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Living with Congenital isolated adrenocorticotropic hormone deficiency

A condition from birth in which the pituitary gland makes little or no ACTH, which leaves the adrenal glands underactive.

Understanding Congenital isolated adrenocorticotropic hormone deficiency

Congenital isolated adrenocorticotropic hormone (ACTH) deficiency is a type of hypopituitarism in which the pituitary makes little or no ACTH.

ACTH tells the adrenal glands to make cortisol, so low ACTH leads to low cortisol. It is seen in newborns.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Low cortisol (adrenal insufficiency)
  • Tiredness (fatigue)
  • Low blood pressure
  • Long-lasting jaundice in newborns
  • Small adrenal glands

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 genetic specialists and hormone specialists.

  3. Consider genetic testing

    Changes in TBX19 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    Raymond A. Wood Foundation and Pituitary Network Association may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Hormone specialists (endocrinologists)
Expert care
Expert lists: Raymond A. Wood Foundation, Pituitary Network Association
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 Raymond A. Wood Foundation and other patient organizations
  • 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
Should we have genetic testing for the TBX19 gene?
What hormone replacement is needed?
How should we plan for illness or stress days?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive
GenesTBX19

Changes in the TBX19 gene are listed. It is autosomal recessive, so a child inherits a changed copy from each parent.

GeneticEndocrine

Also known as: acth deficiency; acth deficiency, isolated; adrenocorticotropic hormone (acth) deficiency; adrenocorticotropic hormone deficiency; congenital isolated acth deficiency; congenital isolated adrenocorticotropic hormone deficiency (disease)

Patient organizations

Source: NIH GARD · Congenital isolated adrenocorticotropic hormone deficiencyGARD ID 5727 · 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 isolated adrenocorticotropic hormone deficiency.

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