Billable / Specific Code
ICD-10-CM L04.2 is the diagnosis code for Acute lymphadenitis of upper limb. This code falls under the section "Infections of the skin and subcutaneous tissue" 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.
Understanding where L04.2 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, L04.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
L04.2 is the ICD-10-CM diagnosis code for "Acute lymphadenitis of upper limb". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of L04.2 is L04 ("Acute lymphadenitis"). L04.2 provides a more specific classification within this category.
L04.2 is located in Section L00-L08 — "Infections of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.
Use L04.2 when the patients documented diagnosis matches "Acute lymphadenitis of upper limb" 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 Acute lymphadenitis of upper limb is L04.2.
Yes, L04.2 can be used as a primary diagnosis code since it is billable and specific.
L04.2 is in Chapter 12 of the ICD-10-CM Tabular List.
Yes, L04.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.