L01.00 – Impetigo, unspecified

ICD-10-CM 2027 diagnosis code · Infections of the skin and subcutaneous tissue

Billable code

ICD-10-CM code L01.00

Code: L01.00 (claims format: L0100)
Description: Impetigo, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: L00-L08 Infections of the skin and subcutaneous tissue
Parent codes: L01 › L01.0

Notes for L01.00

Applicable to:

Impetigo NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

L01 – Impetigo

Excludes1 (not coded here):

impetigo herpetiformis (L40.1)

L01.0 – Impetigo

Applicable to:

Impetigo contagiosa
Impetigo vulgaris

Block L00-L08

Excludes2 (not included here):

hordeolum (H00.0)
infective dermatitis (L30.3)
local infections of skin classified in Chapter 1
lupus panniculitis (L93.2)
panniculitis NOS (M79.3)
panniculitis of neck and back (M54.0-)
Perlèche NOS (K13.0)
Perlèche due to candidiasis (B37.0)
Perlèche due to riboflavin deficiency (E53.0)
pyogenic granuloma (L98.0)
relapsing panniculitis [Weber-Christian] (M35.6)
viral warts (B07.-)
zoster (B02.-)

Use additional code:

code (B95-B97) to identify infectious agent.

Index terms for L01.00

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in L01.0

Frequently asked questions

What is ICD-10 code L01.00?

L01.00 is the ICD-10-CM code for impetigo, unspecified, in the block L00-L08 (Infections of the skin and subcutaneous tissue).

Is L01.00 a billable code?

Yes. L01.00 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L01.00 belong to?

It belongs to category L01 – Impetigo.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.