E09.649 vs E16.0
E09.649 (Drug or chemical induced diabetes mellitus with hypoglycemia without coma) compared with E16.0 (Drug-induced hypoglycemia without coma), 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. E16.0 carries an Excludes1 note covering E09.649: “diabetes with hypoglycemia without coma (E09.649)”
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
| E09.649Drug or chemical induced diabetes mellitus with hypoglycemia without coma | E16.0Drug-induced hypoglycemia without coma | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) |
| Definition | Drug or chemical induced diabetes mellitus with hypoglycemia without coma is a billable ICD-10-CM diagnosis code (E09.649). | Drug-induced hypoglycemia without coma is a billable ICD-10-CM diagnosis code (E16.0). |
| Use additional code | code for hypoglycemia level, if applicable (E16.A-) code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code to identify control using: | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code for hypoglycemia level, if applicable (E16.A-) |
| Code first | poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources