ICD-10-CM Code For Enlarged Lymph Nodes: Group Overview
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R59 includes diagnoses for enlarged lymph nodes, including regional and generalized lymphadenopathy and unspecified lymph node enlargement, covering presentations from localized to systemic lymph node enlargement. These ICD-10-CM diagnosis codes are used to document clinical findings of lymph node enlargement, capturing location, extent, and whether the finding is specified or unspecified. Accurate coding within the ICD-10-CM R59 group supports proper claim adjudication.
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ICD-10-CM R59: Enlarged Lymph Nodes Overview
The diagnoses in the ICD-10-CM R59 group represent enlargement of lymph nodes (lymphadenopathy) detected in various anatomic regions and as generalized lymphadenopathy. These codes target the lymphatic system and are used when enlargement is a presenting sign rather than a confirmed underlying malignant or infectious cause. Accurate coding matters for correct claim adjudication and to ensure clinical records reflect the extent and location of lymph node involvement.