2027 ICD-10-CM Diagnosis Code L28.1Prurigo nodularis
ICD-10-CM Codes›L00–L99›L20-L30›L28
- Billable — Valid for Submission
- Not Chronic
L28.1 is a billable ICD-10-CM diagnosis code for prurigo nodularis. 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.
- Prurigo nodularis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L28.1: 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.
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.
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.
Patient EducationClinical
Eczema
Eczema is a term for several different types of skin swelling. Eczema is also called dermatitis. Most types cause dry, itchy skin and rashes on the face, inside the elbows and behind the knees, and on the hands and feet. Scratching the skin can cause it to turn red, and to swell and itch even more.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L28.1 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L28.1Overview
What is the ICD-10 code for prurigo nodularis?
The ICD-10-CM code for prurigo nodularis is L28.1 (sometimes written as L281). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L28.1 (Lichen simplex chronicus and prurigo) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report prurigo nodularis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L28.1 group to?
When prurigo nodularis 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 L28.1?
Under the General Equivalence Mappings, prurigo nodularis converts to ICD-9-CM 698.3 (lichenification). The mapping is approximate, so confirm the match fits the documentation.
