Is ICD-10-CM code L74 billable?

No, L74 (Eccrine sweat disorders) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code L74 belong to?

L74 belongs to Chapter 12 of the ICD-10-CM tabular list: L00–L99 (Diseases of the Skin and Subcutaneous Tissue).

L74Not billable, use a more specific code below

Eccrine sweat disorders

In Disorders of skin appendages (L60-L75), chapter 12: Diseases of the Skin and Subcutaneous Tissue

13 billable codes under L74: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes2: not included here, code separately if applicable

generalized hyperhidrosis (R61)

Also applies, from Disorders of skin appendages (L60-L75)

These notes sit on L60-L75 and apply to every code under it, including L74.

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)

Read Section I.C.12 (page 58)

All codes under L74

L74 can't be used on a claim. Pick a billable code below; grey headings group them.

L74 MS-DRGs

As the principal diagnosis, all 13 billable codes under L74 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.

Other codes that refer to L74

Notes on these codes point to L74.

T67 Excludes2: sweat disorder due to heat (L74-L75)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Skin Conditions

Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:

Sweat

Sweat is a clear, salty liquid produced by glands in your skin. Sweating is how your body cools itself. You sweat mainly under your arms and on your feet and palms. When sweat mixes with bacteria on your skin, it can cause a smell. Bathing regularly and using antiperspirants or deodorants can help control the odor.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.