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Insomnia, Sleep Apnea & Sleep Health • ICD-10-CM G47.50

Parasomnia

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM G47.50 • 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

Parasomnia Key Takeaways

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

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What Is Parasomnia?

Parasomnia is an ICD-10-CM indexed diagnosis (G47.50) within Insomnia, Sleep Apnea & Sleep Health. Clinical evaluation centers on 2-week sleep diary/actigraphy [Parasomnia G47.50] alongside serial Apnea-Hypopnea Index (AHI) [Parasomnia G47.50] tracking (< 5 events/hour (G47.50)) to guide individualized care.

Pathophysiology, Underlying Causes & Clinical Presentation

Tissue-level etiology in Parasomnia (G47.50) features or upper-airway pharyngeal in Parasomnia (G47.50: collapse during REM). therapeutic stabilization in sleep disorders is verified against Insomnia Severity Index in Parasomnia (G47.50: (ISI)).

Common Symptoms & Clinical Signs

  • • Presentation of Parasomnia (G47.50): prolonged sleep-onset latency [Parasomnia G47.50]
  • • Secondary Parasomnia clinical sign: unrefreshing morning waking in Parasomnia (G47.50: despite adequate hours)
  • • Symptom flares in Parasomnia correlating with Apnea-Hypopnea Index (AHI) [Parasomnia G47.50] deviation outside < 5 events/hour (G47.50)
  • • Functional sleep disorders impact requiring 2-week sleep diary/actigraphy [Parasomnia G47.50] evaluation (G47.50)

Parasomnia Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code G47.50 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Insomnia, Sleep Apnea & Sleep Health NLM Clinical Tables
Diagnostic / Lab Marker: Apnea-Hypopnea Index (AHI) [Parasomnia G47.50] < 5 events/hour (G47.50) Clinical Reference Target Range
Diagnostic / Lab Marker: Insomnia Severity Index in Parasomnia (G47.50: (ISI)) < 7 (G47.50) Clinical Reference Target Range
Diagnostic / Lab Marker: Nocturnal Oxygen Saturation in Parasomnia (G47.50: (SpO2)) >= 94% nadir > 90% (G47.50) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Parasomnia

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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Parasomnia)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
Can This Approach Help? Inside the Latest Research on Defining a Clinically Meaningful Within-Person Change Threshold for the

Improvements in attention with oveporexton in people with NT1 were found to be clinically meaningful, with improvement of ≥ - 2 PVT lapses significantly more likely to occur with oveporexton versus placebo.

Therapeutic innovation & regulatory science • 2026-11-15 • Phase III Randomized Trial
N = 166 88/100 PMID 42573945 ↗
Can This Approach Help? Inside the Latest Research on Effect of lemborexant on sleep parameters and architecture in adult and older

These results, in combination with previously reported breathing safety data, suggest that LEM may be an trouble sleeping treatment option for patients with untreated OSA.

Sleep medicine • 2025-10-15 • Randomized Controlled Trial
N = 39 88/100 PMID 40848323 ↗
Can This Approach Help? Inside the Latest Research on A mandibular advancement device on corticomotor plasticity in patients with

Excitability of the masseter and tongue motor pathways is, at least transiently, increased in patients with OSA following a short-term use of MAD.

Journal of oral rehabilitation • 2024-12-15 • Randomized Controlled Trial
N = 28 88/100 PMID 39305048 ↗
Can This Approach Help? Inside the Latest Research on Intranasal hypocretin-1 (orexin A) on sleep in narcolepsy with

In this pilot study we found, first, evidence that the intranasal administration of hcrt-1 has functional effects on sleep in narcolepsy with cataplexy.

Sleep medicine • 2011-12-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 22036605 ↗
What the Latest Evidence Really Says About Correlation between obstructive sleep apnea syndrome and kidney

Eight articles have been included to determine the correlation between obstructive sleep apnea syndrome and kidney injury, and it has been found that obstructive sleep apnea syndrome is closely related to kidney injury, and...

International urology and nephrology • 2025-01-15 • Meta-Analysis
Multi-cohort 86/100 PMID 39048772 ↗
Zero-PHI Patient Support & Cohort Discussions

Parasomnia Patient Community & “People Like Me” Threads

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