ICD-10: R73.01

Impaired fasting glucose

Clinical Information

Inclusion Terms

  • Elevated fasting glucose

Additional Information

Description

Impaired fasting glucose (IFG) is a clinical condition characterized by elevated blood glucose levels after fasting, which is indicative of a higher risk for developing type 2 diabetes and cardiovascular diseases. The ICD-10-CM code for this condition is R73.01.

Clinical Description of Impaired Fasting Glucose

Definition

Impaired fasting glucose is defined as a fasting plasma glucose level that is higher than normal but not high enough to be classified as diabetes. Specifically, it is diagnosed when fasting blood glucose levels range from 100 mg/dL (5.6 mmol/L) to 125 mg/dL (6.9 mmol/L) [1][2]. This condition is often considered a precursor to diabetes and is part of the broader category of prediabetes.

Pathophysiology

The underlying mechanism of impaired fasting glucose involves insulin resistance, where the body's cells do not respond effectively to insulin, leading to increased glucose levels in the bloodstream. Factors contributing to this condition include obesity, sedentary lifestyle, genetic predisposition, and metabolic syndrome [3][4].

Risk Factors

Several risk factors are associated with impaired fasting glucose, including:
- Obesity: Excess body weight, particularly around the abdomen, increases the risk of insulin resistance.
- Physical Inactivity: A sedentary lifestyle contributes to weight gain and insulin resistance.
- Age: The risk of developing IFG increases with age, particularly after 45 years.
- Family History: A family history of diabetes can increase the likelihood of developing IFG.
- Ethnicity: Certain ethnic groups, such as African Americans, Hispanic Americans, and Native Americans, are at higher risk [5][6].

Symptoms

Impaired fasting glucose typically does not present with overt symptoms. However, individuals may experience signs related to insulin resistance, such as:
- Increased thirst
- Frequent urination
- Fatigue
- Blurred vision

These symptoms are often subtle and may not be recognized until blood glucose levels are tested [7].

Diagnosis

The diagnosis of impaired fasting glucose is primarily based on blood tests. The following criteria are used:
- Fasting Plasma Glucose Test: A blood sample is taken after an overnight fast. A result of 100 to 125 mg/dL indicates IFG.
- Oral Glucose Tolerance Test (OGTT): This test measures blood glucose levels before and two hours after consuming a glucose-rich beverage. A two-hour glucose level of 140 to 199 mg/dL also indicates prediabetes [8].

Management and Treatment

Management of impaired fasting glucose focuses on lifestyle modifications and, in some cases, medication. Key strategies include:
- Dietary Changes: Adopting a balanced diet rich in whole grains, fruits, vegetables, and lean proteins while reducing sugar and refined carbohydrates.
- Physical Activity: Engaging in regular physical activity, such as aerobic exercises and strength training, to improve insulin sensitivity.
- Weight Management: Achieving and maintaining a healthy weight can significantly reduce the risk of progressing to type 2 diabetes.
- Monitoring: Regular monitoring of blood glucose levels is essential to track progress and make necessary adjustments to the management plan [9][10].

Conclusion

Impaired fasting glucose, coded as R73.01 in the ICD-10-CM, is a critical indicator of potential metabolic dysfunction and an increased risk for diabetes. Early identification and intervention through lifestyle changes can help prevent the progression to type 2 diabetes and improve overall health outcomes. Regular screening and awareness of risk factors are essential for effective management of this condition.

For further information or specific case management, healthcare providers should refer to the latest clinical guidelines and recommendations.

Clinical Information

Impaired fasting glucose (IFG), classified under ICD-10 code R73.01, is a condition characterized by elevated blood glucose levels after fasting, which is indicative of a prediabetic state. Understanding the clinical presentation, signs, symptoms, and patient characteristics associated with this condition is crucial for early detection and management.

Clinical Presentation

Definition and Diagnostic Criteria

Impaired fasting glucose is defined as a fasting plasma glucose level between 100 mg/dL (5.6 mmol/L) and 125 mg/dL (6.9 mmol/L) [1]. This condition is a significant risk factor for the development of type 2 diabetes mellitus and cardiovascular diseases.

Signs and Symptoms

Typically, IFG may not present with overt symptoms, which is why it is often identified during routine blood tests. However, some patients may experience:

  • Increased Thirst (Polydipsia): A common symptom due to elevated blood sugar levels.
  • Frequent Urination (Polyuria): Resulting from the kidneys' attempt to excrete excess glucose.
  • Fatigue: Patients may feel unusually tired or lethargic.
  • Blurred Vision: High glucose levels can affect the eye's ability to focus.
  • Headaches: Some individuals report headaches associated with fluctuating blood sugar levels.

It is important to note that many individuals with IFG may remain asymptomatic, making regular screening essential for at-risk populations [2].

Patient Characteristics

Demographics

Patients with impaired fasting glucose often share certain demographic characteristics:

  • Age: IFG is more prevalent in adults, particularly those over the age of 45, although it can occur in younger individuals, especially if they are overweight or have a family history of diabetes [3].
  • Obesity: A significant risk factor; individuals with a body mass index (BMI) of 25 or higher are at increased risk for developing IFG [4].
  • Ethnicity: Certain ethnic groups, including African Americans, Hispanic Americans, Native Americans, and some Asian Americans, are at higher risk for developing IFG and diabetes [5].

Risk Factors

Several risk factors contribute to the likelihood of developing impaired fasting glucose:

  • Family History: A family history of diabetes increases the risk of IFG.
  • Sedentary Lifestyle: Lack of physical activity is a significant contributor to weight gain and insulin resistance.
  • Unhealthy Diet: Diets high in refined carbohydrates and sugars can lead to weight gain and increased blood glucose levels.
  • Hypertension and Dyslipidemia: Individuals with high blood pressure or abnormal cholesterol levels are at greater risk for IFG [6].

Conclusion

Impaired fasting glucose (ICD-10 code R73.01) is a critical indicator of potential metabolic dysfunction and a precursor to type 2 diabetes. While it often presents without symptoms, awareness of its signs and associated patient characteristics can facilitate early diagnosis and intervention. Regular screening, particularly for at-risk populations, is essential to prevent the progression to diabetes and associated complications. Addressing lifestyle factors such as diet and physical activity can significantly impact the management and prevention of IFG and its progression to diabetes.

Approximate Synonyms

Impaired fasting glucose (IFG) is a condition characterized by elevated blood glucose levels after fasting, which can be a precursor to diabetes. The ICD-10 code R73.01 specifically designates this condition. Below are alternative names and related terms associated with R73.01:

Alternative Names for Impaired Fasting Glucose

  1. Impaired Fasting Glycemia (IFG): This term is often used interchangeably with impaired fasting glucose and refers to the same condition of elevated fasting blood sugar levels.

  2. Pre-Diabetes: While not a direct synonym, pre-diabetes encompasses conditions like impaired fasting glucose and impaired glucose tolerance, indicating a higher risk of developing type 2 diabetes.

  3. Glucose Intolerance: This broader term can include impaired fasting glucose as well as other forms of glucose metabolism abnormalities.

  4. Metabolic Syndrome: Although this term refers to a cluster of conditions that increase the risk of heart disease and diabetes, impaired fasting glucose is one of the components of metabolic syndrome.

  1. Hyperglycemia: This term refers to high blood sugar levels in general, which can include impaired fasting glucose as a specific case.

  2. Diabetes Mellitus: While impaired fasting glucose is not diabetes, it is a significant risk factor for developing diabetes mellitus, particularly type 2 diabetes.

  3. Insulin Resistance: This condition often accompanies impaired fasting glucose and refers to the body's reduced ability to respond to insulin, leading to higher blood sugar levels.

  4. Glucose Metabolism Disorders: This is a broader category that includes various conditions affecting how the body processes glucose, including impaired fasting glucose.

  5. R73.0 - Abnormal Glucose: This is a related ICD-10 code category that encompasses various glucose abnormalities, including impaired fasting glucose.

Understanding these alternative names and related terms can help in recognizing the implications of impaired fasting glucose and its role in the broader context of metabolic health and diabetes risk management.

Diagnostic Criteria

Impaired fasting glucose (IFG) is a condition that serves as a precursor to diabetes, specifically classified under the ICD-10-CM code R73.01. The diagnosis of IFG is based on specific criteria that are primarily derived from blood glucose measurements. Below, we will explore the diagnostic criteria, the significance of IFG, and the implications for patient management.

Diagnostic Criteria for Impaired Fasting Glucose

The diagnosis of impaired fasting glucose is established through the following criteria:

  1. Fasting Plasma Glucose (FPG) Levels:
    - A fasting plasma glucose level between 100 mg/dL (5.6 mmol/L) and 125 mg/dL (6.9 mmol/L) is indicative of impaired fasting glucose. This measurement must be taken after an overnight fast of at least 8 hours[2][3].

  2. Exclusion of Other Conditions:
    - It is essential to ensure that the elevated fasting glucose levels are not due to other conditions such as acute illness, medications, or stress that could temporarily affect glucose levels. A thorough patient history and clinical evaluation are necessary to rule out these factors[6].

  3. Repeat Testing:
    - If the initial test indicates IFG, it is often recommended to confirm the diagnosis with a repeat fasting glucose test on a different day. This helps to ensure accuracy and reliability in the diagnosis[5][9].

Importance of Diagnosing Impaired Fasting Glucose

Identifying impaired fasting glucose is crucial for several reasons:

  • Risk Assessment: Individuals with IFG are at a higher risk of developing type 2 diabetes and cardiovascular diseases. Early identification allows for timely intervention to prevent progression to diabetes[4][7].

  • Lifestyle Modifications: Diagnosis provides an opportunity for healthcare providers to recommend lifestyle changes, such as dietary modifications, increased physical activity, and weight management, which can significantly reduce the risk of developing diabetes[8].

  • Monitoring and Management: Patients diagnosed with IFG should be monitored regularly to track their glucose levels and overall health. This may include periodic blood tests and consultations with healthcare professionals to manage risk factors effectively[6][9].

Conclusion

The ICD-10-CM code R73.01 for impaired fasting glucose is a critical marker in the early detection of diabetes risk. By adhering to the established diagnostic criteria, healthcare providers can identify at-risk individuals and implement preventive strategies. This proactive approach not only aids in managing individual health but also contributes to broader public health efforts aimed at reducing the incidence of diabetes and its associated complications. Regular screening and patient education are essential components of effective diabetes management and prevention strategies.

Treatment Guidelines

Impaired fasting glucose (IFG), classified under ICD-10 code R73.01, is a condition characterized by elevated blood glucose levels after fasting, which indicates a higher risk of developing type 2 diabetes and cardiovascular diseases. The management of IFG typically involves lifestyle modifications, monitoring, and, in some cases, pharmacological interventions. Below is a detailed overview of standard treatment approaches for this condition.

Lifestyle Modifications

Dietary Changes

  1. Balanced Diet: Emphasizing a diet rich in whole grains, fruits, vegetables, lean proteins, and healthy fats can help manage blood glucose levels. The Mediterranean diet is often recommended due to its beneficial effects on metabolic health[1].
  2. Carbohydrate Management: Monitoring carbohydrate intake is crucial. Patients are encouraged to choose complex carbohydrates with a low glycemic index to prevent spikes in blood sugar levels[2].
  3. Portion Control: Reducing portion sizes can help in managing caloric intake and maintaining a healthy weight, which is vital for glucose control[3].

Physical Activity

  1. Regular Exercise: Engaging in at least 150 minutes of moderate-intensity aerobic activity per week, such as brisk walking or cycling, is recommended. Resistance training should also be included at least twice a week[4].
  2. Increased Daily Activity: Encouraging patients to incorporate more physical activity into their daily routines, such as taking stairs instead of elevators, can contribute to better glucose management[5].

Weight Management

  1. Weight Loss: For overweight individuals, losing 5-10% of body weight can significantly improve insulin sensitivity and lower blood glucose levels[6]. This can be achieved through a combination of dietary changes and increased physical activity.

Monitoring and Screening

Regular Blood Glucose Monitoring

  1. Self-Monitoring: Patients may be advised to regularly check their blood glucose levels at home to track their progress and make necessary adjustments to their lifestyle or treatment plan[7].
  2. Follow-Up Testing: Healthcare providers typically recommend periodic fasting blood glucose tests or HbA1c tests to monitor the patient's glucose levels and assess the risk of progression to diabetes[8].

Pharmacological Interventions

While lifestyle modifications are the cornerstone of managing IFG, pharmacological treatment may be considered in certain cases, particularly for individuals at high risk of developing type 2 diabetes.

  1. Metformin: This medication is often prescribed to individuals with IFG, especially if they have a body mass index (BMI) over 35, are under 60 years old, or have a history of gestational diabetes. Metformin helps improve insulin sensitivity and lower blood glucose levels[9].
  2. Other Medications: In some cases, other medications such as GLP-1 receptor agonists or SGLT2 inhibitors may be considered, particularly if the patient has additional risk factors or comorbidities[10].

Education and Support

Diabetes Education Programs

  1. Patient Education: Providing education about the risks associated with IFG and the importance of lifestyle changes is crucial. Programs that focus on nutrition, physical activity, and self-monitoring can empower patients to take control of their health[11].
  2. Support Groups: Encouraging participation in support groups can help patients share experiences and strategies for managing their condition, fostering a sense of community and accountability[12].

Conclusion

The management of impaired fasting glucose (ICD-10 code R73.01) primarily revolves around lifestyle modifications, regular monitoring, and, when necessary, pharmacological interventions. By adopting a balanced diet, engaging in regular physical activity, and maintaining a healthy weight, individuals can significantly reduce their risk of progressing to type 2 diabetes. Continuous education and support play a vital role in empowering patients to manage their condition effectively. Regular follow-ups with healthcare providers are essential to monitor progress and adjust treatment plans as needed.

Related Information

Description

  • Pre-diabetic state with elevated blood glucose
  • Elevated fasting plasma glucose level
  • Insulin resistance is underlying mechanism
  • Risk factors include obesity and physical inactivity
  • Age and family history increase risk
  • No overt symptoms but may cause increased thirst
  • Fasting plasma glucose test is primary diagnostic tool

Clinical Information

  • Impaired fasting glucose defined as blood sugar levels between 100-125 mg/dL
  • Increased thirst due to elevated blood sugar levels
  • Frequent urination due to excess glucose in kidneys
  • Fatigue and lethargy due to high blood sugar
  • Blurred vision due to high glucose levels affecting eyes
  • Headaches associated with fluctuating blood sugar levels
  • Age over 45 a significant risk factor for IFG
  • Obesity increases risk of developing impaired fasting glucose
  • Family history of diabetes contributes to risk of IFG
  • Lack of physical activity contributes to insulin resistance
  • Unhealthy diet high in refined carbs and sugars leads to weight gain
  • Hypertension and dyslipidemia increase risk for IFG

Approximate Synonyms

  • Impaired Fasting Glycemia (IFG)
  • Pre-Diabetes
  • Glucose Intolerance
  • Metabolic Syndrome
  • Hyperglycemia

Diagnostic Criteria

  • Fasting plasma glucose level between 100-125 mg/dL
  • Measurement after overnight fast of at least 8 hours
  • Exclusion of other conditions such as acute illness
  • Repeat testing for confirmation of diagnosis

Treatment Guidelines

  • Balanced Diet Emphasizing Whole Grains
  • Carbohydrate Management with Low Glycemic Index
  • Portion Control for Caloric Intake
  • Regular Exercise of 150 Minutes Weekly
  • Increased Daily Physical Activity
  • Weight Loss of 5-10% Body Weight
  • Self-Monitoring of Blood Glucose Levels
  • Metformin Prescription for High-Risk Individuals

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