ICD-10 Diagnosis Code M70.921

Unsp soft tissue disorder related to use/pressure, r up arm

Diagnosis Code M70.921

ICD-10: M70.921
Short Description: Unsp soft tissue disorder related to use/pressure, r up arm
Long Description: Unspecified soft tissue disorder related to use, overuse and pressure, right upper arm
This is the 2017 version of the ICD-10-CM diagnosis code M70.921

Valid for Submission
The code M70.921 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other soft tissue disorders (M70-M79)
      • Soft tissue disorders related to use, overuse and pressure (M70)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M70.921 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 555 - SIGNS AND SYMPTOMS OF MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE WITH MCC
  • 556 - SIGNS AND SYMPTOMS OF MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE WITHOUT MCC

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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.

Information for Patients


Arm Injuries and Disorders

Of the 206 bones in your body, 3 of them are in your arm; the humerus, radius and ulna. Your arms are also made up of muscles, joints, tendons and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall or an accident.

Types of arm injuries include

  • Tendinitis and bursitis
  • Sprains
  • Dislocations
  • Broken bones

Some nerve problems, arthritis, or cancers can affect the entire arm and cause pain, spasms, swelling and trouble moving. You may also have problems or injure specific parts of your arm, such as your hand, wrist, elbow or shoulder.

  • Arm CT scan
  • Brachial plexopathy
  • Radial head fracture - aftercare
  • Radial nerve dysfunction


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