ICD10BillableValid for clinical use

ICD-10 Code E08.649: Diabetes mellitus due to underlying condition with hypoglycemia without coma

E08.649 is a billable ICD-10 diagnosis code used to classify Diabetes mellitus due to underlying condition with hypoglycemia without coma in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 diabetes mellitus due to underlying condition with hypoglycemia without coma in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

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.

Code hierarchy

chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E08-E13Diabetes mellitus
category
E08Diabetes mellitus due to underlying condition
category
E08.6Diabetes mellitus due to underlying condition with other specified complications
category
E08.64Diabetes mellitus due to underlying condition with hypoglycemia
currentE08.64

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

EndocrinologistGeneral Physician

Coverage-related procedures and services

CPT 0446Thigh
CREATION OF SUBCUTANEOUS POCKET WITH INSERTION OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR, INCLUDING SYSTEM ACTIVATION AND PATIENT TRAINING
Source: CMS coverage guidance
CPT 0448Thigh
REMOVAL OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR WITH CREATION OF SUBCUTANEOUS POCKET AT DIFFERENT ANATOMIC SITE AND INSERTION OF NEW IMPLANTABLE SENSOR, INCLUDING SYSTEM ACTIVATION
Source: CMS coverage guidance
CPT 0447Thigh
REMOVAL OF IMPLANTABLE INTERSTITIAL GLUCOSE SENSOR FROM SUBCUTANEOUS POCKET VIA INCISION
Source: CMS coverage guidance
CPT 11720high
DEBRIDEMENT OF NAIL(S) BY ANY METHOD(S); 1 TO 5
Source: CMS coverage guidance
CPT 11721high
DEBRIDEMENT OF NAIL(S) BY ANY METHOD(S); 6 OR MORE
Source: CMS coverage guidance
CPT 11056high
PARING OR CUTTING OF BENIGN HYPERKERATOTIC LESION (EG, CORN OR CALLUS); 2 TO 4 LESIONS
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Diabetes mellitus due to underlying condition with hypoglycemia without coma

Frequently asked questions

Code details

CodeE08.649
SystemICD10
Display nameDiabetes mellitus due to underlying condition with hypoglycemia without coma
ChapterEndocrine, nutritional and metabolic diseases (E00-E89)
BlockDiabetes mellitus

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Diabetes, diabetic(mellitus) (sugar)

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.

ICD-10 Code E08.649 for Diabetes mellitus due to underlying condition with hypoglycemia without coma | HealthAssure