- R59.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM R59.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of R59.1 – other international versions of ICD-10 R59.1 may differ.
ICD-10-CM R59.1 is grouped within Diagnostic Related Group(s):
- 814 Reticuloendothelial and immunity disorders with mcc
- 815 Reticuloendothelial and immunity disorders with cc
- 816 Reticuloendothelial and immunity disorders without cc/mcc
Applicable To
- Lymphadenopathy NOS
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to R59.1:
- generalized > Adenopathy (lymph gland) R59.9
- generalized > lymph gland or node R59.9
- generalized > gland, glandular R59.9
- generalized > lymph, lymphatic gland R59.9
- generalized > glands R59.9