ICD-10 Guide

Hyperglycemic Crisis

ICD-10 Coding for Hyperglycemic Crisis(E11.01, E11.10)

PRIMARY SPECIALTYEmergency Medicine

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Hyperglycemic Crisis?

Essential facts and insights about Hyperglycemic Crisis

Key Clinical Considerations:

Elevated blood glucose levels (typically > 250 mg/dL)
Symptoms of polyuria, polydipsia, nausea, vomiting, abdominal pain, and altered mental status
Signs of dehydration, tachycardia, and hypotension

Clinical Information

Clinical Criteria & Documentation Requirements

Patient's blood glucose levels and symptoms documented
Specific terminology such as 'hyperglycemic crisis' or 'diabetic ketoacidosis' used
Examples include noting the presence of ketones in urine or blood

Coding Guidelines

Usage Guidelines & Examples

Usage guidelines emphasize the need for specificity in coding the type of diabetes and crisis.
Common errors include using non-specific codes or failing to document the acute nature of the condition.

Code Exclusions

Important Exclusions

Hypoglycemic crisis and other acute metabolic derangements
Alternative codes for chronic complications of diabetes

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

Patients with diabetes mellitus, particularly those with poor glycemic control
Emergency departments and urgent care settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document blood glucose levels, symptoms, and treatment provided.

Billing considerations?

Ensure accurate coding to reflect the severity and type of hyperglycemic crisis.

Hyperglycemic Crisis

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Hyperglycemic Crisis

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?