The ICD-9-CM consists of:
Prediabetes is defined as an abnormal blood glucose level, an elevated A1c level, or an abnormal glucose tolerance test. Thus R73.01, R73.02 or R73.09 would all be appropriate depending on which test is being used to justify the diagnosis of prediabetes.
Coding in ICD-9-CM
Its corresponding ICD-9 code is 250.
Diabetes mellitus due to underlying condition without complications. E08. 9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM E08.
Type 1 diabetes codes were considered to be: ICD-9 250. x1, ICD-9 250. x3, and ICD-10 E10.
You would assign ICD-10 code Z13. 1, Encounter for screening for diabetes mellitus. This code can be found under “Screening” in the Alphabetical Index of the ICD-10 book.
ICD-10 code E11. 9 for Type 2 diabetes mellitus without complications is a medical classification as listed by WHO under the range - Endocrine, nutritional and metabolic diseases .
The main difference between the type 1 and type 2 diabetes is that type 1 diabetes is a genetic condition that often shows up early in life, and type 2 is mainly lifestyle-related and develops over time. With type 1 diabetes, your immune system is attacking and destroying the insulin-producing cells in your pancreas.
ICD-9-CM Diagnosis Code 790.29 : Other abnormal glucose.
ICD-10 code R73. 9 for Hyperglycemia, unspecified is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified .
In ICD-9, essential hypertension was coded using 401.0 (malignant), 401.1 (benign), or 401.9 (unspecified). ICD-10 uses only a single code for individuals who meet criteria for hypertension and do not have comorbid heart or kidney disease. That code is I10, Essential (primary) hypertension.
5A11 Type 2 diabetes mellitus - ICD-11 MMS.
The ICD-10 code for prediabetes is R73. 09.
Z79. 4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM Z79. 4 became effective on October 1, 2021.
For gestational diabetes (diabetes that occurs during pregnancy) women should be assigned a code under the 024.4 subheading and not any other codes under the 024 category.
If the type of diabetes that the patient has is not documented in the medical record, E11 codes for type 2 diabetes should be used as a default. If the medical record doesn’t say what type of diabetes the patient has but indicates that the patient uses insulin, the Type 2 diabetes codes should also be used.
The “unspecified” codes can be used when not enough information is known to give a more specific diagnosis; in that case, “unspecified” is technically more accurate than a more specific but as yet unconfirmed diagnosis. For more guidelines on using ICD-10 codes for diabetes mellitus, you can consult this document.