Billable / Specific Code
ICD-10-CM L49.9 is the diagnosis code for Exfoliation due to erythematous condition involving 90 or more percent of body surface. This code falls under the section "Urticaria and erythema" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where L49.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, L49.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
L49.9 is the ICD-10-CM diagnosis code for "Exfoliation due to erythematous condition involving 90 or more percent of body surface". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of L49.9 is L49 ("Exfoliation due to erythematous conditions according to extent of body surface involved"). L49.9 provides a more specific classification within this category.
L49.9 is located in Section L49-L54 — "Urticaria and erythema" within Chapter 12 of the ICD-10-CM Tabular List.
L49.9 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use L49.9 when the patients documented diagnosis matches "Exfoliation due to erythematous condition involving 90 or more percent of body surface" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Exfoliation due to erythematous condition involving 90 or more percent of body surface is L49.9.
Yes, L49.9 can be used as a primary diagnosis code since it is billable and specific.
L49.9 is in Chapter 12 of the ICD-10-CM Tabular List.
Yes, L49.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.