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Alzheimer, Dementia & Memory Health • ICD-10-CM G31.82

Leigh's disease

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM G31.82 • 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

Leigh's disease Key Takeaways

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

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What Is Leigh's disease?

Leigh's disease is an ICD-10-CM indexed diagnosis (G31.82) within Alzheimer, Dementia & Memory Health. Clinical evaluation centers on hearing/vision optimization [Leigh's disease G31.82] alongside serial MoCA Cognitive Screening in Leigh's disease (G31.82: Score) tracking (>= 26 / 30 (G31.82)) to guide individualized care.

Pathophysiology, Underlying Causes & Clinical Presentation

Tissue-level etiology in Leigh's disease (G31.82) features hippocampal [Leigh's disease G31.82]. therapeutic stabilization in memory & cognition is verified against Homocysteine & Vitamin in Leigh's disease (G31.82: B12).

Common Symptoms & Clinical Signs

  • • Presentation of Leigh's disease (G31.82): subtle personality shifts, in Leigh's disease (G31.82: apathy, or evening)
  • • Secondary Leigh's disease clinical sign: slowed processing speed in Leigh's disease (G31.82: compared with prior)
  • • Symptom flares in Leigh's disease correlating with MoCA Cognitive Screening in Leigh's disease (G31.82: Score) deviation outside >= 26 / 30 (G31.82)
  • • Functional memory & cognition impact requiring hearing/vision optimization [Leigh's disease G31.82] evaluation (G31.82)

Leigh's disease Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code G31.82 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Alzheimer, Dementia & Memory Health NLM Clinical Tables
Diagnostic / Lab Marker: MoCA Cognitive Screening in Leigh's disease (G31.82: Score) >= 26 / 30 (G31.82) Clinical Reference Target Range
Diagnostic / Lab Marker: Homocysteine & Vitamin in Leigh's disease (G31.82: B12) Homocysteine < 9 umol/L; B12 > 500 pg/mL (G31.82) Clinical Reference Target Range
Diagnostic / Lab Marker: TSH & Fasting in Leigh's disease (G31.82: ApoB / HbA1c) Optimal cardiometabolic neuroprotection (G31.82) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Leigh's disease

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Treatment selection for Leigh's disease 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 (Leigh's disease)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Lecanemab Clarity AD: Quality-of-Life Results from a Randomized, gold-standard: What a 1,795-Participant Study Found

Lecanemab was associated with a relative preservation of HRQoL and less increase in caregiver burden, with consistent benefits seen across different quality of life scales and within scale subdomains.

The journal of prevention of Alzheimer's disease • 2023-01-15 • Phase III Randomized Trial
N = 1,795 96/100 PMID 37874099 ↗
New Insights on Cognitive effects of estradiol after menopause: A randomized trial of the timing: What a 567-Participant Study Found

Estradiol initiated within 6 years of menopause does not affect verbal memory, executive functions, or global cognition differently than therapy begun 10+ years after menopause.

Neurology • 2016-08-16 • Randomized Controlled Trial
N = 567 93/100 PMID 27421538 ↗
Can This Approach Help? Inside the Latest Research on Long-term safety of gantenerumab in participants with Alzheimer's disease: A

SC gantenerumab at doses of up to 1200 mg Q4W was well tolerated with no unexpected safety findings in participants with prodromal Alzheimer's disease.

Journal of Alzheimer's disease : JAD • 2025-01-15 • Phase III Randomized Trial
N = 154 88/100 PMID 39686620 ↗
Can This Approach Help? Inside the Latest Research on Human memory T cell dynamics after aluminum-adjuvanted inactivated whole-virion

Especially on day 120, PD-1 was upregulated on CD4 + T EMRA and T CM , and on CD8 + T EM and T CM cells; accordingly, proliferation and IFN-γ secretion capacities tended to decline after 4 months.

Scientific reports • 2023-03-21 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 36944716 ↗
Can This Approach Help? Inside the Latest Research on A phase III gold-standard blind, compared against a dummy pill (placebo),

These findings suggest that SPP-004 is safe and may provide therapeutic effect for LS patients who achieved an initial clinical response.

PloS one • 2026-01-15 • Phase III Randomized Trial
N = 54 88/100 PMID 42467686 ↗
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