L74.51Header code — not billable
Primary focal hyperhidrosis
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L74
- Effective date
- October 1, 2026
Related codes in category L74
L74Eccrine sweat disordersL74.0Miliaria rubraYesL74.1Miliaria crystallinaYesL74.2Miliaria profundaYesL74.3Miliaria, unspecifiedYesL74.4AnhidrosisYesL74.5Focal hyperhidrosisL74.510Primary focal hyperhidrosis, axillaYesL74.511Primary focal hyperhidrosis, faceYesL74.512Primary focal hyperhidrosis, palmsYesL74.513Primary focal hyperhidrosis, solesYesL74.519Primary focal hyperhidrosis, unspecifiedYes
Frequently asked questions
What is ICD-10 code L74.51?
L74.51 is an ICD-10-CM diagnosis code for Primary focal hyperhidrosis.
Is L74.51 a billable code?
No. L74.51 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is L74.51 in?
L74.51 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L74.51 become effective?
L74.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to L74.51?
L74.51 belongs to category L74, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.