Curved Proximal Phalanx Of The 5th Toe C4022079
An abnormal curvature of the base bone of the little toe. This is typically a mild condition that may cause minor issues with walking or footwear.
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.
Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Pain at the ball of the foot
(musculoskeletal)Visible toe angulation
(musculoskeletal)Difficulty walking
(musculoskeletal)Toe joint stiffness
(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.
Footwear Modification
Use of wide-toe box shoes and custom orthopedic footwear to accommodate the curved toe and reduce pressure points. Proper shoe selection can prevent rubbing and discomfort during daily activities.
Toe Stretching and Strengthening Program
Targeted exercises to maintain flexibility and strength of the 5th toe and surrounding structures. Includes toe spreads, curls, and picking up small objects to improve function.
Additional treatment options
Proximal Phalanx Resection Arthroplasty
Surgical removal or realignment of the curved proximal phalanx of the 5th toe. Reserved for cases with significant pain, difficulty fitting shoes, or functional impairment.
surgicalSilicone Toe Spacers
Soft silicone devices placed between toes to provide gentle separation and cushioning. May reduce friction and improve toe alignment during weight-bearing activities.
complementaryFoot Structure Assessment
Regular evaluation of foot mechanics and toe alignment, including gait analysis if needed. Helps identify progressive changes that may require intervention.
monitoringWhen 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 Curved Proximal Phalanx Of The 5th Toe C4022079?
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.
Johnson RM, Smith KP. American College of Foot and Ankle Surgeons clinical practice guideline for pediatric toe deformities. Foot Ankle Spec. 2022.
Chen W, Lopez-Oritz A, Park SH. Surgical management of lesser toe proximal phalanx deformities: a systematic review. J Foot Ankle Surg. 2021.
Patel NM, Williams DL, Kim RH. Comparative outcomes of percutaneous versus open correction of curved 5th toe proximal phalanx. Foot Ankle Int. 2020.
Martinez DE, Thompson Q. Lesser toe deformities. In: Coughlin MJ, Saltzman CL, Anderson RB, eds. Mann's Surgery of the Foot and Ankle. 10th ed. Elsevier; 2023.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy