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Living with Congenital absence of both forearm and hand

A rare limb condition present from birth in which the forearm, wrist and hand did not form on one or both sides.

Understanding Congenital absence of both forearm and hand

Congenital absence of both forearm and hand is a rare condition in which the arm stopped developing before the forearm, wrist and hand formed.

It can affect one or both arms. The most common finding is a short below-the-elbow limb, usually well cushioned, sometimes with small nubbins at the end.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. The summary describes:

  • Missing forearm, wrist and hand
  • Short limb ending below the elbow
  • Small nubbins at the end of the limb, sometimes

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include bone and joint specialists and genetic specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which prosthetic or therapy options are available?
Which specialists should be on our care team?
Is genetic testing helpful for our family?

Quick facts

GARD says changes in genes cause this condition, but doesn't list a specific gene or inheritance pattern.

Genetic

Also known as: congenital absence of forearm and hand; radio-ulnar terminal transverse meromelia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Congenital absence of both forearm and handGARD ID 21194 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Congenital absence of both forearm and hand.

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