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Hair Loss, Alopecia & Scalp Conditions • ICD-10-CM O36.8990

Newborn bruise beneath scalp (cephalohematoma)

Also known as: Cephalohematoma

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM O36.8990 • 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

Newborn bruise beneath scalp (cephalohematoma) 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 Newborn bruise beneath scalp (cephalohematoma)?

Newborn bruise beneath scalp (cephalohematoma) (also termed Cephalohematoma)—coded clinically as O36.8990 across Hair & Scalp guidelines—combines early follicle preservation in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: with 5-alpha-reductase modulators) with structured follow-up of Serum Ferritin [Newborn bruise beneath scalp (cephalohematoma) O36.8990] (70 – 150 ng/mL (O36.8990)).

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in hair & scalp, Newborn bruise beneath scalp (cephalohematoma) (O36.8990) involves perifollicular autoimmune lymphocytic in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: attack (alopecia areata)). progression correlates with shifts in Total/Free Testosterone & in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: DHEA-S (if androgenic)) (Age/sex physiological range (O36.8990)).

Common Symptoms & Clinical Signs

  • • Presentation of Newborn bruise beneath scalp (cephalohematoma) (O36.8990): thickened, discolored, brittle, in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: or subungually lifting)
  • • Secondary Newborn bruise beneath scalp (cephalohematoma) clinical sign: gradual widening of in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: the central scalp)
  • • Symptom flares in Newborn bruise beneath scalp (cephalohematoma) correlating with Total/Free Testosterone & in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: DHEA-S (if androgenic)) deviation outside Age/sex physiological range (O36.8990)
  • • Functional hair & scalp impact requiring early follicle preservation in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: with 5-alpha-reductase modulators) evaluation (O36.8990)

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

Newborn bruise beneath scalp (cephalohematoma) Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code O36.8990 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Hair Loss, Alopecia & Scalp Conditions NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Total/Free Testosterone & in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: DHEA-S (if androgenic)) Age/sex physiological range (O36.8990) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Ferritin [Newborn bruise beneath scalp (cephalohematoma) O36.8990] 70 – 150 ng/mL (O36.8990) Clinical Reference Target Range
Diagnostic / Lab Marker: TSH & Free in Newborn bruise beneath scalp (cephalohematoma) (O36.8990: T4) TSH 0.8 – 2.5 mIU/L (O36.8990) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Newborn bruise beneath scalp (cephalohematoma)

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Redcool Arnica Bruise (Arnica Montana Hpus 7% Arnica Bruise) Redcool Arnica Bruise • RxCUI RXN-B85248026 Over-the-Counter Clinical Monograph 85% $2.0100 $ 153.22 /mo
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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Newborn bruise beneath scalp (cephalohematoma))

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Patient-Reported Satisfaction with Hair Regrowth in a Study of Ritlecitinib in: What a 718-Participant Study Found

Patients receiving active ritlecitinib doses reported favorable results versus placebo in satisfaction with hair growth up to week 48.

Dermatology (Basel, Switzerland) • 2024-01-15 • Phase III Randomized Trial
N = 718 93/100 PMID 38934147 ↗
New Insights on Ivarmacitinib for the treatment of adults with severe hair loss areata: Results: What a 330-Participant Study Found

Once-daily ivarmacitinib 4 mg or 8 mg resulted in meaningful hair regrowth and demonstrated an acceptable safety profile in patients with severe AA.

Journal of the American Academy of Dermatology • 2026-01-15 • Phase III Randomized Trial
N = 330 93/100 PMID 40976531 ↗
What the Latest Evidence Really Says About Interventions for female pattern hair

Finasteride was no more effective than placebo (low quality evidence).

The Cochrane database of systematic reviews • 2016-05-26 • Meta-Analysis
Multi-cohort 92/100 PMID 27225981 ↗
What the Latest Evidence Really Says About Vasodilators for persistent lung high blood pressure of the newborn: A network

Milrinone, Sildenafil, and Sildenafil_Milrinone reduced the mortality of neonates with PPHN.

Pediatric pulmonology • 2024-12-15 • Meta-Analysis
Multi-cohort 92/100 PMID 39193897 ↗
Can This Approach Help? Inside the Latest Research on Sublingual minoxidil increases fibre diameter in male androgenetic hair loss: a

The effect of SLM on mean fibre diameter was dose dependent.

Clinical and experimental dermatology • 2025-06-25 • Randomized Controlled Trial
N = 33 88/100 PMID 39774750 ↗
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