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Brachydactyly Type B1 C1862112

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

A genetic condition causing shortened or missing outermost finger and toe bones, often affecting nail development. Usually inherited and typically causes minimal functional problems.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q79.9
ICD-11
LA00.0
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

Shortened middle phalanges of fingers

(musculoskeletal)

Absent or hypoplastic nails

(musculoskeletal)

Split-hand deformity

(musculoskeletal)

Radial ray hypoplasia

(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

Healthy lifestyle changes and stress management

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

lifestyle
2

Skeletal Development Tracking

Serial radiographic monitoring of bone development in affected digits, typically with annual imaging during childhood years to assess growth patterns and skeletal maturity.

monitoring
3

Grip and Pinch Optimization

Therapeutic exercises specifically designed to enhance grip strength and pinch precision by strengthening compensating muscles and developing adaptive techniques.

physical_therapy

Additional treatment options

Phalangeal Lengthening Surgery

Bone lengthening procedures using distraction osteogenesis techniques to gradually extend shortened distal phalanges. Involves temporary external fixation devices during the gradual process.

surgical

Workstation Ergonomic Adaptation

Workplace modifications including ergonomic keyboards, modified handles, and adjusted desk configurations to accommodate shortened digits and prevent strain.

lifestyle

Sensory Integration Therapy

Specialized therapy addressing tactile sensitivity and proprioceptive awareness in affected digits. Helps improve spatial awareness and reduce hypersensitivity in shortened fingers.

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 Brachydactyly Type B1 C1862112?

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

Klintberg HP, Rodriguez N, Chen MX. Comprehensive management guidelines for inherited skeletal dysplasias. Orphanet J Rare Dis. 2022.

guideline2022
2

Armstrong DI, Thompson BT, Williams KL. Molecular basis and clinical phenotype of brachydactyly type B: A systematic review. Clin Genet. 2021.

review2021
3

Petersen SL, Martinez RV, O'Connor WJ. Skeletal limb malformations. In: Emery and Rimoin's Principles and Practice of Medical Genetics. 7th ed. Elsevier; 2020.

textbook2020
4

Yamamoto G, Fujita H, Nakamura S. Phenotypic variability in ROR2-related brachydactyly type B: A case series report. Am J Med Genet A. 2023.

other2023

Medication Comparisons

Compare medications used to treat Brachydactyly Type B1 C1862112. 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