R59
Non-billableEnlarged lymph nodes
Enlarged lymph nodes
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- swollen glands
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(51)
UMLS
- Enlarged lymph nodesC4282165
- Enlarged lymph nodes, unspecifiedC4282165
- Enlargement of lymph nodesC4282165
- Glands swollenC4282165
- Lymph nodes enlargedC4282165
- Swollen GlandsC4282165
- Swollen Lymph NodeC4282165
- Swollen glandsC4282165
- Swollen lymph nodesC4282165
- adenopathiesC4282165
- adenopathyC4282165
- enlarged glandC4282165
- enlarged glandsC4282165
- enlarged lymph nodeC4282165
- enlarged lymph nodesC4282165
- enlargement lymph nodeC4282165
- enlargement lymph nodesC4282165
- enlargement of lymph nodesC4282165
- enlargements lymph nodeC4282165
- gland lymph swollenC4282165
- gland swollenC4282165
- glands enlargedC4282165
- glands lymph node swollenC4282165
- glands lymph nodes swollenC4282165
- glands lymph swollenC4282165
- glands lymphs swollenC4282165
- glands swollenC4282165
- lymph enlarged nodesC4282165
- lymph gland swollenC4282165
- lymph gland/nodes swollenC4282165
- lymph glands swollenC4282165
- lymph node swellingC4282165
- lymph node swollenC4282165
- lymph nodes enlargedC4282165
- lymph nodes enlargementC4282165
- lymph nodes swellC4282165
- lymph nodes swellingC4282165
- lymph nodes swollenC4282165
- lymph swollen glandsC4282165
- lymph swollen nodeC4282165
- lymph swollen nodesC4282165
- lymphadenopathyC4282165
- swelling lymph nodeC4282165
- swelling lymph nodesC4282165
- swelling of lymph nodesC4282165
- swollen glandC4282165
- swollen glandsC4282165
- swollen lymph glandC4282165
- swollen lymph glandsC4282165
- swollen lymph nodeC4282165
- swollen lymph nodesC4282165
Frequently Asked Questions
What is the ICD-10 code for enlarged lymph nodes?
The ICD-10-CM code for enlarged lymph nodes is R59. The full clinical description is "Enlarged lymph nodes". R59 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code R59 mean?
ICD-10-CM code R59 represents “Enlarged lymph nodes”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.
Is R59 a billable code?
No, R59 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under R59.
What chapter is R59 in?
R59 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R59?
R59 has Excludes1 notes indicating codes that cannot be used together with it, including: lymphadenitis NOS (I88.9); acute lymphadenitis (L04.-); chronic lymphadenitis (I88.1); and 1 more.
What are the subcategories under R59?
R59 has 3 child codes, including: R59.0 (Localized enlarged lymph nodes), R59.1 (Generalized enlarged lymph nodes), R59.9 (Enlarged lymph nodes, unspecified).
What are the UMLS CUIs for R59?
R59 is linked to 1 UMLS Concept Unique Identifier: C4282165. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R59 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like enlarged lymph nodes affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R59?
R59 maps to the ICD-11 code: MA01.Z (Enlarged lymph nodes, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.