E13.65 — Other specified diabetes mellitus with hyperglycemia

BillableUnspecified

Is E13.65 billable?

Yes, but E13.65 is an unspecified code. E13.65 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, E13.65 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting E13.65 — the more specific alternatives are listed below.

More specific alternatives

E13.65 at a glance

Code	E13.65
Description	Other specified diabetes mellitus with hyperglycemia
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does E13.65 group to?

E13.65 sits in MDC Pre and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

008Simultaneous Pancreas, Islet Cell and Kidney Transplantsurgical

How is E13.65 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to E13.65. They show the wording a clinician may have documented, which often differs from the Tabular description.

Diabetes, diabetic › specified type NEC › with › hyperglycemia (mellitus) (sugar)

Excludes1 — never code together — inherited from Chapter 4

The conditions below can never be reported together with E13.65 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 E13

The conditions below can never be reported together with E13.65 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 autoimmune process (E10.-)
diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
diabetes mellitus due to underlying condition (E08.-)
drug or chemical induced diabetes mellitus (E09.-)
gestational diabetes (O24.4-)
neonatal diabetes mellitus (P70.2)
type 1 diabetes mellitus (E10.-)

Use additional code — inherited from E13

Report an additional code alongside E13.65 to fully describe the condition. E13.65 is sequenced first.

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 E13.65 existed?

E13.65 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.