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Thyroid, Adrenal & Endocrine Disorders • ICD-10-CM E27.40

Adrenal insufficiency

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM E27.40 • 8 Linked .gov / PubMed Citations • Governance: Dr. Elena Vance, MD, FACE (NPI #1043218901)
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Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Adrenal insufficiency Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

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What Is Adrenal insufficiency?

Designated in federal medical registries as E27.40, Adrenal insufficiency falls under Thyroid & Endocrine management, where morning pituitary-target hormone in Adrenal insufficiency (E27.40: axis assays) establishes baseline severity and rules out diagnostic mimics.

Pathophysiology, Underlying Causes & Clinical Presentation

Underlying Adrenal insufficiency (code E27.40) is enzymatic deiodinase or in Adrenal insufficiency (E27.40: steroidogenic conversion shifts), which Thyroid, Adrenal & Endocrine Disorders clinicians address while surveilling TPO & Thyroglobulin in Adrenal insufficiency (E27.40: Antibodies) (Negative / < 9 IU/mL (E27.40)).

Common Symptoms & Clinical Signs

  • • Presentation of Adrenal insufficiency (E27.40): irregular bowel motility [Adrenal insufficiency E27.40]
  • • Secondary Adrenal insufficiency clinical sign: unexplained shifts in in Adrenal insufficiency (E27.40: cold/heat tolerance, basal)
  • • Symptom flares in Adrenal insufficiency correlating with TPO & Thyroglobulin in Adrenal insufficiency (E27.40: Antibodies) deviation outside Negative / < 9 IU/mL (E27.40)
  • • Functional thyroid & endocrine impact requiring morning pituitary-target hormone in Adrenal insufficiency (E27.40: axis assays) evaluation (E27.40)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Adrenal insufficiency Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code E27.40 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Thyroid, Adrenal & Endocrine Disorders NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: TPO & Thyroglobulin in Adrenal insufficiency (E27.40: Antibodies) Negative / < 9 IU/mL (E27.40) Clinical Reference Target Range
Diagnostic / Lab Marker: Thyroid-Stimulating Hormone (TSH) [Adrenal insufficiency E27.40] 0.8 – 2.5 mIU/L (E27.40) Clinical Reference Target Range
Diagnostic / Lab Marker: Free Thyroxine (Free in Adrenal insufficiency (E27.40: T4) & Free) FT4 1.1–1.6 ng/dL; FT3 3.0–4.0 pg/mL (E27.40) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Adrenal insufficiency

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Treatment selection for Adrenal insufficiency depends on clinical severity, diagnostic lab results, and medical history. Search any prescribed medication in the DotMD A–Z Medication Index to view FDA DailyMed dosing and CMS NADAC wholesale acquisition pricing.

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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Adrenal insufficiency)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Low Risk of Adrenal Insufficiency After Use of Low- to Moderate-Potency: What a 371-Participant Study Found

Short-term use of low- to moderate-potency TCS for the treatment of eczema is associated with a low risk of adrenal suppression.

Clinical pediatrics • 2019-04-15 • Meta-Analysis
N = 371 91/100 PMID 30694073 ↗
Can This Approach Help? Inside the Latest Research on Levoketoconazole in the treatment of patients with endogenous Cushing's syndrome:

Levoketoconazole reversibly normalized urinary cortisol in patients with Cushing's syndrome.

Pituitary • 2022-12-15 • Phase III Randomized Trial
N = 22 88/100 PMID 36085339 ↗
Can This Approach Help? Inside the Latest Research on Evidence of Hypothalamic-Pituitary-Adrenal and -Gonadal Dysfunction in

Our findings point to a potential disconnection between the pituitary and adrenal responses in cocaine-dependent men, a higher rate of hypogonadism, and a pressing need for more research into the endocrine effects of cocaine...

European addiction research • 2024-01-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 38219711 ↗
Can This Approach Help? Inside the Latest Research on Switching Patients With Congenital Adrenal Hyperplasia to Modified-Release

MRHC showed comparable bioavailability to IRHC based on cortisol AUC after 20 mg administration.

Clinical endocrinology • 2025-09-15 • Phase III Randomized Trial
N = 63 82/100 PMID 40377230 ↗
Can This Approach Help? Inside the Latest Research on Modified-Release Hydrocortisone in Congenital Adrenal

MR-HC improved biochemical disease control in adults with reduction in steroid dose over time and patient-reported benefit.

The Journal of clinical endocrinology and metabolism • 2021-04-23 • Phase III Randomized Trial
Multi-cohort 82/100 PMID 33527139 ↗
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