Tendinitis ICD-10-CM Codes

Tendinitis ICD-10-CM Codes

Discover the specific ICD-10 codes used for tendinitis. They aid in accurately diagnosing and treating this common inflammation of tendons.

By Patricia Buenaventura on Aug 8, 2025.

Fact Checked by Gale Alagos.

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What ICD-10 codes are used for tendinitis?

Tendinitis refers to the inflammation of a tendon, leading to pain and discomfort in the affected area. This common condition can affect various tendons in the body, and accurate coding is essential for precise diagnosis and effective treatment.

Here are some of the commonly used ICD-10 codes under the code range M00-M99: Diseases of the musculoskeletal system and connective tissue, for various forms of tendinitis:

  • M65.2: Calcific tendinitis
  • M75.2: Bicipital tendinitis
  • M76.0: Gluteal tendinitis
  • M76.1: Psoas tendinitis
  • M76.5: Patellar tendinitis
  • M76.6: Achilles tendinitis
  • M76.7: Peroneal tendinitis
  • M76.82: Posterior tibial tendinitis

Which tendinitis ICD codes are billable?

Only the more specific ICDs under the aforementioned codes or related codes are billable. Examples are:

  • M65.20: Calcific tendinitis, unspecified site
  • M65.229: Calcified tendinitis, unspecified upper arm
  • M65.272: Calcific tendinitis, left ankle and foot
  • M65.279: Calcific tendinitis, unspecified ankle and foot
  • M75.22: Bicipital tendinitis, left shoulder
  • M76.50: Patellar tendinitis, unspecified knee
  • M76.51: Patellar tendinitis, right knee
  • M76.70: Peroneal tendinitis, unspecified leg
  • M76.71: Peroneal tendinitis, right leg

Clinical information

  • Tendinitis, a type of tendon disorder, typically occurs due to repetitive use, overuse, and pressure (excessive) on a tendon, a type of soft tissue. Activities that place constant stress on the affected tendons can lead to inflammation and pain.
  • The condition manifests through various symptoms, including: Pain, especially during movement, swelling in the affected area, stiffness that restricts the range of motion, and warmth or tenderness to the touch
  • Certain factors may increase the risk of tendinitis, such as age, occupation or hobbies involving repetitive movements, specific sports put stress on particular tendons.
  • Early diagnosis is crucial for effective treatment. It usually involves a physical examination to check for tenderness, imaging tests like X-rays or MRIs, if required.
  • Various treatment options are tailored to the severity and location of the condition. These include rest, ice, pain relievers, physical therapy, injections, or surgery.
  • Steps to prevent tendinitis include proper warm-up and stretching before activities, using proper equipment and technique, and regular strengthening exercises
  • With proper care and treatment, most cases of tendinitis respond well, and individuals can return to regular activities. Chronic problems can be managed with ongoing care.

Understanding the intricacies of tendinitis helps in providing targeted care and facilitates recovery. Early intervention and adherence to a tailored treatment plan can prevent chronic issues and restore normal function.

Synonyms include

  • Tendonitis
  • Tendon inflammation
  • Strained tendon
  • Jumper's knee (for patellar tendinitis)
  • Tennis elbow (for lateral elbow tendinitis)

Commonly asked questions

When diagnosing a patient with inflammation or swelling in a tendon, the appropriate ICD code must be used.

Treatment often includes rest, pain medication, ice application, and physical therapy.

A diagnosis code for tendinitis provides a standardized way to identify and bill for the specific type of tendinitis being treated, such as Achilles tendinitis or rotator cuff tendinitis.

Related ICDs

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