osteoarthritis (M19)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M19.079 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Degenerative joint disease of ankle AND/OR foot
  • Localized, primary osteoarthritis
  • Localized, primary osteoarthritis of the ankle and/or foot
  • Localized, primary osteoarthritis of toe
  • Osteoarthritis of ankle
  • Osteoarthritis of calcaneocuboid joint
  • Osteoarthritis of first metatarsophalangeal joint
  • Osteoarthritis of foot joint
  • Osteoarthritis of midfoot
  • Osteoarthritis of subtalar joint
  • Osteoarthritis of talonavicular joint
  • Osteoarthritis of toe joint
  • Primary osteoarthritis of ankle
  • Primary osteoarthritis of calcaneocuboid joint
  • Primary osteoarthritis of first metatarsophalangeal joint
  • Primary osteoarthritis of midfoot
  • Primary osteoarthritis of subtalar joint
  • Primary osteoarthritis of talonavicular joint

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)
  • What Is Osteoarthritis? - NIH - Easy-to-Read (National Institute of Arthritis and Musculoskeletal and Skin Diseases)

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