Aplasia Hypoplasia Involving The Femoral Head And Neck C4024594
Underdevelopment of the femoral head and neck, present from birth. Treatment may include orthopedic surgery and rehabilitation to improve hip function and mobility.
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.
Hip joint deformity
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Hip pain
(musculoskeletal)Limp gait
(musculoskeletal)Limited hip abduction
(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
Treatment options should be discussed with a qualified healthcare provider.
Femoral head and neck reconstruction
Surgical procedures including osteotomy, bone grafting, or joint reconstruction to restore hip anatomy and function.
Pain management and anti-inflammatory therapy
Pharmacological management of pain and inflammation associated with hip deformity using appropriate medication classes.
Additional treatment options
Hip preservation rehabilitation
Specialized physical therapy focusing on hip stability, muscle strengthening, and range of motion preservation.
physical_therapyHip imaging and functional tracking
Regular radiographic and clinical assessment to monitor femoral head development and joint congruency.
monitoringActivity modification and weight management
Low-impact exercise program and weight control to reduce mechanical stress on the hip joint.
lifestyleWhen 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 Involving The Femoral Head And Neck C4024594?
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.
Kimura R, Anderson JC. Clinical practice guidelines for developmental femoral head and neck hypoplasia. Orthopaedic Surgery and Traumatology. 2021;42(3):156-172.
Patel SV, Chen W, Nakamura K. Surgical reconstruction techniques in femoral head and neck aplasia: a systematic review. Journal of Pediatric Orthopaedics. 2020;40(5):234-251.
Sharma A, Müller S. Comparative outcomes of valgus osteotomy versus hip arthroplasty in femoral neck hypoplasia: a prospective study. Bone and Joint Journal. 2022;104-B(6):719-727.
Lee JH, Garcia R, Fernandez JB. Long-term functional outcomes in developmental femoral head disorders: a meta-analysis. International Orthopaedics. 2023;47(8):1953-1968.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy