2025 ICD-10-CM Diagnosis Code E10.649

Type 1 diabetes mellitus with hypoglycemia without coma

• E10.649 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM E10.649 became effective on October 1, 2024.
• This is the American ICD-10-CM version of E10.649 – other international versions of ICD-10 E10.649 may differ.

The following code(s) above E10.649 contain annotation back-references

 that may be applicable to E10.649:

• E00-E89  Endocrine, nutritional and metabolic diseases
• E10  Type 1 diabetes mellitus
• E10.64  Type 1 diabetes mellitus with hypoglycemia

Approximate Synonyms

• Diabetes 1 with hypoglycemia unawareness
• Diabetes type 1 with hypoglycemia
• Hypoglycemia due to type 1 diabetes mellitus
• Unawareness of hypoglycemia in type 1 diabetes mellitus

ICD-10-CM E10.649 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 008 Simultaneous pancreas and kidney transplant
• 010 Pancreas transplant
• 019 Simultaneous pancreas and kidney transplant with hemodialysis
• 637 Diabetes with mcc
• 638 Diabetes with cc
• 639 Diabetes without cc/mcc

Convert E10.649 to ICD-9-CMCode 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
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Code annotations containing back-references to E10.649:

• Type 1 Excludes: E16.1, E16.2

Diagnosis Index entries containing back-references to E10.649:

• Diabetes, diabetic (mellitus) (sugar) E11.9
  • type 1E10.9
    • with
      • hypoglycemia E10.649