2027 ICD-10-CM Diagnosis Code L28.0Lichen simplex chronicus
ICD-10-CM Codes›L00–L99›L20-L30›L28
- Billable — Valid for Submission
- Not Chronic
L28.0 is a billable ICD-10-CM diagnosis code for lichen simplex chronicus. 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
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Chronic graft-versus-host disease
- Chronic vulvitis
- Dermatosis of scalp
- Frictional lichenoid eruption
- Interface dermatitis
- Interface dermatitis, lichenoid type
- Lichen
- Lichen aureus
- Lichen nuchae
- Lichen simplex chronicus
- Lichen simplex of male genitalia
- Lichen simplex of perianal skin
- Lichen simplex of scrotum
- Lichen simplex of vulva
- Lichenification of female perineum
- Lichenification of skin
- Lichenified eczema
- Lichenoid chronic graft-versus-host disease
- Lichenoid skin lesion
- Neurodermatitis of external ear
- Onchocercal lichenification
- Pebbly lichenification
- Pigmented purpuric dermatosis
- Pruritic dermatitis
- Pruritic scalp dermatosis
- Purpuric rash
- Secondary lichenification
- Texture of skin or mucosa
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L28.0: 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.
- Circumscribed neurodermatitis
- Lichen NOS
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.
- 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.
- 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.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name L28.0, its category, or a range that includes it.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Eczema (acute) (chronic) (erythematous) (fissum) (rubrum) (squamous) See Also: Dermatitis; L30.9
hypertrophicum L28.0
lichenified NEC L28.0
Lichen L28.0
Lichenification L28.0
Vidal's disease L28.0
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Neurodermatitis
an extremely variable eczematous skin disease that is presumed to be a response to prolonged vigorous scratching, rubbing, or pinching to relieve intense pruritus. it varies in intensity, severity, course, and morphologic expression in different individuals. neurodermatitis is believed by some to be psychogenic. the circumscribed or localized form is often referred to as lichen simplex chronicus.
Patient EducationClinical
Itching
Itching is an irritating sensation that makes you want to scratch your skin. Sometimes it can feel like pain, but it is different. Often, you feel itchy in one area in your body, but sometimes you may feel itching all over. Along with the itching, you may also have a rash or hives.
The full article covers:
- What is itching?
- What causes itching?
- What are the treatments for itching?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L28.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L28.0Overview
What is the ICD-10 code for lichen simplex chronicus?
The ICD-10-CM code for lichen simplex chronicus is L28.0 (sometimes written as L280). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L28.0 (Lichen simplex chronicus and prurigo) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report lichen simplex chronicus on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L28.0 group to?
When lichen simplex chronicus 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.
What is the ICD-9 equivalent of L28.0?
Under the General Equivalence Mappings, lichen simplex chronicus converts to ICD-9-CM 698.3 (lichenification). The mapping is approximate, so confirm the match fits the documentation.
