Is ICD-10-CM code L54 billable?

Yes, L54 (Erythema in diseases classified elsewhere) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2027.

What chapter does ICD-10-CM code L54 belong to?

L54 belongs to Chapter 12 of the ICD-10-CM tabular list: L00–L99 (Diseases of the Skin and Subcutaneous Tissue).

L54Billable, valid for claims from October 1, 2026

Erythema in diseases classified elsewhere

In Urticaria and erythema (L49-L54), chapter 12: Diseases of the Skin and Subcutaneous Tissue

L54 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under L49-L54 below.
As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).
Can't be the principal diagnosis: code the underlying condition first. (Manifestation list)

Also indexed as: Erythema, in diseases classified elsewhere

Instructional notes

Code first: code the underlying condition first, then this code

underlying disease.

Also applies, from Urticaria and erythema (L49-L54)

These notes sit on L49-L54 and apply to every code under it, including L54.

Excludes1: not coded here, use a different code

Lyme disease (A69.2-)
rosacea (L71.-)

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)

Other codes under L49-L54

Urticaria and erythema (L49-L54)

L49Exfoliation due to erythematous conditions according to extent of body surface involved
L50Urticaria
L51Erythema multiforme
L52Erythema nodosum
L53Other erythematous conditions
L54Erythema in diseases classified elsewhere(this code)

L54 MS-DRGs

As the principal diagnosis, L54 groups 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.

Related conditions

Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.

L54 is in Other specified inflammatory condition of skin (SKN002), with 164 codes. Others in it:

B65.3 Cercarial dermatitis
E08.620 Diabetes mellitus due to underlying condition with diabetic dermatitis
E09.620 Drug or chemical induced diabetes mellitus with diabetic dermatitis
E10.620 Type 1 diabetes mellitus with diabetic dermatitis
E11.620 Type 2 diabetes mellitus with diabetic dermatitis
E13.620 Other specified diabetes mellitus with diabetic dermatitis
L10.0 Pemphigus vulgaris
L10.1 Pemphigus vegetans

Medicare coverage articles listing L54

These 6 Medicare billing and coding articles list L54 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.

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:

Code history

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

ICD-9-CM equivalent

Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).

695.89 Other specified erythematous conditions (approximate)

ICD-9 to ICD-10 converter