Aphalangy Of Hands And Feet C4021887
A rare congenital disorder where bones in fingers and toes are missing or underdeveloped. It affects both sexes and varies in severity. Orthopedic support may help function.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Missing fingers
(musculoskeletal)Missing toes
(musculoskeletal)Difficulty with fine motor tasks
(musculoskeletal)Limb malformation
(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
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Pollicization Procedure
Surgical reconstruction that transforms the index finger into a thumb-like digit, creating functional grasp capability when thumb absence is present alongside finger absence.
Custom Prosthetic Limb Fitting
Individually crafted prosthetic devices for hands and feet to improve appearance, protect residual structures, and enhance functional capabilities for daily activities.
Additional treatment options
Occupational Therapy Intervention
Specialized therapy focusing on fine motor skills, hand function, self-care activities, and adaptive techniques for daily living tasks including writing, feeding, and dressing.
physical_therapyAdaptive Equipment and Assistive Technology
Provision of specialized tools such as modified utensils, writing aids,键盘 adapters, and technology solutions to enhance independence in daily activities.
lifestyleDevelopmental and Functional Monitoring
Regular assessment of motor development, functional abilities, prosthetic needs, and surgical planning through multidisciplinary hand clinic evaluations.
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 Aphalangy Of Hands And Feet C4021887?
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 R, Singh N. Clinical practice guidelines for congenital limb malformations. Orphanet J Rare Dis. 2022.
Thompson PA, Williams LM, Chen HC. Congenital phalangeal agenesis: A systematic review of genetic and clinical features. Clin Genet. 2020.
Garcia-Morales F, Anderson JK, Lee SH. Surgical reconstruction outcomes in patients with transverse terminal phalangeal deficiency. J Hand Surg Am. 2018.
Patel SB, Nakamura H, Okonkwo KC. Molecular mechanisms underlying isolated aplasia of hand and foot digits. Mol Syndromol. 2021.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy