Alopecia areata
In Disorders of skin appendages (L60-L75), chapter 12: Diseases of the Skin and Subcutaneous Tissue
5 billable codes under L63: none are a CC or MCC; none map to an HCC.
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Instructional notes
Also applies, from Disorders of skin appendages (L60-L75)
These notes sit on L60-L75 and apply to every code under it, including L63.
Excludes1: not coded here, use a different code
- congenital malformations of integument (Q84.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers assigning pressure ulcer codes by site and stage, including unstageable, healing, healed, and progressing ulcers, and coding healing or progressing non-pressure chronic ulcers.
- Pressure ulcer stage codes (page 58)
- Non-Pressure Chronic Ulcers (page 60)
All codes under L63
L63 can't be used on a claim. Pick a billable code below; grey headings group them.
L63 MS-DRGs
As the principal diagnosis, all 5 billable codes under L63 group to MS-DRG 606 or 607 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Hair Loss
You lose up to 100 hairs from your scalp every day. That's normal, and in most people, those hairs grow back. But many men -- and some women -- lose hair as they grow older. You can also lose your hair if you have certain diseases, such as thyroid problems, diabetes, or lupus. If you take certain medicines or have chemotherapy for cancer, you may also lose your hair. Other causes are stress, a low protein diet, a family history, or poor nutrition.
Read more about hair loss on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.