Alphabetic Index FY2027

E09.65

Drug or chemical induced diabetes mellitus with hyperglycemia

FY2027Chapter 4: Endocrine, nutritional and metabolic diseases/E08–E13 Diabetes mellitus

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Endocrine

E09.65 (also written E0965) is a billable ICD-10-CM diagnosis code for drug or chemical induced diabetes mellitus with hyperglycemia. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 86 codes in category E09 (Drug or chemical induced diabetes mellitus). The Alphabetic Index lists it under 1 entry. Its coding notes include a Code first instruction, a Use additional code instruction and 9 Excludes1 entries.

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Diabetes codes combine the type, the body system and the complication, and as many codes as needed are assigned to describe all complications.

Guidelines I.C.4.aDiabetes: combination codesRead the official text

Secondary diabetes is always caused by another condition or event. Sequencing with the cause follows the Tabular List instructions.

Guidelines I.C.4.a.6Secondary diabetes mellitusRead the official text

Code first

If the underlying condition listed here is present and known, sequence it first.

Inherited from E09 Drug or chemical induced diabetes mellitus
  • poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

Add the listed code as a secondary code, if known.

Inherited from E09 Drug or chemical induced diabetes mellitus
  • 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)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from E09 Drug or chemical induced diabetes mellitus
  • 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.-)
Also from chapter/block level (1 note)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Endocrine clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry