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Anxiety, OCD & Trauma Disorders • ICD-10-CM R45.851

Suicide

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM R45.851 • 8 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

Suicide 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 Suicide?

What is suicide? Suicide is the taking of one's own life. It is a death that happens when someone harms themselves because they want to end their life. A suicide attempt is when someone harms themselves to try to end their life, but they do not die. Suicide is a major public health problem and a leading cause of death in the United States. Both suicide and suicide attempts can have lasting harmful effects: People who survive a suicide attempt may have serious injuries that can affect their long-term health. They may also have depression or other mental health concerns. When people die by suicide, it affects their family, friends, and community.

Pathophysiology, Underlying Causes & Clinical Presentation

Mechanistic hallmarks of Suicide (R45.851) center on reduced ventromedial prefrontal in Suicide (R45.851: inhibitory tone). Cross-referenced with NIH MeSH (Suicide, Suicidal Ideation), targeted anxiety & ptsd interventions aim to normalize TSH & Ferritin in Suicide (R45.851: Rule-Out).

Common Symptoms & Clinical Signs

  • • Having attempted suicide before
  • • Depression and other mental health disorders
  • • Presentation of Suicide (R45.851): chronic neck, jaw, in Suicide (R45.851: and shoulder muscle)
  • • Secondary Suicide clinical sign: avoidance of triggers, in Suicide (R45.851: intrusive trauma memories,)

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

Suicide Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code R45.851 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Anxiety, OCD & Trauma Disorders NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: TSH & Ferritin in Suicide (R45.851: Rule-Out) TSH 0.8–2.5 mIU/L; Ferritin > 50 ng/mL (R45.851) Clinical Reference Target Range
Diagnostic / Lab Marker: GAD-7 Anxiety Severity in Suicide (R45.851: Score) < 4 (minimal anxiety) (R45.851) Clinical Reference Target Range
Diagnostic / Lab Marker: Resting Heart Rate in Suicide (R45.851: Variability (HRV)) Stable upward personal trend (R45.851) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Suicide

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Treatment selection for Suicide 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.

Dr. Lin (AI PubMed Clinical Trial Lead)

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

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Association of 5α-Reductase Inhibitors with Depression and Suicide: A Mini: What a 2,213,600-Participant Study Found

PATIENT SUMMARY: We reviewed study data for more than two million patients taking drugs called 5α-reductase inhibitors (5-ARIs), which are widely prescribed for urinary problems caused by benign prostate enlargement and for...

European urology focus • 2024-09-15 • Meta-Analysis
N = 2,213,600 94/100 PMID 38692949 ↗
New Insights on Suicidal thinking and behavior during treatment with sertraline in late-life: What a 747-Participant Study Found

Sertraline was associated with significantly lower HAMD Item 3 scores than placebo during treatment.

The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry • 2007-07-15 • Randomized Controlled Trial
N = 747 93/100 PMID 17586782 ↗
New Insights on Esketamine Nasal Spray for Rapid Reduction of Depressive Symptoms in Patients: What a 230-Participant Study Found

This study confirmed rapid and robust reduction of depressive symptoms with esketamine nasal spray in severely ill patients with MDD who have active suicidal ideation with intent.

The international journal of neuropsychopharmacology • 2021-01-20 • Phase III Randomized Trial
N = 230 88/100 PMID 32861217 ↗
Can This Approach Help? Inside the Latest Research on A phase 3, randomized, compared against a dummy pill (placebo), trial to evaluate

Time since trauma exposure was a discriminator of CAPS-5 treatment response in the subgroup ≤ 9 years since the index event.

Psychiatry research • 2024-04-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 38350291 ↗
Can This Approach Help? Inside the Latest Research on Anxiety on suicidal ideation: exploratory analysis of a paroxetine versus

Patients with high baseline anxiety showed a trend toward faster reduction of suicidal ideation with paroxetine compared with bupropion treatment (standard P=0.047; bootstrap P=0.077).

International clinical psychopharmacology • 2018-09-15 • Randomized Controlled Trial
N = 36 88/100 PMID 29864037 ↗
Zero-PHI Patient Support & Cohort Discussions

Suicide Patient Community & “People Like Me” Threads

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