2027 ICD-10-CM Diagnosis Code L92.1Necrobiosis lipoidica, not elsewhere classified

ICD-10-CM Codes›L00–L99›L80-L99›L92

ICD-10-CM L92.1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L92.1 is a billable ICD-10-CM diagnosis code for necrobiosis lipoidica, not elsewhere classified. 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. Coders also document this condition as granulomatosis disciformis et progressiva. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.

Code Identity

ICD-10-CM Code
L92.1
Billable Status
Yes — Valid for Submission
Code Describes
Necrobiosis lipoidica, not elsewhere classified
Short Description
Necrobiosis lipoidica, not elsewhere classified
Same as the full description in the CMS dataset.
Parent Code
L92
Granulomatous disorders of skin and subcutaneous tissue

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL80-L99Other disorders of the skin and subcutaneous tissue
CategoryL92Granulomatous disorders of skin and subcutaneous tissue
This CodeL92.1Necrobiosis lipoidica, not elsewhere classified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Granulomatosis disciformis et progressiva
  • Necrobiosis lipoidica
  • Necrobiosis lipoidica, granulomatous type
  • Necrobiosis lipoidica, necrobiotic type

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L92.1: its own notes plus those printed at L92 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.

  • necrobiosis lipoidica associated with diabetes mellitus (E08-E13 with .620)

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 L92 Granulomatous disorders of skin and subcutaneous tissue applies to 6 codes
  • actinic granuloma (L57.5)
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.-)

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 SKN007
Other specified and unspecified skin disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Necrobiosis Lipoidica

    a degenerative disease of the dermal connective tissue characterized by the development of erythematous papules or nodules in the pretibial area. the papules form plaques covered with telangiectatic vessels. more than half of the affected patients have diabetes.

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 L92.1 to ICD-9-CMHistory

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

ICD-9-CM
709.3 Degenerative skin disord
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 L92.1Overview

What is the ICD-10 code for necrobiosis lipoidica, not elsewhere classified?

The ICD-10-CM code for necrobiosis lipoidica, not elsewhere classified is L92.1 (sometimes written as L921). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is L92.1 (Granulomatous disorders of skin and subcutaneous tissue) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report necrobiosis lipoidica, not elsewhere classified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does L92.1 group to?

When necrobiosis lipoidica, not elsewhere classified 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 L92.1?

Under the General Equivalence Mappings, necrobiosis lipoidica, not elsewhere classified converts to ICD-9-CM 709.3 (degenerative skin disord). The mapping is approximate, so confirm the match fits the documentation.