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SynopsisCodesLook ForDiagnostic PearlsDifferential Diagnosis & PitfallsBest TestsManagement PearlsTherapyDrug Reaction DataReferences

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Onychorrhexis - Nail and Distal Digit
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Onychorrhexis - Nail and Distal Digit

Contributors: Shari Lipner MD, PhD, Vivian Wong MD, PhD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Onychorrhexis refers to alternating longitudinal thickening and thinning, or ridging, of the nail plate. Longitudinal splitting may also occur. The first fingernails are most commonly affected. Onychorrhexis is believed to be a result of disordered keratinization in the nail matrix and is due to a variety of conditions:

Codes

ICD10CM:
L60.3 – Nail dystrophy

SNOMEDCT:
85136002 – Longitudinal split nail

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

To perform a comparison, select diagnoses from the classic differential

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Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

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References

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Last Reviewed:05/06/2019
Last Updated:09/08/2019
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Onychorrhexis - Nail and Distal Digit
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A medical illustration showing key findings of Onychorrhexis : Fingernails, Toenails
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