2027 ICD-10-CM Diagnosis Code L26Exfoliative dermatitis

ICD-10-CM Codes›L00–L99›L20-L30›L26

ICD-10-CM L26
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L26 is a billable ICD-10-CM diagnosis code for exfoliative dermatitis. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified inflammatory condition of skin.

Code Identity

ICD-10-CM Code
L26
Billable Status
Yes — Valid for Submission
Code Describes
Exfoliative dermatitis
Short Description
Exfoliative dermatitis
Same as the full description in the CMS dataset.
Chapter
L20-L30
Dermatitis and eczema

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL20-L30Dermatitis and eczema
CategoryL26Exfoliative dermatitis
This CodeL26Exfoliative dermatitis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic generalized exfoliative dermatitis
  • Diffuse dermatitis
  • Drug-induced desquamation of skin
  • Exfoliative disorder of skin of scalp
  • Generalized exfoliative contact dermatitis
  • Megaloblastic anemia due to exfoliative dermatitis
  • Pityriasis rubra
  • Pityriasis rubra pilaris
  • Recurrent focal palmar peeling
  • Subacute dermatitis
  • Subacute generalized exfoliative dermatitis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L26: its own notes plus those printed at block L20-L30 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Hebra's pityriasis

Excludes1

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

  • Ritter's disease (L00)

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 Block L20-L30 Dermatitis and eczema applies to 74 codes
  • chronic (childhood) granulomatous disease (D71-)
  • dermatitis gangrenosa (L08.0)
  • dermatitis herpetiformis (L13.0)
  • dry skin dermatitis (L85.3)
  • factitial dermatitis (L98.1)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • stasis dermatitis (I87.2)
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.-)

Notes

General instructions on how these codes are used.

From Block L20-L30 Dermatitis and eczema applies to 74 codes
  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.

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

Index to Diseases and InjuriesGuidance

Clinical ClassificationClinical

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

CCSR SKN002
Other specified inflammatory condition of skin
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Dermatitis, Exfoliative

    the widespread involvement of the skin by a scaly, erythematous dermatitis occurring either as a secondary or reactive process to an underlying cutaneous disorder (e.g., atopic dermatitis, psoriasis, etc.), or as a primary or idiopathic disease. it is often associated with the loss of hair and nails, hyperkeratosis of the palms and soles, and pruritus. (from dorland, 27th ed)

Patient EducationClinical

Rashes

A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful, and irritated. Some rashes can also lead to blisters or patches of raw skin. Rashes are a symptom of many different medical problems. Other causes include irritating substances and allergies. Certain genes can make people more likely to get rashes.

Read the full article at MedlinePlus

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

Convert L26 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 L26Overview

What is the ICD-10 code for exfoliative dermatitis?

The ICD-10-CM code for exfoliative dermatitis is L26. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is L26 (Exfoliative dermatitis) a billable code?

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

What MS-DRG does L26 group to?

When exfoliative dermatitis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.

Can L26 be reported with L00?

Not as a rule. The Excludes1 note on L26 lists "Ritter's disease (L00)". 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).

What is the ICD-9 equivalent of L26?

Under the General Equivalence Mappings, exfoliative dermatitis converts to ICD-9-CM 695.89 (erythematous cond NEC). The mapping is approximate, so confirm the match fits the documentation.