I89 vs R59
I89 (Other noninfective disorders of lymphatic vessels and lymph nodes) compared with R59 (Enlarged lymph nodes), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. I89 carries an Excludes1 note covering R59: “enlarged lymph nodes NOS (R59.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| I89Other noninfective disorders of lymphatic vessels and lymph nodes | R59Enlarged lymph nodes | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Other noninfective disorders of lymphatic vessels and lymph nodes is a non-billable ICD-10-CM category code (I89). | Enlarged lymph nodes is a non-billable ICD-10-CM category code (R59). |
| Includes | — | swollen glands |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources