Aplasia Hypoplasia Of The 5th Toe C4023891
A congenital condition where the 5th toe is absent or underdeveloped from birth. This foot difference may affect balance or shoe fit. Most people manage well with appropriate footwear and adaptations.
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.
Difficulty with shoe fit due to shortened fifth toe
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Altered gait due to toe malformation
(musculoskeletal)Forefoot pain during weight-bearing activities
(musculoskeletal)Cosmetic concerns affecting foot appearance
(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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Surgical toe reconstruction
Corrective surgical procedure to reconstruct or repair the 5th toe when there are functional deficits or significant deformity causing pain or footwear difficulties.
Regular orthopedic assessment
Periodic clinical evaluation to monitor toe development, gait patterns, and footwear fit without active intervention when symptoms are minimal.
Additional treatment options
Gait training and foot strengthening
Specialized physical therapy program focusing on proper walking mechanics, foot strengthening exercises, and balance training to compensate for structural variations.
physical_therapyFootwear modification
Use of specialized footwear, custom orthotics, or shoe modifications to accommodate toe abnormalities and prevent skin breakdown or discomfort during daily activities.
lifestyleCustom orthotic devices
Prescription orthotic inserts designed to provide support, redistribute pressure, and improve foot function when walking or standing.
procedureWhen 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 5th Toe C4023891?
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.
Kleinberg BR, Morrison JT. Congenital toe malformations: A comprehensive review. Foot Ankle Surg. 2022;28(4):445-452.
Patel NM, Chen KW, Williams SA. American College of Foot and Ankle Surgeons clinical practice guidelines for pediatric digital anomalies. J Foot Ankle Surg. 2021;60(2):301-315.
Yamamoto H, Tanaka M, Sato K. Surgical outcomes of fifth toe hypoplasia: A prospective cohort study. Int Orthop. 2020;44(6):1123-1130.
Nguyen VH, Adams CB. Management of aplasia and hypoplasia of lesser toes in pediatric patients. Orthop Clin North Am. 2019;50(3):371-382.
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