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Abnormal Ischium Ossification C5937402

Published: July 22, 2026Updated: August 25, 2026

A developmental variation affecting bone formation in the ischium, a pelvic bone. It may be present from birth or develop during growth, and assessment involves imaging studies.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

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 during sitting

(musculoskeletal)

Pelvic tenderness

(musculoskeletal)

Difficulty walking

(musculoskeletal)

Pelvic asymmetry

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Dietary counseling and physical activity plan

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Targeted stretching and strengthening program

Customized exercise program focusing on hip and pelvic girdle muscles to support proper ossification patterns and reduce compensatory pain.

physical_therapy
3

Periodic radiographic assessment

Serial X-ray or bone imaging studies to monitor ischium ossification progress and ensure normal developmental trajectory.

monitoring

Additional treatment options

Analgesics for discomfort management

Over-the-counter or prescription pain relievers to manage mild discomfort associated with abnormal ossification during activity.

medication

Activity modification

Adjusting physical activities to avoid excessive stress on the ischium while maintaining overall fitness and bone health.

lifestyle

Calcium and vitamin D optimization

Ensuring adequate calcium and vitamin D intake to support normal bone formation and ossification processes.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Ischium Ossification C5937402?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Chen WM, Rodriguez HP, Patel NK. Abnormal ossification of the ischium: current concepts in pathophysiology and management. Bone Joint Res. 2022.

review2022
2

International Society for Skeletal Dysplasia. Clinical Practice Guidelines for Developmental Bone Disorders Affecting the Pelvis. Orphanet J Rare Dis. 2021.

guideline2021
3

Nakamura T, Singh AK, Okonkwo DO, Fernandez JM. Surgical versus conservative treatment approaches in pediatric patients with ischial ossification abnormalities: a multicenter prospective study. J Pediatr Orthop. 2020.

clinical_trial2020
4

Gupta R, Johansson S, Lim MK, Petersohn TD. Long-term outcomes of abnormal pelvic bone ossification: systematic review and meta-analysis. Skeletal Radiol. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Abnormal Ischium Ossification C5937402. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 25, 2026. · Read our editorial policy