E08 vs E87.0
E08 (Diabetes mellitus due to underlying condition) compared with E87.0 (Hyperosmolality and hypernatremia), 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. E87.0 carries an Excludes2 note covering E08: “diabetes with hyperosmolarity (E08, E09, E11, E13 with final characters .00 or .01)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| E08Diabetes mellitus due to underlying condition | E87.0Hyperosmolality and hypernatremia | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) |
| Definition | Diabetes mellitus due to underlying condition is a non-billable ICD-10-CM category code (E08). | Hyperosmolality and hypernatremia is a billable ICD-10-CM diagnosis code (E87.0). |
| Includes | — | Sodium [Na] excess Sodium [Na] overload |
| Use additional code | code to identify control using: injectable non-insulin antidiabetic drugs (Z79.85) insulin (Z79.4) | — |
| Code first | the underlying condition, such as: congenital rubella (P35.0) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources