Body mass index (BMI)
37 codes in this section
About Section Z68
Section Z68 (Z68-Z68) covers body mass index (bmi). It sits within the Factors influencing health status and contact with health services chapter (Z00-Z99). This section contains 37 ICD-10-CM codes, 32 billable diagnoses you can submit on a claim, and 5 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in Z68
Grouped by 3-character root code. Click any code for full detail.
| Z68.1 | Body mass index [BMI] 19.9 or less, adult | Billable |
| Z68.2 | Body mass index [BMI] 20-29, adult | Header |
| Z68.20 | Body mass index [BMI] 20.0-20.9, adult | Billable |
| Z68.21 | Body mass index [BMI] 21.0-21.9, adult | Billable |
| Z68.22 | Body mass index [BMI] 22.0-22.9, adult | Billable |
| Z68.23 | Body mass index [BMI] 23.0-23.9, adult | Billable |
| Z68.24 | Body mass index [BMI] 24.0-24.9, adult | Billable |
| Z68.25 | Body mass index [BMI] 25.0-25.9, adult | Billable |
| Z68.26 | Body mass index [BMI] 26.0-26.9, adult | Billable |
| Z68.27 | Body mass index [BMI] 27.0-27.9, adult | Billable |
| Z68.28 | Body mass index [BMI] 28.0-28.9, adult | Billable |
| Z68.29 | Body mass index [BMI] 29.0-29.9, adult | Billable |
| Z68.3 | Body mass index [BMI] 30-39, adult | Header |
| Z68.30 | Body mass index [BMI] 30.0-30.9, adult | Billable |
| Z68.31 | Body mass index [BMI] 31.0-31.9, adult | Billable |
| Z68.32 | Body mass index [BMI] 32.0-32.9, adult | Billable |
| Z68.33 | Body mass index [BMI] 33.0-33.9, adult | Billable |
| Z68.34 | Body mass index [BMI] 34.0-34.9, adult | Billable |
| Z68.35 | Body mass index [BMI] 35.0-35.9, adult | Billable |
| Z68.36 | Body mass index [BMI] 36.0-36.9, adult | Billable |
| Z68.37 | Body mass index [BMI] 37.0-37.9, adult | Billable |
| Z68.38 | Body mass index [BMI] 38.0-38.9, adult | Billable |
| Z68.39 | Body mass index [BMI] 39.0-39.9, adult | Billable |
| Z68.4 | Body mass index [BMI] 40 or greater, adult | Header |
| Z68.41 | Body mass index [BMI] 40.0-44.9, adult | Billable |
| Z68.42 | Body mass index [BMI] 45.0-49.9, adult | Billable |
| Z68.43 | Body mass index [BMI] 50.0-59.9, adult | Billable |
| Z68.44 | Body mass index [BMI] 60.0-69.9, adult | Billable |
| Z68.45 | Body mass index [BMI] 70 or greater, adult | Billable |
| Z68.5 | Body mass index [BMI] pediatric | Header |
| Z68.51 | Body mass index [BMI] pediatric, less than 5th percentile for age | Billable |
| Z68.52 | Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age | Billable |
| Z68.53 | Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age | Billable |
| Z68.54 | Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th percentile for age | Billable |
| Z68.55 | Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age | Billable |
| Z68.56 | Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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