Alphabetic Index FY2027

L82.1

Other seborrheic keratosis

FY2027Chapter 12: Diseases of the skin and subcutaneous tissue/L80–L99 Other disorders of the skin and subcutaneous tissue

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other

L82.1 (also written L821) is a billable ICD-10-CM diagnosis code for other seborrheic keratosis. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 2 codes in category L82 (Seborrheic keratosis). The Alphabetic Index lists it under 10 entries. Its coding notes include 11 Excludes2 entries.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from L82 Seborrheic keratosis
  • seborrheic dermatitis (L21.-)
Also from chapter/block level (10 notes)
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
  • 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.-)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Includes

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

Inherited from L82 Seborrheic keratosis
  • basal cell papilloma
  • dermatosis papulosa nigra
  • Leser-Trélat disease

Inclusion terms

Conditions classified to this code.

This code
  • Seborrheic keratosis NOS

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 10 entries