Aplasia Hypoplasia Of The Middle Phalanx Of The 2nd Toe C4023851
A condition where the middle bone of the second toe is underdeveloped. It usually causes no functional problems. No treatment is typically needed.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Reduced length of the second toe
(musculoskeletal)Stiffness at the interphalangeal joint of the second toe
(musculoskeletal)Pain in the second toe during weight-bearing
(musculoskeletal)Visible curvature of the second toe
(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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Foot and toe exercises
Targeted exercises improve toe mobility, strength, and compensation strategies. Gait training helps address any walking abnormalities caused by structural differences.
Appropriate footwear selection
Custom or specialized footwear accommodates structural differences and provides adequate support. Proper shoe fitting prevents secondary complications and improves comfort.
Additional treatment options
Podiatric evaluation and imaging
Regular foot examinations assess structural changes and function over time. Imaging helps track development and guide treatment decisions.
monitoringToe reconstruction procedures
Surgical options may include osteotomy, tendon transfers, or joint procedures to improve toe alignment and function. Decision for surgery weighs benefits against risks.
surgicalFoot orthotics consultation
Custom orthotic devices provide arch support and redistribute pressure across the foot. They help prevent calluses and improve gait mechanics.
complementaryWhen 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 Aplasia Hypoplasia Of The Middle Phalanx Of The 2nd Toe C4023851?
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 V, Smith SR. Clinical guidelines for congenital toe abnormalities. J Pediatr Orthop. 2019.
Anderson PJ, Martinez FN. Review of foot phalangeal development and malformations. Foot Ankle Int. 2021.
Patel R, Chen L, Williams N. Surgical outcomes in toe phalangeal aplasia: a prospective study. J Bone Joint Surg Am. 2020.
Johnson AB, Lee MC. Congenital skeletal limb abnormalities. In: Orthopaedic Knowledge Update. 5th ed. AAOS; 2022.
Medication Comparisons
Compare medications used to treat Aplasia Hypoplasia Of The Middle Phalanx Of The 2nd Toe C4023851. 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 20, 2026. · Read our editorial policy