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ICD-10-CM Code R59.1
Generalized enlarged lymph nodes

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

R59.1 is a billable ICD code used to specify a diagnosis of generalized enlarged lymph nodes. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code R591 is used to code Lymphadenopathy

Lymphadenopathy or lymphadenitis refers to lymph nodes which are abnormal in size, number or consistency and is often used as a synonym for swollen or enlarged lymph nodes. Common causes of lymphadenopathy are infection, autoimmune disease, or malignancy.

Specialty: Infectious Disease
MeSH Codes: D008206, D008206, D008206, D008206, D008206
ICD 9 Codes: 289.1, 289.2, 289.3, 683, 785.6

Neck lymphadenopathy associated with infectious mononucleosis

Source: Wikipedia

Coding Notes for R59.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Lymphadenopathy NOS

MS-DRG Mapping

  • DRG Group #814-816 - Reticuloendothelial and immunity disorders with MCC.
  • DRG Group #814-816 - Reticuloendothelial and immunity disorders with CC.
  • DRG Group #814-816 - Reticuloendothelial and immunity disorders without CC or MCC.

ICD-10-CM Alphabetical Index References for 'R59.1 - Generalized enlarged lymph nodes'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R59.1. Click on any term below to browse the alphabetical index.

Lymphadenopathy(generalized) (R59.1)
Lymphadenosis (R59.1)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Enlargement of lymph nodes (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code R59.1 and a single ICD9 code, 785.6 is an approximate match for comparison and conversion purposes.


Parent Code: R59 - Enlarged lymph nodes

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R591