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Dermatology: Acne, Eczema, Psoriasis & Rosacea • ICD-10-CM L21.0

Cradle cap

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM L21.0 • 7 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

Cradle cap 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 Cradle cap?

Cataloged under federal diagnostic code L21.0 in Skin & Dermatology, Cradle cap requires topical retinoids/calcineurin/steroid sparing in Cradle cap (L21.0: regimens) so specialists can calibrate treatment intensity against Fasting Lipids & in Cradle cap (L21.0: ALT (if systemic) benchmarks.

Pathophysiology, Underlying Causes & Clinical Presentation

Tissue-level etiology in Cradle cap (L21.0) features cutaneous immune skewing in Cradle cap (L21.0: (Th2/IL-4/IL-13 in atopic). therapeutic stabilization in skin & dermatology is verified against 25-Hydroxy Vitamin D in Cradle cap (L21.0: & hs-CRP).

Common Symptoms & Clinical Signs

  • • Presentation of Cradle cap (L21.0): compromised epidermal barrier in Cradle cap (L21.0: with dryness, fissuring,)
  • • Secondary Cradle cap clinical sign: post-inflammatory hyperpigmentation, facial in Cradle cap (L21.0: flushing, or pitted)
  • • Symptom flares in Cradle cap correlating with Fasting Lipids & in Cradle cap (L21.0: ALT (if systemic) deviation outside Within baseline reference limits (L21.0)
  • • Functional skin & dermatology impact requiring topical retinoids/calcineurin/steroid sparing in Cradle cap (L21.0: regimens) evaluation (L21.0)

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

Cradle cap Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code L21.0 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 Cradle cap (L21.0: ALT (if systemic) Within baseline reference limits (L21.0) Clinical Reference Target Range
Diagnostic / Lab Marker: 25-Hydroxy Vitamin D in Cradle cap (L21.0: & hs-CRP) 25(OH)D 40–65 ng/mL (L21.0) Clinical Reference Target Range
Diagnostic / Lab Marker: Affected Body Surface in Cradle cap (L21.0: Area (BSA /) Clear or Almost Clear (IGA 0–1) (L21.0) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Cradle cap

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Treatment selection for Cradle cap 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 (Cradle cap)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Tazarotene 0.045% Lotion for Moderate-to-Severe Acne Patients: Pooled Phase 3: What a 1,013-Participant Study Found

Tazarotene 0.045% lotion is efficacious and well tolerated in female and male adolescents and adults with moderate-to-severe acne.

Journal of drugs in dermatology : JDD • 2021-06-01 • Phase III Randomized Trial
N = 1,013 90/100 PMID 34076400 ↗
Can This Approach Help? Inside the Latest Research on Dupilumab treatment improves signs, symptoms, quality of life, and work

Dupilumab single-drug treatment resulted in significant improvements across different domains of H/F AD with acceptable safety, supporting dupilumab as a systemic treatment approach for this often difficult to treat condition.

Journal of the American Academy of Dermatology • 2024-06-15 • Phase III Randomized Trial
N = 133 88/100 PMID 38296199 ↗
What the Latest Evidence Really Says About Associations between COVID-19 and skin conditions identified through epidemiology

Together our findings suggest association between inflammatory skin conditions and higher risk of COVID-19, but with less severe course, and highlight shared components involved in anti-COVID-19 immune response.

The Journal of allergy and clinical immunology • 2021-03-15 • Meta-Analysis
Multi-cohort 86/100 PMID 33485957 ↗
Managing Scalp Psoriasis: Can Guselkumab Make a Real Difference? (What New Research Reveals)

Within-subject correlations were 0.83 between scalp-specific Investigator's Global Assessment and Psoriasis Area and Severity Index head scores and 0.78 between scalp-specific Investigator's Global Assessment and Psoriasis...

Acta dermato-venereologica • 2024-03-04 • Phase III Randomized Trial
Multi-cohort 82/100 PMID 38436429 ↗
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