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Insomnia, Sleep Apnea & Sleep Health • ICD-10-CM F51.8

Other sleep disorders 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 F51.8 • 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 sleep disorders 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 sleep disorders not due to a substance or known physiological condition?

For patients presenting with Other sleep disorders not due to a substance or known physiological condition (ICD-10-CM F51.8), Insomnia, Sleep Apnea & Sleep Health protocols prioritize airway pressure or in Other sleep disorders not due to a substance or known physiological condition (F51.8: orexin-targeted therapy evaluation) paired with baseline and interval Nocturnal Oxygen Saturation in Other sleep disorders not due to a substance or known physiological condition (F51.8: (SpO2)) assessment.

Pathophysiology, Underlying Causes & Clinical Presentation

In Other sleep disorders not due to a substance or known physiological condition (F51.8), physiological disruption stems from suprachiasmatic nucleus circadian in Other sleep disorders not due to a substance or known physiological condition (F51.8: phase misalignment), informing Insomnia, Sleep Apnea & Sleep Health protocols that track Serum Ferritin (Restless in Other sleep disorders not due to a substance or known physiological condition (F51.8: Legs)) (> 75 ng/mL (F51.8)).

Common Symptoms & Clinical Signs

  • • Presentation of Other sleep disorders not due to a substance or known physiological condition (F51.8): loud habitual snoring, in Other sleep disorders not due to a substance or known physiological condition (F51.8: witnessed breathing pauses,)
  • • Secondary Other sleep disorders not due to a substance or known physiological condition clinical sign: daytime microsleeps, cognitive in Other sleep disorders not due to a substance or known physiological condition (F51.8: brain fog, or)
  • • Symptom flares in Other sleep disorders not due to a substance or known physiological condition correlating with Nocturnal Oxygen Saturation in Other sleep disorders not due to a substance or known physiological condition (F51.8: (SpO2)) deviation outside >= 94% nadir > 90% (F51.8)
  • • Functional sleep disorders impact requiring airway pressure or in Other sleep disorders not due to a substance or known physiological condition (F51.8: orexin-targeted therapy evaluation) evaluation (F51.8)

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

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code F51.8 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Insomnia, Sleep Apnea & Sleep Health NLM Clinical Tables
Diagnostic / Lab Marker: Nocturnal Oxygen Saturation in Other sleep disorders not due to a substance or known physiological condition (F51.8: (SpO2)) >= 94% nadir > 90% (F51.8) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Ferritin (Restless in Other sleep disorders not due to a substance or known physiological condition (F51.8: Legs)) > 75 ng/mL (F51.8) Clinical Reference Target Range
Diagnostic / Lab Marker: Apnea-Hypopnea Index (AHI) [Other sleep disorders not due to a substance or known physiological condition F51.8] < 5 events/hour (F51.8) Clinical Reference Target Range
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Treatment selection for Other sleep disorders not due to a substance or known physiological condition 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 (Other sleep disorders 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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