BMI ICD-10-CM Codes

What ICD-10 Codes are Used for BMI 

Z68.1 

This code signifies a BMI below 20, which indicates being underweight. Individuals with a BMI under 20 may face an elevated risk of health issues, including malnutrition and osteoporosis. 

Z68.20 

This ICD 10 code for BMI corresponds to a falling within the 20.0-20.9 range, categorized as a normal weight. Maintaining a normal weight, as indicated by this BMI range, can reduce the risk of various chronic conditions like heart disease, stroke, and type 2 diabetes.

Z68.21 

This is one of the BMI ICD Codes. It designates a BMI in the 21.0-21.9 range, also classified as normal weight. Refer to the description for Z68.20, as the health considerations and recommendations are the same for this BMI range.

Z68.22 

This code indicates a BMI within the 22.0-22.9 range, which signifies normal weight. The information provided for Z68.20 applies to this BMI range as well.

Z68.30 

This ICD 10 BMI code represents a BMI ranging from 30.0 to 30.9, indicating obesity. Obesity is a significant risk factor for various chronic health conditions, including heart disease, stroke, type 2 diabetes, and cancer.

Z68.31 

This BMI ICD 10 code denotes a falling between 31.0 and 31.9, categorizing it as obese. Like the previous description, individuals with a BMI in this range are considered obese and should seek medical guidance to address this condition.

Which BMI ICD codes are Billable: 

• Z68.1: Yes
• Z68.20: Yes
• Z68.21: Yes
• Z68.22: Yes
• Z68.30: Yes
• Z68.31: Yes

Clinical Information

• Body mass index (BMI) assesses body fat using weight and height, categorizing individuals as underweight (BMI < 18.5), normal weight (BMI 18.5-24.9), overweight (BMI 25-29.9), or obese (BMI ≥ 30).
• While BMI is a helpful screening tool for weight-related health concerns, it may not accurately reflect body fat, especially for highly muscular individuals.
• Clinical implications of BMI: BMI ≥ 25 raises the risk of chronic conditions (e.g., heart disease, diabetes), and BMI ≥ 30 signifies obesity, increasing these risks further.
• A BMI < 18.5 indicates being underweight and carries potential health risks like malnutrition and osteoporosis.
• If your BMI is ≥ 25, consult a doctor for weight management strategies. Even modest weight loss can have significant health benefits.
• Safe weight loss tips: Prioritize a balanced diet rich in fruits, vegetables, and whole grains, regularly 30-minute exercise sessions most days, and make gradual, sustainable lifestyle changes.

Synonyms Include:

• body mass index
• weight-for-height index
• Quetelet index
• body adiposity index
• corpulence index
• fat mass index
• ponderal index
• weight index
• adiposity index