R59.1
Billable codeGeneralized enlarged lymph nodes
The ICD-10 code for generalized enlarged lymph nodes is R59.1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Lymphadenopathy NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- R59.0Localized enlarged lymph nodes
- R59.9Enlarged lymph nodes, unspecified
- R59.1Generalized enlarged lymph nodes
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7856Approximate match
Associated MS-DRGs
R59.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.