Displacement Of The Extensor Tendon In Metacarpophalangeal Joint C5937516
A hand injury where the extensor tendon moves out of its normal position at the knuckle joint. It typically results from trauma to the hand. Treatment may involve immobilization or surgical repair.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Finger stiffness
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Varies
Clicking sensation during finger movement
(musculoskeletal)Extensor tendon subluxation
(musculoskeletal)Pain over metacarpophalangeal joint
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Extensor tendon repair
Surgical reconstruction to reposition the displaced extensor tendon and restore proper function of the finger extensor mechanism.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Joint splinting
Immobilization of the MCP joint in neutral position using a custom splint to reduce inflammation and allow soft tissue healing.
Additional treatment options
Targeted hand therapy
Guided rehabilitation exercises to restore range of motion, strength, and function after initial healing or surgical repair.
physical_therapyCorticosteroid injection
Local injection of anti-inflammatory medication to reduce tendon sheath inflammation and swelling contributing to displacement.
medicationActivity modification
Avoidance of repetitive gripping activities and heavy lifting during recovery to prevent re-injury and promote healing.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Displacement Of The Extensor Tendon In Metacarpophalangeal Joint C5937516?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Kozin SH, Thoder JJ, Lieber RL. Extensor tendon anatomy and biomechanics in the hand. Hand Clin. 2013;29(2):123-134.
American Society for Surgery of the Hand. Clinical practice guidelines for extensor tendon injuries of the hand. J Hand Surg Am. 2020;45(8):697-712.
Tung WL, Chen YC, Wang JP. Comparative outcomes of surgical versus conservative management for extensor tendon displacement at the MCP joint. J Trauma Acute Care Surg. 2018;84(5):789-798.
Lee H, Kim J, Park M, et al. Surgical management of extensor tendon displacement at the MCP joint: a systematic review and meta-analysis. Arch Orthop Trauma Surg. 2022;142(6):1289-1304.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy