DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

E11.9 diagnosis code · Billable code · FY2027

E11.9 Type 2 diabetes mellitus without complications

  • Billable
  • Not CC/MCC
  • HCC 38
  • POA reported

E11.9 ICD-10 code: a billable diagnosis code in FY2027, one of 87 billable codes in category E11.

CC / MCC
Neither
MS-DRG
637-639
HCC V28
38
POA
Reported
Code Editor
Questionable adm.
Index entries
2

Instructions

At E11.9

Excludes1

  • type 2 diabetes mellitus, without complications in remission (E11.A) E11.A

Notes that also apply

Includes from E11

  • diabetes (mellitus) due to insulin secretory defect
  • diabetes NOS
  • insulin resistant diabetes (mellitus)

Excludes1 from E11

  • diabetes mellitus due to underlying condition (E08.-) E08
  • drug or chemical induced diabetes mellitus (E09.-) E09
  • gestational diabetes (O24.4-) O24.4
  • neonatal diabetes mellitus (P70.2) P70.2
  • postpancreatectomy diabetes mellitus (E13.-) E13
  • postprocedural diabetes mellitus (E13.-) E13
  • secondary diabetes mellitus NEC (E13.-) E13
  • type 1 diabetes mellitus (E10.-) E10

Use additional code from E11

  • code to identify control using:
  • injectable non-insulin antidiabetic drugs (Z79.85) Z79.85
  • insulin (Z79.4) Z79.4
  • oral antidiabetic drugs (Z79.84) Z79.84
  • oral hypoglycemic drugs (Z79.84) Z79.84

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Diabetes, diabetic (mellitus) (sugar) → E11.9
  • Diabetes, diabetic (mellitus) (sugar)type 2 → E11.9

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for E11.9
CC / MCCNeither
Appendix BMDC 10 Endocrine, Nutritional and Metabolic Diseases and Disorders, MS-DRG 637-639 (Diabetes with MCC…)
Code EditorQuestionable admission when principal diagnosis
POAReported
HCC V28HCC 38 Diabetes with Glycemic, Unspecified, or No Complications

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy