What does ICD-10 code E10.64 mean?

ICD-10 code E10.64 is the standardized code used for type 1 diabetes mellitus with hypoglycemia in medical records and coding systems.

When is ICD-10 code E10.64 used?

Doctors, hospitals, and insurers may use ICD-10 code E10.64 when recording type 1 diabetes mellitus with hypoglycemia in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code E10.64 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code E10.64: Type 1 diabetes mellitus with hypoglycemia

Name: ICD-10 Code E10.64: Type 1 diabetes mellitus with hypoglycemia
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:04:56.957Z

E10.64 is an ICD-10 diagnosis entry used to group records related to Type 1 diabetes mellitus with hypoglycemia. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

When is it used?

May be used when a clinician documents type 1 diabetes mellitus with hypoglycemia in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

4Endocrine, nutritional and metabolic diseases (E00-E89)

block

E08-E13Diabetes mellitus

Official coding notes

Applicable to

code for hypoglycemia level, if applicable (E16.A-)

Use additional code

code for hypoglycemia level, if applicable (E16.A-)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

EndocrinologistGeneral Physician

Related tests

Hemoglobin A1c

Commonly used to review longer-term glycemic control in diabetes care.

Fasting blood glucose

May help assess fasting glucose levels in diabetes evaluation and follow-up.

Urine albumin creatinine ratio

Often reviewed when screening for diabetic kidney involvement.

Related procedures

Diabetic retinal exam

Commonly part of diabetes complication screening and follow-up pathways.

Diabetic foot examination

Often used in routine diabetes care to review neuropathy and ulcer risk.

Medical nutrition therapy

May appear in care pathways for diabetes education and ongoing management.

Sibling codes

E10.61Type 1 diabetes mellitus with diabetic arthropathy E10.62Type 1 diabetes mellitus with skin complications E10.63Type 1 diabetes mellitus with oral complications E10.65Type 1 diabetes mellitus with hyperglycemiabillable E10.69Type 1 diabetes mellitus with other specified complicationbillable

Coding guidelines

Common synonyms

Type 1 diabetes mellitus with hypoglycemia

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.