2027 ICD-10-CM Diagnosis Code L82.1Other seborrheic keratosis

ICD-10-CM Codes›L00–L99›L80-L99›L82

ICD-10-CM L82.1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L82.1 is a billable ICD-10-CM diagnosis code for other seborrheic keratosis. 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 and unspecified skin disorders.

Code Identity

ICD-10-CM Code
L82.1
Billable Status
Yes — Valid for Submission
Code Describes
Other seborrheic keratosis
Short Description
Other seborrheic keratosis
Same as the full description in the CMS dataset.
Parent Code
L82
Seborrheic keratosis

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL80-L99Other disorders of the skin and subcutaneous tissue
CategoryL82Seborrheic keratosis
This CodeL82.1Other seborrheic keratosis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Basal cell papilloma clonal type
  • Basal cell papilloma hyperkeratotic type
  • Basal cell papilloma reticulated type
  • Basal cell papilloma solid type
  • Benign neoplasm of skin of scalp
  • Dermatosis papulosa nigra
  • Eruptive basal cell papillomata
  • Leser-Trélat sign
  • Melanoacanthoma
  • Multiple basal cell papillomata
  • Raised seborrheic keratosis
  • Seborrheic keratosis
  • Seborrheic keratosis of eyelid
  • Seborrheic keratosis of scalp
  • Traumatized seborrheic keratosis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L82.1: its own notes plus those printed at L82 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From L82 Seborrheic keratosis applies to 2 codes
  • basal cell papilloma
  • dermatosis papulosa nigra
  • Leser-Trélat disease

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.

  • Seborrheic keratosis 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.

From L82 Seborrheic keratosis applies to 2 codes
  • seborrheic dermatitis (L21.-)
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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name L82.1, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming L82.1: its condition is not part of those codes, and both may be reported when the patient has both.

  • L21 Seborrheic dermatitis
    seborrheic keratosis (L82.-) names L82.-, which includes this code

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

  • Keratosis, Seborrheic

    benign eccrine poromas that present as multiple oval, brown-to-black plaques, located mostly on the chest and back. the age of onset is usually in the fourth or fifth decade.

Patient EducationClinical

Benign Tumors

Tumors are abnormal growths in your body. They can be either benign or malignant. Benign tumors aren't cancer. Malignant ones are. Benign tumors grow only in one place. They cannot spread or invade other parts of your body. Even so, they can be dangerous if they press on vital organs, such as your brain.

Read the full article at MedlinePlus

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

Convert L82.1 to ICD-9-CMHistory

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

ICD-9-CM
702.19 Other sborheic keratosis
Exact Match The mapping is direct, with no qualifiers.

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 L82.1Overview

What is the ICD-10 code for other seborrheic keratosis?

The ICD-10-CM code for other seborrheic keratosis is L82.1 (sometimes written as L821). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is L82.1 (Seborrheic keratosis) a billable code?

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

What MS-DRG does L82.1 group to?

When other seborrheic keratosis 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 L82.1?

Under the General Equivalence Mappings, other seborrheic keratosis converts to ICD-9-CM 702.19 (other sborheic keratosis). The mapping is a direct match.