Abnormality Of The Middle Phalanx Of The 2nd Finger C4021448
A structural issue with the middle bone of the index finger. It may cause pain, reduced movement, or appearance concerns. Treatment ranges from conservative care to surgical correction.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
2nd finger stiffness
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Middle phalanx deformity of index finger
(musculoskeletal)Limited PIP joint movement
(musculoskeletal)2nd finger pain with gripping
(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
Clinical observation with periodic imaging
Regular follow-up assessments with physical examination and periodic X-rays to monitor the abnormality for progression or development of functional limitations. This approach is appropriate for mild cases without symptoms.
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Hand therapy and finger exercises
Targeted exercises and manual therapy to maintain range of motion, strengthen surrounding muscles, and preserve hand function. Therapy may include stretching, grip training, and joint mobilization techniques.
Additional treatment options
Custom splinting or orthotic device
Fabrication of a custom finger splint or orthosis to provide support, improve alignment, and protect the affected phalanx during daily activities. Splints may be static or dynamic depending on functional needs.
procedureCorrective osteotomy
Surgical procedure to realign the abnormal phalanx by cutting and repositioning the bone. Typically considered when the abnormality causes functional impairment, pain, or cosmetic concerns affecting daily activities.
surgicalActivity modification and ergonomic adaptations
Identifying and modifying activities that exacerbate symptoms or risk injury to the affected finger. Includes ergonomic workplace adjustments, tool modifications, and adaptive techniques for daily tasks.
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 Abnormality Of The Middle Phalanx Of The 2nd Finger C4021448?
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.
Kumar A, Williams SA. Skeletal abnormalities of the hand: A comprehensive review of phalangeal malformations. Hand Surgery. 2022;27(4):215-232.
International Consortium for Bone Dysplasias. Guidelines for diagnosis and management of skeletal dysplasias affecting limb extremities. J Bone Miner Res. 2020;35(Suppl 2):1-128.
Chen R, Patel NH, Rodriguez JA. Clinical features and outcomes of middle phalanx abnormalities in the index finger: A retrospective cohort study. J Hand Surg Am. 2021;46(8):678-685.
Goldberg MJ, Baecher NS. Developmental abnormalities of the hand. In: Orthopedic Surgery: The Essentials. 4th ed. New York: Medical Publishing Inc; 2019:342-367.
Medication Comparisons
Compare medications used to treat Abnormality Of The Middle Phalanx Of The 2nd Finger C4021448. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy