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Insomnia, Sleep Apnea & Sleep Health • ICD-10-CM F51.09

Other insomnia not due to a substance or known physiological condition

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM F51.09 • 7 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
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

Other insomnia not due to a substance or known physiological condition Key Takeaways

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

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Other insomnia not due to a substance or known physiological condition?

Clinical triage of Other insomnia not due to a substance or known physiological condition (F51.09) in Sleep Disorders relies on airway pressure or in Other insomnia not due to a substance or known physiological condition (F51.09: orexin-targeted therapy evaluation), guiding step-wise therapeutic adjustments toward Apnea-Hypopnea Index (AHI) [Other insomnia not due to a substance or known physiological condition F51.09] (< 5 events/hour (F51.09)).

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in sleep disorders, Other insomnia not due to a substance or known physiological condition (F51.09) involves fragmented slow-wave/REM sleep in Other insomnia not due to a substance or known physiological condition (F51.09: architecture). progression correlates with shifts in Serum Ferritin (Restless in Other insomnia not due to a substance or known physiological condition (F51.09: Legs)) (> 75 ng/mL (F51.09)).

Common Symptoms & Clinical Signs

  • • Presentation of Other insomnia not due to a substance or known physiological condition (F51.09): daytime microsleeps, cognitive in Other insomnia not due to a substance or known physiological condition (F51.09: brain fog, or)
  • • Secondary Other insomnia not due to a substance or known physiological condition clinical sign: prolonged sleep-onset latency [Other insomnia not due to a substance or known physiological condition F51.09]
  • • Symptom flares in Other insomnia not due to a substance or known physiological condition correlating with Serum Ferritin (Restless in Other insomnia not due to a substance or known physiological condition (F51.09: Legs)) deviation outside > 75 ng/mL (F51.09)
  • • Functional sleep disorders impact requiring airway pressure or in Other insomnia not due to a substance or known physiological condition (F51.09: orexin-targeted therapy evaluation) evaluation (F51.09)

Other insomnia not due to a substance or known physiological condition Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code F51.09 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Insomnia, Sleep Apnea & Sleep Health NLM Clinical Tables
Diagnostic / Lab Marker: Serum Ferritin (Restless in Other insomnia not due to a substance or known physiological condition (F51.09: Legs)) > 75 ng/mL (F51.09) Clinical Reference Target Range
Diagnostic / Lab Marker: Apnea-Hypopnea Index (AHI) [Other insomnia not due to a substance or known physiological condition F51.09] < 5 events/hour (F51.09) Clinical Reference Target Range
Diagnostic / Lab Marker: Insomnia Severity Index in Other insomnia not due to a substance or known physiological condition (F51.09: (ISI)) < 7 (F51.09) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Other insomnia not due to a substance or known physiological condition

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Hydroxocobalamin Cyanokit • RxCUI 700496 Antidote 89% $0.8144 $ 41.48 /mo
Nalmefene Hydrochloride Zurnai, Opvee • RxCUI 2720806 Opioid Antagonist 79% $46.7362 $ 185.00 /mo
Naloxone HCl Kloxxado, Rezenopy • RxCUI 2540703 Opioid Antagonist 92% $59.7104 $ 61.36 /mo
Akynzeo (Netupitant and Palonosetron) Akynzeo • RxCUI 1552349 Substance P/Neurokinin-1 Receptor Antagonist 82% $3.4500 $ 256.90 /mo
Cinvanti (Aprepitant) Cinvanti • RxCUI 1995155 Substance P/Neurokinin-1 Receptor Antagonist 83% $164.4293 $ 640.00 /mo
Fosnetupitant and Palonosetron Akynzeo • RxCUI RXN-69639105-3118 Substance P/Neurokinin-1 Receptor Antagonist 90% $3.0900 $ 133.64 /mo
Emend (Aprepitant) Emend • RxCUI 644088-B00060464 Substance P/Neurokinin-1 Receptor Antagonist 76% $208.9830 $ 599.92 /mo
Focinvez (Fosaprepitant Dimeglumine) Focinvez • RxCUI RXN-B82449231 Substance P/Neurokinin-1 Receptor Antagonist 80% $3.0000 $ 224.50 /mo
Varubi (Rolapitant) Varubi • RxCUI 1673373 Substance P/Neurokinin-1 Receptor Antagonist 92% $0.5900 $ 50.98 /mo
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Other insomnia not due to a substance or known physiological condition)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Valsartan vs. other angiotensin II receptor blockers in the treatment of high: What a 13,110-Participant Study Found

Valsartan administered at 160 or 320 mg is more effective at lowering BP than losartan 100 mg and shows comparable efficacy to other ARBs in patients with essential high blood pressure.

International journal of clinical practice • 2009-05-15 • Meta-Analysis
N = 13,110 99/100 PMID 19392925 ↗
New Insights on Efficacy comparison of monotherapies and combination therapies for androgenetic: What a 3,133-Participant Study Found

In recent years, combination therapies are showing significant promise as potential therapies.

Dermatologic therapy • 2022-03-15 • Meta-Analysis
N = 3,133 99/100 PMID 34897933 ↗
New Insights on Combination Therapy in Androgenetic hair loss: A Network Meta-Analysis of: What a 3,012-Participant Study Found

Based on the current studies, we found that the combination of Minoxidil with spironolactone, PRPF, flutamide, and finasteride may offer better treatment outcomes for patients with androgenetic hair loss.

Aesthetic plastic surgery • 2026-07-15 • Meta-Analysis
N = 3,012 99/100 PMID 42168420 ↗
New Insights on Safety profile of telmisartan as single-drug treatment or combined with: What a 8,023-Participant Study Found

The consolidated data show that telmisartan +/- HCTZ are well tolerated in patients of all ages and have placebo-like tolerabilities.

Blood pressure. Supplement • 2008-06-15 • Randomized Controlled Trial
N = 8,023 96/100 PMID 18705533 ↗
New Insights on Telmisartan and amlodipine single-pill combinations vs amlodipine single-drug: What a 1,097-Participant Study Found

Superior BP reductions were also seen with T40-T80/A5 vs A10, with BP goal rates at least as high as with A10; however, there was significantly more peripheral edema with A10 (27.2% vs 4.3% for pooled.

Journal of clinical hypertension (Greenwich, Conn.) • 2011-07-15 • Randomized Controlled Trial
N = 1,097 96/100 PMID 21762357 ↗
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