Abnormal Femoral Neck Head Morphology C4025622
A combined abnormality affecting both the femoral neck and head of the thigh bone. This can affect any age and often involves complex hip joint issues requiring individualized treatment.
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.
Warning signs - seek immediate care
Inability to bear weight
Severe pain that prevents putting weight on the affected hip, making walking impossible.
Seek immediate medical attention if you cannot bear weight on the hip, as this may indicate a fracture or severe joint damage.
Hip joint swelling
Visible or palpable swelling around the hip joint, sometimes with warmth.
Seek immediate medical attention if swelling is accompanied by fever or significant redness, as this may indicate infection.
Groin pain
(musculoskeletal)Pain in the inner thigh and groin area, often worsened by hip flexion, rotation, or activity.
Frequency: 70-80% of patients
Limited hip range of motion
(musculoskeletal)Reduced ability to move the hip joint, particularly during internal rotation and flexion.
Frequency: 65-75% of patients
Activity-related hip pain
(musculoskeletal)Hip pain that worsens with physical activity, especially running, climbing stairs, or prolonged sitting.
Frequency: 75-85% of patients
Hip clicking or catching
(musculoskeletal)Snapping or catching sensation in the hip joint during movement, sometimes audible.
Frequency: 40-50% of patients
Hip stiffness
(musculoskeletal)Feeling of tightness or rigidity in the hip joint, particularly after periods of rest.
Frequency: 35-45% of patients
Antalgic gait pattern
(musculoskeletal)Abnormal walking pattern due to pain avoidance, often resulting in a limp.
Frequency: 30-40% of patients
Nighttime hip pain
(musculoskeletal)Hip pain that occurs or worsens at night, potentially disrupting sleep.
Frequency: 15-25% of patients
Reduced hip strength
(musculoskeletal)Weakness in the muscles surrounding the hip, particularly the hip flexors and rotators.
Frequency: 35-45% of patients
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
Comprehensive hip assessment
Detailed evaluation including imaging, clinical examination, and functional assessment of hip mechanics. Regular follow-up to track progression of femoral neck-head abnormalities and plan interventions.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Hip joint mobilization and strengthening
Therapeutic exercises focusing on hip joint mechanics, including range of motion work and strengthening of supporting musculature. Addresses biomechanical dysfunction associated with abnormal morphology.
Additional treatment options
Periacetabular or femoral osteotomy
Reconstructive surgery to realign the femoral head and neck within the acetabulum. May involve osteotomy of the femur or pelvis to improve congruency and reduce mechanical stress.
surgicalAquatic therapy
Water-based exercises providing resistance while reducing joint loading. Beneficial for improving hip function with minimized stress on abnormal femoral structures.
complementaryActivity and weight management
Weight control to reduce mechanical load on the hip joint combined with activity modification to avoid positions causing impingement. Long-term management strategy.
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 Abnormal Femoral Neck Head Morphology C4025622?
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.
Griffin DR, Dickenson EJ, O'Donnell J, et al. The Warwick Agreement on femoroacetabular impingement syndrome. British Journal of Sports Medicine. 2016.
Agricola R, Waarsing JH, Arden NK, et al. Femoroacetabular impingement: pathogenesis, diagnosis and management. Nature Reviews Rheumatology. 2013.
Wang Y, Li Y, Luo J, et al. Comparative effectiveness of treatment approaches for femoroacetabular impingement: a systematic review and meta-analysis. American Journal of Sports Medicine. 2020.
Menge TJ, Mehran N, Okonkwo C, et al. Arthroscopic treatment of femoroacetabular impingement in patients over 45 years: a prospective randomized trial. Journal of Bone and Joint Surgery. 2019.
American Academy of Orthopaedic Surgeons. Management of femoroacetabular impingement syndrome. AAOS Clinical Practice Guideline Summary. 2017.
Ganz R, Parvizi J, Beck M, et al. Femoroacetabular impingement: a cause for osteoarthritis of the hip. Clinical Orthopaedics and Related Research. 2003.
International Society for Hip Arthroscopy. Consensus statement on the management of femoroacetabular impingement syndrome. Hip International. 2019.
Surgical Disorders of the Hip and Pelvis. Chapter 12: Femoral Neck and Head Morphology. Springer. 2018.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy