2025
ICD-10-CM
Diagnosis
Code

E13 Other specified diabetes mellitus

  • Non-billable
  • 2016–2025

E13 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other specified diabetes mellitus.

Includes

  • Diabetes mellitus due to genetic defects of beta-cell function

  • Diabetes mellitus due to genetic defects in insulin action

  • Postpancreatectomy diabetes mellitus

  • Postprocedural diabetes mellitus

  • Secondary diabetes mellitus NEC

Use additional code

  • 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)

Type 1 excludes

  • 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.-)

Codes

Versions

  1. 2025

    Code changed

    • Use additional code

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

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    Code changed

    • Type 1 excludes

        • 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.-)
        • type 2 diabetes mellitus (E11.-)
        • 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.-)

  9. 2017

    Code changed

    • Type 1 excludes

        • 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 2 diabetes mellitus (E11.-)
        • 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.-)
        • type 2 diabetes mellitus (E11.-)

    • Use additional code

        • code to identify any insulin use (Z79.4)
        • code to identify control using:
        • insulin (Z79.4)
        • oral antidiabetic drugs (Z79.84)
        • oral hypoglycemic drugs (Z79.84)

  10. 2016

    New code