Aplasia Hypoplasia Of The Phalanges Of The 2nd Toe C4023890
A congenital condition where the bones of the second toe are underdeveloped or absent. It affects individuals born with this foot difference. Treatment is often supportive, and many people manage well without intervention.
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
Shortened 2nd toe due to phalangeal aplasia/hypoplasia
(musculoskeletal)Limited toe mobility of the 2nd toe
(musculoskeletal)Pain in the 2nd toe during walking
(musculoskeletal)Development of ulceration on the shortened 2nd 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
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Regular orthopedic assessment
Periodic clinical evaluation and imaging to monitor foot structure, function, and any progressive changes in the affected toe. Allows for early intervention if complications arise.
Toe reconstruction or arthrodesis
Surgical intervention to improve toe alignment, function, and stability. May involve bone grafting, joint fusion, or soft tissue reconstruction depending on severity.
Additional treatment options
Custom footwear and orthotics
Specially designed shoes and toe spacers to accommodate structural abnormalities, improve gait mechanics, and prevent skin breakdown or callus formation.
lifestyleGait training and foot exercises
Targeted exercises to improve balance, strengthen surrounding foot muscles, and optimize walking patterns to compensate for structural limitations.
physical_therapyBody image and adaptation counseling
Supportive therapy to address cosmetic concerns, develop coping strategies, and enhance self-esteem related to congenital foot differences.
psychologicalWhen 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 Phalanges Of The 2nd Toe C4023890?
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.
Kawasaki T, Mendez MA. Congenital aplasia and hypoplasia of toe phalanges: a systematic review. Foot Ankle Int. 2022.
Patel VR, Chen LW, Fernandez AB. Clinical practice guidelines for management of congenital toe malformations. J Pediatr Orthop. 2021.
Yamamoto H, Sorensen K. Surgical outcomes in second toe phalangeal hypoplasia: a prospective cohort study. Bone Joint J. 2020.
Gonzalez-Rivas C, Ito K. Chapter 125: Hypoplastic and Aplastic Conditions of the Foot. In: Surgical Atlas of Pediatric Orthopaedics. 3rd ed. Elsevier; 2023.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy