| Z68 | Body mass index [BMI] |
| Z68.1 | Body mass index (BMI) 19 or less, adult |
| Z68.2 | Body mass index (BMI) 20-29, adult |
| Z68.20 | Body mass index (BMI) 20.0-20.9, adult |
| Z68.21 | Body mass index (BMI) 21.0-21.9, adult |
| Z68.22 | Body mass index (BMI) 22.0-22.9, adult |
| Z68.23 | Body mass index (BMI) 23.0-23.9, adult |
| Z68.24 | Body mass index (BMI) 24.0-24.9, adult |
| Z68.25 | Body mass index (BMI) 25.0-25.9, adult |
| Z68.26 | Body mass index (BMI) 26.0-26.9, adult |
| Z68.27 | Body mass index (BMI) 27.0-27.9, adult |
| Z68.28 | Body mass index (BMI) 28.0-28.9, adult |
| Z68.29 | Body mass index (BMI) 29.0-29.9, adult |
| Z68.3 | Body mass index (BMI) 30-39, adult |
| Z68.30 | Body mass index (BMI) 30.0-30.9, adult |
| Z68.31 | Body mass index (BMI) 31.0-31.9, adult |
| Z68.32 | Body mass index (BMI) 32.0-32.9, adult |
| Z68.33 | Body mass index (BMI) 33.0-33.9, adult |
| Z68.34 | Body mass index (BMI) 34.0-34.9, adult |
| Z68.35 | Body mass index (BMI) 35.0-35.9, adult |
| Z68.36 | Body mass index (BMI) 36.0-36.9, adult |
| Z68.37 | Body mass index (BMI) 37.0-37.9, adult |
| Z68.38 | Body mass index (BMI) 38.0-38.9, adult |
| Z68.39 | Body mass index (BMI) 39.0-39.9, adult |
| Z68.4 | Body mass index (BMI) 40 or greater, adult |
| Z68.41 | Body mass index (BMI) 40.0-44.9, adult |
| Z68.42 | Body mass index (BMI) 45.0-49.9, adult |
| Z68.43 | Body mass index (BMI) 50-59.9 , adult |
| Z68.44 | Body mass index (BMI) 60.0-69.9, adult |
| Z68.45 | Body mass index (BMI) 70 or greater, adult |
| Z68.5 | Body mass index (BMI) pediatric |
| Z68.51 | Body mass index (BMI) pediatric, less than 5th percentile for age |
| Z68.52 | Body mass index (BMI) pediatric, 5th percentile to less than 85th percentile for age |
| Z68.53 | Body mass index (BMI) pediatric, 85th percentile to less than 95th percentile for age |
| Z68.54 | Body mass index (BMI) pediatric, greater than or equal to 95th percentile for age |