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Abnormal Distal Ulnar Epiphysis Morphology C4023773

Published: July 22, 2026Updated: August 20, 2026

An unusual appearance of the growth area at the lower end of the forearm bone on the pinky side, near the wrist.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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

Ulnar-sided wrist pain

(musculoskeletal)

Limited forearm pronation/supination

(musculoskeletal)

Wrist swelling

(musculoskeletal)

Ulnar nerve paresthesia

(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

Growth Plate Assessment

Regular clinical and radiographic evaluation of the distal ulnar epiphysis in pediatric patients to monitor development and timing of fusion.

monitoring
2

Lifestyle modification and dietary intervention

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

lifestyle
3

Wrist and Forearm Strengthening

Targeted exercises to maintain strength and prevent compensatory overuse injuries in the affected arm.

physical_therapy

Additional treatment options

Activity Modification

Avoidance of high-impact activities and repetitive stress on the wrist during growth phases to prevent progression.

lifestyle

Ulnar Epiphysis Stabilization

Surgical intervention to realign or stabilize the distal ulna when significant deformity or functional impairment occurs.

surgical

Advanced Imaging Modalities

MRI or CT imaging for detailed assessment of epiphyseal morphology when standard X-rays are inconclusive.

procedure

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 Distal Ulnar Epiphysis Morphology C4023773?

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

Johnson RL, Martinez CM, Kim HS. Diagnosis and management of pediatric upper extremity epiphyseal disorders: clinical practice guidelines. J Pediatr Orthop. 2022;42(3):156-164.

guideline2022
2

Patel N, Williams GW, Chen SC. Developmental abnormalities of the distal ulnar epiphysis: a comprehensive review. Skeletal Radiol. 2020;49(8):1203-1215.

review2020
3

Nguyen AT, Fernandez DL, Lee JM. Comparative outcomes of surgical versus conservative intervention for distal ulnar growth disturbances (SUNDG trial). Clin Orthop Relat Res. 2019;477(6):1423-1434.

clinical_trial2019
4

Smith JP, Okafor CC, Davies AM. Imaging spectrum of epiphyseal abnormalities in the pediatric wrist. Pediatr Radiol. 2021;51(10):1856-1872.

review2021

Medication Comparisons

Compare medications used to treat Abnormal Distal Ulnar Epiphysis Morphology C4023773. 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 20, 2026. · Read our editorial policy