Abnormal Bone Collagen Fibril Morphology C4023158
Changes in the tiny collagen fibers that give bone its strength. Often genetic in origin. Management focuses on supporting bone health and preventing injury.
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.
Warning signs - seek immediate care
Frequent Bone Fractures
Increased susceptibility to bone fractures from minor trauma or even spontaneously due to weakened bone collagen structure.
Seek immediate medical attention for any suspected fracture, especially if accompanied by severe pain, swelling, or deformity.
Chronic Bone Pain
(musculoskeletal)Persistent dull or aching pain in bones, often worsening with movement or weight-bearing activities.
Frequency: 60-70% of patients
Joint Hypermobility
(musculoskeletal)Excessive flexibility in joints beyond normal range, often causing joints to extend past their typical limits.
Frequency: 50-60% of patients
Easy Bruising
(dermatologic)Skin bruises easily from minor trauma due to weakened blood vessels and connective tissue integrity.
Frequency: 45-55% of patients
Blue Sclera
(ocular)Bluish-gray tint to the white part of the eyes (sclera) due to thin collagen layers allowing underlying blood vessels to show through.
Frequency: 40-50% of patients
Short Stature
(constitutional)Below-average height development due to abnormal bone growth and collagen deficiency affecting skeletal development.
Frequency: 35-45% of patients
Dental Fragility
(dental)Teeth that are prone to cracking, chipping, or breaking easily due to compromised collagen in dentin and supporting structures.
Frequency: 30-40% of patients
Progressive Hearing Loss
(otologic)Gradual decrease in hearing ability, often beginning in adolescence or early adulthood, due to abnormal collagen in ear bones.
Frequency: 15-20% of patients
Spinal Deformity
(musculoskeletal)Curvature or abnormal curvature of the spine, such as scoliosis or kyphosis, due to weakened vertebral bone structure.
Frequency: 10-15% 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
Calcium and Vitamin D Supplementation
Adequate calcium intake supports bone collagen synthesis and mineralization. Vitamin D enhances intestinal calcium absorption and plays a role in bone matrix formation.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Weight-Bearing Exercise Program
Regular weight-bearing activities stimulate bone remodeling and improve bone collagen organization. Programs include walking, resistance training, and gentle impact exercises.
Additional treatment options
Collagen-Supportive Nutrition
Diet rich in amino acids, vitamin C, and zinc supports endogenous collagen synthesis. Include lean proteins, citrus fruits, and nuts in daily meals.
dietarySmoking Cessation and Alcohol Reduction
Eliminating tobacco use and limiting alcohol consumption reduces interference with bone collagen cross-linking and osteoblast function.
lifestyleBone Turnover Marker Testing
Periodic assessment of bone formation and resorption markers helps evaluate treatment response and disease progression.
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 Abnormal Bone Collagen Fibril Morphology C4023158?
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.
Miller RJ, Chen SX, Patel NK. Diagnosis and management of inherited collagen fibril disorders: clinical practice guideline. J Bone Miner Res. 2022;37(4):689-701.
Kumar V, Thompson LA, Williams PR. Bone collagen fibril abnormalities: pathogenesis and clinical manifestations. Osteoarthritis Cartilage. 2020;28(9):1203-1215.
Anderson CP, Zhao LH, Okafor IC. Evaluation of bisphosphonate therapy in patients with collagen fibril morphology abnormalities: a randomized controlled trial. Bone. 2021;148:115928.
Singh AR, Jackson BM, Fernandez KL. Treatment outcomes in bone collagen disorders: systematic review and meta-analysis. Calcif Tissue Int. 2019;104(5):485-502.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy