E09.9 — Drug or chemical induced diabetes mellitus without complications

Billable

Is E09.9 billable?

Yes — E09.9 is billable for FY2027. E09.9 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. E09.9 may be submitted for encounters from October 1, 2026 through September 30, 2027.

E09.9 at a glance

Code	E09.9
Description	Drug or chemical induced diabetes mellitus without complications
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does E09.9 group to?

E09.9 sits in MDC 10 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

637Diabetes with MCCmedical
638Diabetes with CCmedical
639Diabetes without CC/MCCmedical

How is E09.9 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to E09.9. They show the wording a clinician may have documented, which often differs from the Tabular description.

Diabetes, diabetic › due to drug or chemical (mellitus) (sugar)

Excludes1 — never code together — inherited from Chapter 4

The conditions below can never be reported together with E09.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes1 — never code together — inherited from E09

The conditions below can never be reported together with E09.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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 — inherited from E09

The underlying condition below must be sequenced before E09.9. E09.9 describes a manifestation and cannot be the principal or first-listed diagnosis.

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

Use additional code — inherited from E09

Report an additional code alongside E09.9 to fully describe the condition. E09.9 is sequenced first.

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)

How long has E09.9 existed?

E09.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to E09.9?

ICD-10 code for Diabetes