2027 ICD-10-CM Diagnosis Code L54Erythema in diseases classified elsewhere

ICD-10-CM Codes›L00–L99›L49-L54›L54

ICD-10-CM L54
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L54 is a billable ICD-10-CM diagnosis code for erythema in diseases classified elsewhere. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607. The code is a manifestation code that cannot be reported as the principal diagnosis. Coders also document this condition as autosomal dominant epidermolysis bullosa simplex. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified inflammatory condition of skin.

Code Identity

ICD-10-CM Code
L54
Billable Status
Yes — Valid for Submission
Code Describes
Erythema in diseases classified elsewhere
Short Description
Erythema in diseases classified elsewhere
Same as the full description in the CMS dataset.
Chapter
L49-L54
Urticaria and erythema

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL49-L54Urticaria and erythema
CategoryL54Erythema in diseases classified elsewhere
This CodeL54Erythema in diseases classified elsewhere

Code EditsBilling

Medicare Code Editor checks that affect claim validity for L54.

Manifestation diagnoses
Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Autosomal dominant epidermolysis bullosa simplex
  • Epidermolysis bullosa simplex with circinate migratory erythema

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L54: its own notes plus those printed at block L49-L54 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block L49-L54 Urticaria and erythema applies to 33 codes

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 12 (L00-L99) Diseases of the skin and subcutaneous tissue applies to 1,001 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Code First

The underlying condition named in the note is sequenced before this code.

  • underlying disease.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR SKN002
Other specified inflammatory condition of skin
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

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:

The full article covers:

  • What does your skin do?
  • What problems and conditions can affect your skin?
  • How can I keep my skin healthy?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert L54 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
695.89 Erythematous cond NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About L54Overview

What is the ICD-10 code for erythema in diseases classified elsewhere?

The ICD-10-CM code for erythema in diseases classified elsewhere is L54. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is L54 (Erythema in diseases classified elsewhere) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report erythema in diseases classified elsewhere on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does L54 group to?

On inpatient claims, erythema in diseases classified elsewhere maps to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.

Can L54 be a principal diagnosis?

No. This is a manifestation code: erythema in diseases classified elsewhere describes the manifestation of an underlying disease rather than the disease itself, so the underlying condition is sequenced first.

Can L54 be reported with a code from A69.2?

Not as a rule. The Excludes1 note at block L49-L54, which applies to L54, lists "Lyme disease (A69.2-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).