D59.3 vs N18.31
D59.3 (Hemolytic-uremic syndrome) compared with N18.31 (Chronic kidney disease, stage 3a), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. N18.31 carries an Excludes2 note covering D59.3: “hemolytic-uremic syndrome (D59.3-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| D59.3Hemolytic-uremic syndrome | N18.31Chronic kidney disease, stage 3a | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Hemolytic-uremic syndrome is a non-billable ICD-10-CM category code (D59.3). | Chronic kidney disease, stage 3a is a billable ICD-10-CM diagnosis code (N18.31). |
| Use additional code | — | code, if applicable, to identify: associated cachexia (E88.A) kidney transplant status (Z94.0) |
| Code first | — | any associated: diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources