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Hair Loss, Alopecia & Scalp Conditions • ICD-10-CM L60.4

Beau's lines

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM L60.4 • 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

Beau's lines Key Takeaways

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

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What Is Beau's lines?

Designated in federal medical registries as L60.4, Beau's lines falls under Hair & Scalp management, where early follicle preservation in Beau's lines (L60.4: with 5-alpha-reductase modulators) establishes baseline severity and rules out diagnostic mimics.

Pathophysiology, Underlying Causes & Clinical Presentation

Pathophysiologically, Beau's lines (ICD-10 L60.4) is driven by perifollicular autoimmune lymphocytic in Beau's lines (L60.4: attack (alopecia areata)); specialists in Hair Loss, Alopecia & Scalp Conditions monitor Serum Ferritin [Beau's lines L60.4] to gauge tissue recovery.

Common Symptoms & Clinical Signs

  • • Presentation of Beau's lines (L60.4): thickened, discolored, brittle, in Beau's lines (L60.4: or subungually lifting)
  • • Secondary Beau's lines clinical sign: gradual widening of in Beau's lines (L60.4: the central scalp)
  • • Symptom flares in Beau's lines correlating with Total/Free Testosterone & in Beau's lines (L60.4: DHEA-S (if androgenic)) deviation outside Age/sex physiological range (L60.4)
  • • Functional hair & scalp impact requiring early follicle preservation in Beau's lines (L60.4: with 5-alpha-reductase modulators) evaluation (L60.4)

Beau's lines Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code L60.4 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Hair Loss, Alopecia & Scalp Conditions NLM Clinical Tables
Diagnostic / Lab Marker: Total/Free Testosterone & in Beau's lines (L60.4: DHEA-S (if androgenic)) Age/sex physiological range (L60.4) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Ferritin [Beau's lines L60.4] 70 – 150 ng/mL (L60.4) Clinical Reference Target Range
Diagnostic / Lab Marker: TSH & Free in Beau's lines (L60.4: T4) TSH 0.8 – 2.5 mIU/L (L60.4) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Beau's lines

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Tissen NF 10 (Adenosine) Tissen NF 10 • RxCUI RXN-B424911100 Adenosine Receptor Agonist 85% $2.1000 $ 159.70 /mo
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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Beau's lines)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on A randomized, compared against a dummy pill (placebo) trial of 5% and 2%: What a 381-Participant Study Found

In this 48-week study of 381 women with female pattern hair loss, 5% applied to the skin minoxidil was superior to placebo on each of the 3 primary efficacy end points: promoting hair growth as measured by change in nonvellus...

Journal of the American Academy of Dermatology • 2004-04-15 • Randomized Controlled Trial
N = 381 93/100 PMID 15034503 ↗
What the Latest Evidence Really Says About Treatments for hair loss areata: a network

We also found that the impact of other treatments on hair regrowth is very uncertain.

The Cochrane database of systematic reviews • 2023-10-23 • Meta-Analysis
N = 25 92/100 PMID 37870096 ↗
What the Latest Evidence Really Says About Effectiveness of treatments for androgenetic hair

This meta-analysis strongly suggests that minoxidil, finasteride, and low-level laser light therapy are effective for promoting hair growth in men with androgenetic hair loss and that minoxidil is effective in women with...

Journal of the American Academy of Dermatology • 2017-07-15 • Meta-Analysis
Multi-cohort 92/100 PMID 28396101 ↗
What the Latest Evidence Really Says About Efficacy of non-surgical treatments for androgenetic hair

High-quality randomized controlled trials and head-to-head trials are required to support these findings and aid in the development of more standardized protocols, particularly for PRP.

Journal of the European Academy of Dermatology and Venereology : JEADV • 2018-12-15 • Meta-Analysis
N = 45 92/100 PMID 29797431 ↗
Can This Approach Help? Inside the Latest Research on Platelet-rich Plasma for Androgenetic hair loss Treatment: A Randomized compared

No improvements were seen over the course of the trial, using TrichoScan measurements or visual assessment.

Acta dermato-venereologica • 2020-08-18 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 32735021 ↗
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