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Osteoarthritis, Gout & Joint Pain • ICD-10-CM S89.90XA

Leg Injuries and Disorders

Also known as: Thighs, Femurs, Femoral, Trauma, Pain

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM S89.90XA • 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

Leg Injuries and Disorders 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 Leg Injuries and Disorders?

Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains , joint dislocations , and fractures (broken bones). These injuries can affect the entire leg, or just the foot , ankle , knee , or hip . Certain diseases also lead to leg problems. For example, knee osteoarthritis, common in older people, can cause pain and limited motion. Problems in your veins in your legs can lead to varicose veins or deep vein thrombosis .

Pathophysiology, Underlying Causes & Clinical Presentation

Mechanistic hallmarks of Leg Injuries and Disorders (S89.90XA) center on monosodium urate or in Leg Injuries and Disorders (S89.90XA: calcium pyrophosphate crystal). Cross-referenced with NIH MeSH (Leg Injuries, Femoral Fractures), targeted arthritis & joints interventions aim to normalize Serum Uric Acid in Leg Injuries and Disorders (S89.90XA: (Gout Target)).

Common Symptoms & Clinical Signs

  • • Presentation of Leg Injuries and Disorders (S89.90XA): localized tendon or in Leg Injuries and Disorders (S89.90XA: bursa tenderness limiting)
  • • Secondary Leg Injuries and Disorders clinical sign: activity-related deep aching in Leg Injuries and Disorders (S89.90XA: joint pain in)
  • • Symptom flares in Leg Injuries and Disorders correlating with Serum Uric Acid in Leg Injuries and Disorders (S89.90XA: (Gout Target)) deviation outside < 6.0 mg/dL (< 5.0 mg/dL with tophi) (S89.90XA)
  • • Functional arthritis & joints impact requiring urate-lowering titration [Leg Injuries and Disorders S89.90XA] evaluation (S89.90XA)

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

Leg Injuries and Disorders Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code S89.90XA WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Osteoarthritis, Gout & Joint Pain NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Serum Uric Acid in Leg Injuries and Disorders (S89.90XA: (Gout Target)) < 6.0 mg/dL (< 5.0 mg/dL with tophi) (S89.90XA) Clinical Reference Target Range
Diagnostic / Lab Marker: hs-CRP & Erythrocyte in Leg Injuries and Disorders (S89.90XA: Sedimentation Rate) hs-CRP < 1.5 mg/L; ESR < 15 mm/hr (S89.90XA) Clinical Reference Target Range
Diagnostic / Lab Marker: Weight-Bearing Joint Radiograph [Leg Injuries and Disorders S89.90XA] Preserved joint-space width (S89.90XA) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Leg Injuries and Disorders

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Treatment selection for Leg Injuries and Disorders 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 (Leg Injuries and Disorders)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Upadacitinib for psoriatic arthritis refractory to biologics: SELECT-PsA: What a 642-Participant Study Found

In this trial of patients with active PsA who had inadequate response or intolerance to at least one biologic DMARD, upadacitinib 15 mg and 30 mg was more effective than placebo over 24 weeks in improving signs and symptoms of...

Annals of the rheumatic diseases • 2021-03-15 • Phase III Randomized Trial
N = 642 93/100 PMID 33272960 ↗
Can This Approach Help? Inside the Latest Research on Inhibition of structural damage progression with the selective interleukin-23

Guselkumab, a fully human monoclonal antibody able to bind CD64 and simultaneously inhibit the IL-23p19 subunit, provided significantly higher rates of clinical improvement and significant inhibition of structural damage...

Annals of the rheumatic diseases • 2025-12-15 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 40962616 ↗
Can This Approach Help? Inside the Latest Research on Resolution of enthesitis by guselkumab and relationships to disease burden:

Guselkumab resulted in higher proportions of PsA patients with resolved enthesitis by week 24, with maintenance of resolution rates through 1 year.

Rheumatology (Oxford, England) • 2021-11-03 • Phase III Randomized Trial
Multi-cohort 88/100 PMID 33822898 ↗
Can This Approach Help? Inside the Latest Research on Anti-drug antibodies and neutralising antibodies on safety and real-world

ADA induction had no apparent impact on safety.

Modern rheumatology • 2026-08-31 • Phase III Randomized Trial
Multi-cohort 82/100 PMID 41717779 ↗
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