L65.9 — Nonscarring hair loss, unspecified

L65.9

ICD-10 Chapter 12: Skin & Subcutaneous Tissue — illustrative image — Chapter 12: Diseases of the skin and subcutaneous tissue (L00–L99) — illustrative image

What this code means

Nonscarring hair loss means thinning or shedding of hair in which the follicles survive and regrowth is possible.

Also called: hair loss, alopecia.

When this code is used

Used for nonscarring hair loss, unspecified.

Where it sits in ICD-10-CM

Code L65.9 belongs to Chapter 12: Diseases of the skin and subcutaneous tissue, which covers codes L00–L99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

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Frequently asked questions

What is ICD-10-CM code L65.9?

L65.9 is the ICD-10-CM diagnosis code for “Nonscarring hair loss, unspecified”. Nonscarring hair loss means thinning or shedding of hair in which the follicles survive and regrowth is possible.

When is code L65.9 used?

Used for nonscarring hair loss, unspecified. It belongs to Chapter 12 of ICD-10-CM (Diseases of the skin and subcutaneous tissue).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.