E09 – Drug or chemical induced diabetes mellitus

ICD-10-CM 2027 diagnosis code · Diabetes mellitus

Non-billable header

ICD-10-CM code E09

Code: E09 (claims format: E09)
Description: Drug or chemical induced diabetes mellitus
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E08-E13 Diabetes mellitus

Billable codes under E09

E09 is a header code and cannot be used on claims. Choose the most specific code:

E09.0 – Drug or chemical induced diabetes mellitus with hyperosmolarityHeader (more codes below)
E09.1 – Drug or chemical induced diabetes mellitus with ketoacidosisHeader (more codes below)
E09.2 – Drug or chemical induced diabetes mellitus with kidney complicationsHeader (more codes below)
E09.3 – Drug or chemical induced diabetes mellitus with ophthalmic complicationsHeader (more codes below)
E09.4 – Drug or chemical induced diabetes mellitus with neurological complicationsHeader (more codes below)
E09.5 – Drug or chemical induced diabetes mellitus with circulatory complicationsHeader (more codes below)
E09.6 – Drug or chemical induced diabetes mellitus with other specified complicationsHeader (more codes below)
E09.8 – Drug or chemical induced diabetes mellitus with unspecified complicationsBillable
E09.9 – Drug or chemical induced diabetes mellitus without complicationsBillable

Notes for E09

Excludes1 (not coded here):

diabetes mellitus due to underlying condition (E08.-)
gestational diabetes (O24.4-)
neonatal diabetes mellitus (P70.2)
postpancreatectomy diabetes mellitus (E13.-)
postprocedural diabetes mellitus (E13.-)
secondary diabetes mellitus NEC (E13.-)
type 1 diabetes mellitus (E10.-)
type 2 diabetes mellitus (E11.-)

Code first:

poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
code to identify control using:
injectable non-insulin antidiabetic drugs (Z79.85)
insulin (Z79.4)
oral antidiabetic drugs (Z79.84)
oral hypoglycemic drugs (Z79.84)

Frequently asked questions

What is ICD-10 code E09?

E09 is the ICD-10-CM code for drug or chemical induced diabetes mellitus, in the block E08-E13 (Diabetes mellitus).

Is E09 a billable code?

No. E09 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.