Here is an answer from coding clinic (If like most physician coders, you don't have access to Coding Clinic, see
http://www.ahacentraloffice.org/PDF...ClinicICD10CMWebinarFinalSlidesJune182014.pdf)
Diabetic Ketoacidosis
• Life-threatening complication of diabetes occurring when
the body produces high levels of ketones (blood acids)
– Commonly affects patients with type 1 diabetes
mellitus
– Ketoacidosis signifies uncontrolled diabetes
(hyperglycemia)
– An additional diabetic code for hyperglycemia is not
assigned
– Assign code E10.10, Type 1 diabetes mellitus with
ketoacidosis without coma
Coding Clinic, Third Quarter 2013, page 20
Copyright (c) 2014 by American Hospital Association. All rights reserved. 46
Diabetes Mellitus Type 2 with
Ketoacidosis
• Diabetic ketoacidosis commonly affects type 1 diabetics
• However can affect type 2 diabetics
• Currently ICD-10-CM does not provide a specific code for type 2 diabetic ketoacidosis
• Assign code E13.10, Other specified diabetes mellitus with ketoacidosis without coma
• Clinically more important to identify the fact that the patient has ketoacidosis
Coding Clinic, First Quarter 2013, pages 26‐27