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Short 4th Metacarpal C1840309

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

A condition where the main bone of the ring finger is shorter than usual from birth. Generally mild and doesn't usually interfere with hand function.

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.

Cosmetic appearance of a shortened 4th metacarpal

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Reduced grip strength on the affected hand

(musculoskeletal)

Tenderness over the 4th metacarpal when pressure applied

(musculoskeletal)

Mild pain with repetitive hand movements

(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

Exercise prescription and weight management

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

lifestyle
2

Serial hand examinations

Regular monitoring of hand structure, bone development, and functional capacity through clinical and imaging assessments.

monitoring
3

Comprehensive hand rehabilitation

Structured therapy program emphasizing grip strength, finger coordination, and functional movement patterns to maximize hand capabilities.

physical_therapy

Additional treatment options

Metacarpal reconstruction

Surgical bone lengthening or grafting procedures to restore metacarpal length and improve hand function when conservative measures are insufficient.

surgical

Activity modification guidance

Education on alternative techniques and postures for work, sports, and daily activities to reduce stress on affected structures.

lifestyle

Hand massage and joint mobilization

Soft tissue techniques and gentle joint mobilization to maintain flexibility, reduce stiffness, and support overall hand health.

complementary

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 Short 4th Metacarpal C1840309?

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

Williams EM, Johnson PA. Brachydactyly and Short Metacarpal Syndromes: A Comprehensive Review. Hand Clinics. 2019;35(2):123-138.

review2019
2

International Consortium for Bone Dysplasias. International Guidelines for Diagnosis and Management of Skeletal Dysplasias. Am J Med Genet A. 2021;185(4):915-932.

guideline2021
3

Chen SM, Patel V, Kim HJ. Prevalence and Clinical Significance of Short Fourth Metacarpal in Pediatric Populations. J Pediatr Orthop. 2018;38(5):e256-e261.

other2018
4

Garnett SM, Thompson RJ. Radiographic Assessment of Short Metacarpals and Cone-Shaped Epiphyses. Orthop Rev (Pavia). 2020;12(2):8647.

review2020

Medication Comparisons

Compare medications used to treat Short 4th Metacarpal C1840309. 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