ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group L49 includes diagnoses for exfoliation occurring as a consequence of erythematous skin conditions, categorized by the extent of body surface area involved. These ICD-10-CM diagnosis codes are used to document clinical scenarios with widespread skin peeling and erythema, capturing disease severity and extent of integumentary involvement. Accurate coding within the ICD-10-CM L49 group supports complete clinical documentation and appropriate reimbursement.

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ICD-10-CM L49: Exfoliation Due To Erythematous Conditions According To Extent Of Body Surface Involved Overview

This group includes diagnoses for exfoliation related to inflammatory erythematous skin conditions affecting varying proportions of the body surface. These codes target dermatologic conditions with widespread skin peeling and erythema, reflecting severity and extent of skin involvement. Accurate coding matters for clinical documentation and for reimbursement because it conveys disease severity and resource needs.

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ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview

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ICD-10-CM L49: Exfoliation Due To Erythematous Conditions According To Extent Of Body Surface Involved Overview

When to Use

Use a code from this group when a patient has exfoliation linked to an erythematous dermatologic condition and documentation specifies the extent of body surface area affected. These codes apply when severity or widespread skin involvement must be conveyed for clinical records or billing.

ICD-10-CM Codes

10 rows

ICD-10-CM Code	Description
L49.0	Exfoliation due to erythematous condition involving less than 10 percent of body surface
L49.1	Exfoliation due to erythematous condition involving 10-19 percent of body surface
L49.2	Exfoliation due to erythematous condition involving 20-29 percent of body surface
L49.3	Exfoliation due to erythematous condition involving 30-39 percent of body surface
L49.4	Exfoliation due to erythematous condition involving 40-49 percent of body surface
L49.5	Exfoliation due to erythematous condition involving 50-59 percent of body surface
L49.6	Exfoliation due to erythematous condition involving 60-69 percent of body surface
L49.7	Exfoliation due to erythematous condition involving 70-79 percent of body surface
L49.8	Exfoliation due to erythematous condition involving 80-89 percent of body surface
L49.9	Exfoliation due to erythematous condition involving 90 or more percent of body surface

DRG Codes

2 rows

DRG Code	Description
606	Minor Skin Disorders with MCC
607	Minor Skin Disorders without MCC

Typical Clinical Scenarios

An elderly patient with chronic inflammatory skin disease presents to dermatology clinic for progressive widespread peeling and superficial sloughing over arms, chest, and back after a flare of chronic eczema; the exfoliation is stable but persistent, causing pruritus and excoriation without systemic symptoms, and the clinician documents localized erythematous exfoliation limited to less than 10% body surface area so a specific code for localized exfoliation due to an erythematous condition is assigned. Typical codes: L49.1, L49.7
A middle-aged adult arrives to the emergency department with acute, diffuse erythema and rapid sheet-like desquamation involving large areas of trunk and extremities after starting a new medication; there is concern for a severe inflammatory reaction with pain and fluid loss, and the ED team documents extensive exfoliation secondary to an erythematous reaction requiring urgent treatment, prompting assignment of a code for generalized exfoliation. Typical codes: L49.2, L49.3
A patient with long-standing contact dermatitis develops recurrent focal areas of peeling and erythema localized to the hands and wrists interfering with occupational tasks; during a follow-up occupational medicine visit the provider documents chronic localized exfoliation attributable to the underlying erythematous dermatitis as a comorbid skin condition affecting work capacity, and a code for localized exfoliation is recorded. Typical codes: L49.4, L49.5

Related Codes

L50-URTICARIA

ICD-10-CM Code For Urticaria: Group Overview

L51-ERYTHEMA-MULTIFORME

ICD-10-CM Code For Erythema Multiforme: Group Overview

L52-ERYTHEMA-NODOSUM

ICD-10-CM Code For Erythema Nodosum: Group Overview

L53-OTHER-ERYTHEMATOUS-CONDITIONS

ICD-10-CM Code For Other Erythematous Conditions: Group Overview

L54-ERYTHEMA-IN-DISEASES-CLASSIFIED-ELSEWHERE

ICD-10-CM Code For Erythema In Diseases Classified Elsewhere: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

10 rows

ICD-10-CM Code	Description
L49.0	Exfoliation due to erythematous condition involving less than 10 percent of body surface
L49.1	Exfoliation due to erythematous condition involving 10-19 percent of body surface
L49.2	Exfoliation due to erythematous condition involving 20-29 percent of body surface
L49.3	Exfoliation due to erythematous condition involving 30-39 percent of body surface
L49.4	Exfoliation due to erythematous condition involving 40-49 percent of body surface
L49.5	Exfoliation due to erythematous condition involving 50-59 percent of body surface
L49.6	Exfoliation due to erythematous condition involving 60-69 percent of body surface
L49.7	Exfoliation due to erythematous condition involving 70-79 percent of body surface
L49.8	Exfoliation due to erythematous condition involving 80-89 percent of body surface
L49.9	Exfoliation due to erythematous condition involving 90 or more percent of body surface

DRG Codes

2 rows

DRG Code	Description
606	Minor Skin Disorders with MCC
607	Minor Skin Disorders without MCC

Typical Clinical Scenarios

An elderly patient with chronic inflammatory skin disease presents to dermatology clinic for progressive widespread peeling and superficial sloughing over arms, chest, and back after a flare of chronic eczema; the exfoliation is stable but persistent, causing pruritus and excoriation without systemic symptoms, and the clinician documents localized erythematous exfoliation limited to less than 10% body surface area so a specific code for localized exfoliation due to an erythematous condition is assigned. Typical codes: L49.1, L49.7
A middle-aged adult arrives to the emergency department with acute, diffuse erythema and rapid sheet-like desquamation involving large areas of trunk and extremities after starting a new medication; there is concern for a severe inflammatory reaction with pain and fluid loss, and the ED team documents extensive exfoliation secondary to an erythematous reaction requiring urgent treatment, prompting assignment of a code for generalized exfoliation. Typical codes: L49.2, L49.3
A patient with long-standing contact dermatitis develops recurrent focal areas of peeling and erythema localized to the hands and wrists interfering with occupational tasks; during a follow-up occupational medicine visit the provider documents chronic localized exfoliation attributable to the underlying erythematous dermatitis as a comorbid skin condition affecting work capacity, and a code for localized exfoliation is recorded. Typical codes: L49.4, L49.5

Related Codes

L50-URTICARIA

ICD-10-CM Code For Urticaria: Group Overview

L51-ERYTHEMA-MULTIFORME

ICD-10-CM Code For Erythema Multiforme: Group Overview

L52-ERYTHEMA-NODOSUM

ICD-10-CM Code For Erythema Nodosum: Group Overview

L53-OTHER-ERYTHEMATOUS-CONDITIONS

ICD-10-CM Code For Other Erythematous Conditions: Group Overview

L54-ERYTHEMA-IN-DISEASES-CLASSIFIED-ELSEWHERE

ICD-10-CM Code For Erythema In Diseases Classified Elsewhere: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview

Sign up for ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview policy alerts

ICD-10-CM L49: Exfoliation Due To Erythematous Conditions According To Extent Of Body Surface Involved Overview

ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview

Sign up for ICD-10-CM Code For Exfoliation Due To Erythematous Conditions: Group Overview policy alerts

ICD-10-CM L49: Exfoliation Due To Erythematous Conditions According To Extent Of Body Surface Involved Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM codes are included in the L49 group?

How is severity or extent represented within the L49 codes?

Why is accurate coding within the L49 group important?

Which related DRGs are associated with the L49 diagnosis group?

What clinical scenarios are captured by the L49 codes?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM codes are included in the L49 group?

How is severity or extent represented within the L49 codes?

Why is accurate coding within the L49 group important?

Which related DRGs are associated with the L49 diagnosis group?

What clinical scenarios are captured by the L49 codes?

References