2019 ICD-10-CM Diagnosis Code E11.9

Type 2 diabetes mellitus without complications

    2016 2017 2018 2019 Billable/Specific Code Questionable As Admission Dx
  • E11.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM E11.9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of E11.9 - other international versions of ICD-10 E11.9 may differ.
ICD-10-CM Coding Rules
  • E11.9 is not usually sufficient justification for admission to an acute care hospital when used a principal diagnosis.
The following code(s) above E11.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to E11.9:
  • E00-E89
    2019 ICD-10-CM Range E00-E89

    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.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E11
    ICD-10-CM Diagnosis Code E11

    Type 2 diabetes mellitus

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    • diabetes (mellitus) due to insulin secretory defect
    • diabetes NOS
    • insulin resistant diabetes (mellitus)
    Type 1 Excludes
    • diabetes mellitus due to underlying condition (E08.-)
    • drug or chemical induced diabetes mellitus (E09.-)
    • 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.-)
    Use Additional
    • code to identify control using:
    • insulin (Z79.4)
    • oral antidiabetic drugs (Z79.84)
    • oral hypoglycemic drugs (Z79.84)
    Type 2 diabetes mellitus
Approximate Synonyms
  • Diabetes in pregnancy
  • Diabetes mellitus diet education done
  • Diabetes mellitus in the puerperium - baby delivered during current episode of care
  • Diabetes mellitus type 2
  • Diabetes mellitus type 2 without retinopathy
  • Diabetes type 2
  • Diabetes type 2 controlled with diet
  • Diabetes type 2 on insulin
  • Diabetes type 2, uncomplicated
  • Diabetes type 2, without retinopathy
  • Diabetic foot exam
  • Diabetic foot exam done
  • Dietary diabetic patient education
  • Gestational diabetes mellitus
  • Insulin treated type 2 diabetes mellitus
  • Insulin-treated non-insulin-dependent diabetes mellitus
  • Maturity onset diabetes mellitus in young
  • Maturity onset diabetes of youth
  • Maturity-onset diabetes of the young
  • Nutrition therapy for diabetes type 2 done
  • Nutritional therapy for diabetes mellitus type 2
  • Postpartum (after pregnancy) diabetes
  • Preexisting diabetes mellitus during postpartum
  • Preexisting diabetes postpartum (after childbirth)
  • Type 2 diabetes mellitus
  • Type 2 diabetes mellitus controlled by diet
  • Type 2 diabetes mellitus without complication
  • Type ii diabetes mellitus without complication
ICD-10-CM E11.9 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 008 Simultaneous pancreas and kidney transplant
  • 010 Pancreas transplant
  • 637 Diabetes with mcc
  • 638 Diabetes with cc
  • 639 Diabetes without cc/mcc

Convert E11.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to E11.9:

ICD-10-CM Codes Adjacent To E11.9
E11.628 Type 2 diabetes mellitus with other skin complications
E11.63 Type 2 diabetes mellitus with oral complications
E11.630 Type 2 diabetes mellitus with periodontal disease
E11.638 Type 2 diabetes mellitus with other oral complications
E11.64 Type 2 diabetes mellitus with hypoglycemia
E11.641 …… with coma
E11.649 …… without coma
E11.65 Type 2 diabetes mellitus with hyperglycemia
E11.69 Type 2 diabetes mellitus with other specified complication
E11.8 Type 2 diabetes mellitus with unspecified complications
E11.9 Type 2 diabetes mellitus without complications
E13 Other specified diabetes mellitus
E13.0 Other specified diabetes mellitus with hyperosmolarity
E13.00 …… without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)
E13.01 …… with coma
E13.1 Other specified diabetes mellitus with ketoacidosis
E13.10 …… without coma
E13.11 …… with coma
E13.2 Other specified diabetes mellitus with kidney complications
E13.21 Other specified diabetes mellitus with diabetic nephropathy
E13.22 Other specified diabetes mellitus with diabetic chronic kidney disease

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.