2026
ICD-10-CM
Diagnosis
Code

R59 Enlarged lymph nodes

Non-billable
2016–2026

R59 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Enlarged lymph nodes.

Includes

Swollen glands

Type 1 excludes

Lymphadenitis NOS (I88.9)
Acute lymphadenitis (L04.-)
Chronic lymphadenitis (I88.1)
Mesenteric (acute) (chronic) lymphadenitis (I88.0)

Codes

Versions

2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code