M76.9 – Enthesopathy of the Lower Limb
M76.9 is an ICD-10 diagnosis code for an unspecified enthesopathy of the lower limb, referring to painful changes at tendon and ligament attachment sites on bone.
Things worth knowing about "M76.9"
M76.9 is an ICD-10 diagnosis code for an unspecified enthesopathy of the lower limb, referring to painful changes at tendon and ligament attachment sites on bone.
Definition
M76.9 is a diagnosis code from the ICD-10 classification system and stands for an unspecified enthesopathy of the lower limb. An enthesopathy refers to a pathological change at the enthesis – the site where tendons, ligaments, or joint capsule components attach to bone. These changes can cause significant pain and restrict mobility.
Causes
Enthesopathies can result from a variety of factors:
- Overuse and microtrauma: Repetitive mechanical stress, for example from sports or physical work, leads to small injuries at the tendon insertion.
- Degenerative changes: With age, the quality of tendon tissue decreases, increasing susceptibility to enthesopathy.
- Inflammatory conditions: Rheumatic diseases such as ankylosing spondylitis or psoriatic arthritis are common causes of enthesopathy.
- Metabolic disorders: Conditions such as gout or diabetes mellitus can damage tendon attachment sites.
- Biomechanical misalignment: Leg or foot axis deformities increase stress at certain attachment points.
Symptoms
Typical symptoms of enthesopathy of the lower limb include:
- Localised pain at the tendon or ligament insertion, often triggered by loading or pressure
- Morning stiffness in the affected area
- Swelling and warmth over the affected insertion site
- Restricted range of motion in the adjacent joint
- In chronic cases: calcification at the tendon insertion (calcific enthesopathy)
Common Locations in the Lower Limb
Typical sites where enthesopathies occur in the lower limb include:
- Heel: Plantar fasciitis (heel spur), Achilles tendinopathy
- Knee: Patellar tendon insertion (jumper's knee), pes anserinus
- Hip: Greater trochanter (trochanteric bursitis), gluteal tendon insertion
- Shin: Tibialis anterior insertion
Diagnosis
Diagnosis of enthesopathy is usually established through:
- Clinical examination: Tenderness on palpation and functional testing of the affected area
- Ultrasound (sonography): Visualisation of thickening, calcifications, or fluid at the tendon insertion
- X-ray: Detection of calcifications or bony outgrowths (enthesophytes)
- MRI (magnetic resonance imaging): Detailed imaging of soft tissues and early inflammatory changes
- Laboratory tests: In cases of suspected inflammatory-rheumatic origin (e.g. CRP, ESR, HLA-B27)
Treatment
Treatment depends on the underlying cause, severity, and duration of symptoms:
Conservative Measures
- Rest and activity modification: Avoiding pain-triggering activities
- Physiotherapy: Stretching and strengthening exercises, manual therapy
- Orthopaedic aids: Insoles, braces, or heel cushions
- Physical therapy: Extracorporeal shockwave therapy, ultrasound therapy, heat or cold applications
- Medication: Nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief and reduction of inflammation
- Corticosteroid injections: In selected cases for local anti-inflammatory effect
Surgical Treatment
In therapy-resistant cases, surgical intervention may be necessary, for example removal of calcifications or decompression of the tendon insertion.
Prognosis
With timely and consistent treatment, the prognosis is generally good in most cases. Chronic courses can occur, particularly when the underlying cause is not addressed or mechanical overload continues.
References
- World Health Organization (WHO): ICD-10 Classification of Diseases, 10th Revision, Chapter XIII – Diseases of the Musculoskeletal System and Connective Tissue, M76.9.
- Maffulli N., Renström P., Leadbetter W.B.: Tendon Injuries – Basic Science and Clinical Medicine. Springer Verlag, 2005.
- Rompe J.D. et al.: Evidence-based management of enthesopathies – Current Concepts in Orthopaedic Practice, 2018.
Most purchased products
For your iron balance
Specially formulated for your iron balance with plant-based curry leaf iron, Lactoferrin CLN®, and natural Vitamin C from rose hips.
For your universal protection
As one of the most valuable proteins in the body, lactoferrin is a natural component of the immune system.
For Healthy Oral Flora & Dental Care
Formulated lozenges with Dentalac®, lactic acid bacteria, and Lactoferrin CLN®The latest entries
3 Posts in this encyclopedia categoryMost read entries
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Calorie content
Cologne list
Related search terms: M76.9