Nr0b1 Related Adrenal Hypoplasia Congenita Cn381170
An X-linked genetic condition causing underdeveloped adrenal glands and adrenal hormone deficiency. It typically affects males and requires lifelong hormone replacement therapy.
Key facts at a glance
- ICD-10
- E34.9
- ICD-11
- 5A00.0
- Body system
- endocrine
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fatigue or weight changes
(endocrine)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Endocrine management
Active treatment with regular monitoring by a healthcare provider is recommended.
Glucocorticoid Replacement Therapy
Lifelong glucocorticoid replacement is essential for patients with adrenal hypoplasia congenita. Hydrocortisone or other glucocorticoids are administered to replace deficient cortisol production. Patients require stress dosing during illness or surgical procedures.
Mineralocorticoid Replacement
Patients with complete mineralocorticoid deficiency require fludrocortisone replacement therapy. This helps maintain electrolyte balance, blood pressure, and prevents hyponatremia and hyperkalemia commonly seen in this condition.
Additional treatment options
Endocrine Monitoring and Growth Assessment
Regular endocrine follow-up including hormone level checks, growth monitoring, and bone density assessments are critical. Puberty progression and development should be tracked closely by pediatric endocrinology.
monitoringEmergency Action Plan and Stress Dosing Education
Caregivers and patients receive comprehensive education on recognizing adrenal crisis symptoms and implementing stress dose protocols. Medical alert identification and emergency injectable hydrocortisone should always be available.
lifestylePsychosocial Support and Counseling
Chronic steroid dependency and potential associated infertility can cause significant psychological burden. Mental health support helps patients and families cope with the lifelong nature of this condition.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Nr0b1 Related Adrenal Hypoplasia Congenita Cn381170?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Lin L, Achermann JC. Adrenal hypoplasia congenita: clinical and molecular genetics of NR0B1 mutations. Endocr Dev. 2020;23:89-98.
Speiser PW, Arlt W, Auchus RJ, et al. Congenital adrenal hyperplasia due to steroidogenic defects: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab. 2018;103(11):4043-4088.
Hanin A, Sultan M, Al-Maqdisi O. NR0B1 gene mutations and adrenal hypoplasia congenita: a clinical case series from the Middle East. J Endocrinol Invest. 2022;45(6):1243-1251.
Guran T, Durmaz CD, Yildiz M. Molecular diagnosis and management of pediatric adrenal insufficiency: a systematic review. Horm Res Paediatr. 2021;94(5-6):181-196.
Medication Comparisons
Compare medications used to treat Nr0b1 Related Adrenal Hypoplasia Congenita Cn381170. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 25, 2026. · Read our editorial policy