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Dermatology: Acne, Eczema, Psoriasis & Rosacea • ICD-10-CM L98.9

Skin Conditions

Also known as: Cutaneous disorders, Dermatologic disorders, Skin, Dermis, Cutis

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM L98.9 • 8 Linked .gov / PubMed Citations • Governance: Dr. Priya Nair, MD, FAAD (NPI #1295730425)
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

Skin Conditions 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 Skin Conditions?

What does your skin do? Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it: Holds body fluids in, which helps prevent you from getting dehydrated Keeps out harmful germs, which helps prevent infections Helps you feel things like heat, cold, and pain Helps control your body temperature Makes vitamin D when the sun shines on it Shields your body against heat and light What problems and conditions can affect your skin? There are many different problems and conditions which can affect your skin.

Pathophysiology, Underlying Causes & Clinical Presentation

Mechanistic hallmarks of Skin Conditions (L98.9) center on or pilosebaceous follicular in Skin Conditions (L98.9: hyperkeratinization). Cross-referenced with NIH MeSH (Skin Diseases), targeted skin & dermatology interventions aim to normalize Fasting Lipids & in Skin Conditions (L98.9: ALT (if systemic).

Common Symptoms & Clinical Signs

  • • Holds body fluids in, which helps prevent you from getting dehydrated
  • • Keeps out harmful germs, which helps prevent infections
  • • Presentation of Skin Conditions (L98.9): post-inflammatory hyperpigmentation, facial in Skin Conditions (L98.9: flushing, or pitted)
  • • Secondary Skin Conditions clinical sign: recurrent flares triggered in Skin Conditions (L98.9: by UV exposure,)

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

Skin Conditions Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code L98.9 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Dermatology: Acne, Eczema, Psoriasis & Rosacea NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Fasting Lipids & in Skin Conditions (L98.9: ALT (if systemic) Within baseline reference limits (L98.9) Clinical Reference Target Range
Diagnostic / Lab Marker: 25-Hydroxy Vitamin D in Skin Conditions (L98.9: & hs-CRP) 25(OH)D 40–65 ng/mL (L98.9) Clinical Reference Target Range
Diagnostic / Lab Marker: Affected Body Surface in Skin Conditions (L98.9: Area (BSA /) Clear or Almost Clear (IGA 0–1) (L98.9) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Skin Conditions

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Hydroquinone Olivia Quido Blemish Eraser, Obagi-C Rx System C-Therapy Night • RxCUI 197795 Melanin Synthesis Inhibitor 79% $0.4445 $ 26.50 /mo
Methazolamide Neptazane • RxCUI 197939 Eye Health Agent 90% $0.6275 $ 17.08 /mo
Manganum Metallicum (Manganese) Manganum Metallicum • RxCUI RXN-B02203300 Paramagnetic Contrast Agent 88% $2.6500 $ 199.30 /mo
Glycopyrrolate Oral Solution Glycopyrrolate Oral Solution Generic • RxCUI 999961 Anticholinergic 90% $0.1689 $ 15.34 /mo
Potassium Citrate and Citric Acid Monohydrate Potassium Citrate and Citric Acid Monohydrate Generic • RxCUI 309318 Anti-coagulant 86% $0.0414 $ 10.18 /mo
Fluorometholone Acetate Flarex • RxCUI 1249629 Corticosteroid 78% $23.9177 $ 185.00 /mo
Carisoprodol Soma • RxCUI 197446 Muscle Relaxant 82% $0.3644 $ 23.26 /mo
Phenobarbital Sodium Sezaby • RxCUI 198368 FDA Prescription Therapeutic Agent 78% $0.2168 $ 17.28 /mo
Sodium Citrate and Citric Acid Sodium Citrate and Citric Acid Generic • RxCUI 543014 Calculi Dissolution Agent 82% $0.0229 $ 9.43 /mo
Spironolactone and Hydrochlorothiazide Spironolactone and Hydrochlorothiazide Generic • RxCUI 198224 Aldosterone Antagonist 89% $0.4833 $ 28.07 /mo
Papaverine Hydrochloride Papaverine Hydrochloride Generic • RxCUI 1789947 FDA Prescription Therapeutic Agent 74% $0.1900 $ 16.20 /mo
Tricitrates Tricitrates Generic • RxCUI 309317 Anti-coagulant 74% $0.0298 $ 9.71 /mo
Promethazine Hci Promethazine Hci Generic • RxCUI 992858 Phenothiazine 87% $2.0262 $ 90.56 /mo
Calcitonin Salmon Miacalcin • RxCUI 308866 Calcitonin 85% $11.1405 $ 185.00 /mo
Prednisone Deltasone • RxCUI 312617 Corticosteroid 88% $0.0638 $ 5.68 /mo
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Skin Conditions)

Browse All PubMed Translations →
Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Improvements in acne and skin oiliness with tazarotene 0.045% lotion in patients: What a 1,614-Participant Study Found

Once-daily treatment with tazarotene 0.045% polymeric emulsion lotion may help improve patient-perceived skin oiliness in those with moderate-to-severe acne.

The Journal of dermatological treatment • 2023-12-15 • Randomized Controlled Trial
N = 1,614 96/100 PMID 36382987 ↗
New Insights on Accuracy of ESAT6-CFP10 skin test compared with tuberculin skin test in a healthy: What a 1,564-Participant Study Found

The diagnostic performance of the EC skin test was similar to that of the T-SPOT test in the healthy population and was unaffected by BCG vaccination.

BMC infectious diseases • 2024-12-30 • Phase III Randomized Trial
N = 1,564 96/100 PMID 39736611 ↗
New Insights on Incidence of tardive dyskinesia in the study of pharmacotherapy for psychotic: What a 259-Participant Study Found

The incidence of TD was relatively low in both younger and older patients with depression with psychotic features treated acutely with olanzapine.

Journal of clinical psychopharmacology • 2013-06-15 • Randomized Controlled Trial
N = 259 93/100 PMID 23609383 ↗
New Insights on Ceftobiprole Compared With Vancomycin Plus Aztreonam in the Treatment of Acute: What a 335-Participant Study Found

TARGET demonstrated that ceftobiprole is noninferior to vancomycin/aztreonam in the treatment of ABSSSIs, in terms of early clinical response and investigator-assessed clinical success at the TOC visit.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America • 2021-10-05 • Phase III Randomized Trial
N = 335 93/100 PMID 32897367 ↗
New Insights on Secukinumab maintains superiority over ustekinumab in clearing skin and improving: What a 550-Participant Study Found

This second head-to-head study confirmed the superior efficacy of secukinumab over ustekinumab in skin clearance and quality of life through 52 weeks, with safety comparable to that reported in previous trials.

Journal of the European Academy of Dermatology and Venereology : JEADV • 2021-01-15 • Phase III Randomized Trial
N = 550 93/100 PMID 32365251 ↗
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Skin Conditions Patient Community & “People Like Me” Threads

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Related Conditions in Dermatology: Acne, Eczema, Psoriasis & Rosacea