ICD-10-CM category
Z68: Body mass index [BMI]
Codes under Z68 (Body mass index [BMI]). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z68.1 | Body mass index [BMI] 19.9 or less, adult | ✓ |
| Z68.1 | Body mass index [BMI] 19.9 or less, adult | — |
| Z68.2 | Body mass index [BMI] 20-29, adult | — |
| Z68.2 | Body mass index [BMI] 20-29, adult | — |
| Z68.3 | Body mass index [BMI] 30-39, adult | — |
| Z68.3 | Body mass index [BMI] 30-39, adult | — |
| Z68.4 | Body mass index [BMI] 40 or greater, adult | — |
| Z68.4 | Body mass index [BMI] 40 or greater, adult | — |
| Z68.5 | Body mass index [BMI] pediatric | — |
| Z68.5 | Body mass index [BMI] pediatric | — |
| Z68.18 | Body mass index [BMI] 18.4 or less, adult | ✓ |
| Z68.19 | Body mass index [BMI] 18.5-19.9, adult | ✓ |
| Z68.20 | Body mass index [BMI] 20.0-20.9, adult | ✓ |
| Z68.20 | Body mass index [BMI] 20.0-20.9, adult | ✓ |
| Z68.21 | Body mass index [BMI] 21.0-21.9, adult | ✓ |
| Z68.21 | Body mass index [BMI] 21.0-21.9, adult | ✓ |
| Z68.22 | Body mass index [BMI] 22.0-22.9, adult | ✓ |
| Z68.22 | Body mass index [BMI] 22.0-22.9, adult | ✓ |
| Z68.23 | Body mass index [BMI] 23.0-23.9, adult | ✓ |
| Z68.23 | Body mass index [BMI] 23.0-23.9, adult | ✓ |
| Z68.24 | Body mass index [BMI] 24.0-24.9, adult | ✓ |
| Z68.24 | Body mass index [BMI] 24.0-24.9, adult | ✓ |
| Z68.25 | Body mass index [BMI] 25.0-25.9, adult | ✓ |
| Z68.25 | Body mass index [BMI] 25.0-25.9, adult | ✓ |
| Z68.26 | Body mass index [BMI] 26.0-26.9, adult | ✓ |
| Z68.26 | Body mass index [BMI] 26.0-26.9, adult | ✓ |
| Z68.27 | Body mass index [BMI] 27.0-27.9, adult | ✓ |
| Z68.27 | Body mass index [BMI] 27.0-27.9, adult | ✓ |
| Z68.28 | Body mass index [BMI] 28.0-28.9, adult | ✓ |
| Z68.28 | Body mass index [BMI] 28.0-28.9, adult | ✓ |
| Z68.29 | Body mass index [BMI] 29.0-29.9, adult | ✓ |
| Z68.29 | Body mass index [BMI] 29.0-29.9, adult | ✓ |
| Z68.30 | Body mass index [BMI] 30.0-30.9, adult | ✓ |
| Z68.30 | Body mass index [BMI] 30.0-30.9, adult | ✓ |
| Z68.31 | Body mass index [BMI] 31.0-31.9, adult | ✓ |
| Z68.31 | Body mass index [BMI] 31.0-31.9, adult | ✓ |
| Z68.32 | Body mass index [BMI] 32.0-32.9, adult | ✓ |
| Z68.32 | Body mass index [BMI] 32.0-32.9, adult | ✓ |
| Z68.33 | Body mass index [BMI] 33.0-33.9, adult | ✓ |
| Z68.33 | Body mass index [BMI] 33.0-33.9, adult | ✓ |
| Z68.34 | Body mass index [BMI] 34.0-34.9, adult | ✓ |
| Z68.34 | Body mass index [BMI] 34.0-34.9, adult | ✓ |
| Z68.35 | Body mass index [BMI] 35.0-35.9, adult | ✓ |
| Z68.35 | Body mass index [BMI] 35.0-35.9, adult | ✓ |
| Z68.36 | Body mass index [BMI] 36.0-36.9, adult | ✓ |
| Z68.36 | Body mass index [BMI] 36.0-36.9, adult | ✓ |
| Z68.37 | Body mass index [BMI] 37.0-37.9, adult | ✓ |
| Z68.37 | Body mass index [BMI] 37.0-37.9, adult | ✓ |
| Z68.38 | Body mass index [BMI] 38.0-38.9, adult | ✓ |
| Z68.38 | Body mass index [BMI] 38.0-38.9, adult | ✓ |
| Z68.39 | Body mass index [BMI] 39.0-39.9, adult | ✓ |
| Z68.39 | Body mass index [BMI] 39.0-39.9, adult | ✓ |
| Z68.41 | Body mass index [BMI] 40.0-44.9, adult | ✓ |
| Z68.41 | Body mass index [BMI] 40.0-44.9, adult | ✓ |
| Z68.42 | Body mass index [BMI] 45.0-49.9, adult | ✓ |
| Z68.42 | Body mass index [BMI] 45.0-49.9, adult | ✓ |
| Z68.43 | Body mass index [BMI] 50.0-59.9, adult | ✓ |
| Z68.43 | Body mass index [BMI] 50.0-59.9, adult | ✓ |
| Z68.44 | Body mass index [BMI] 60.0-69.9, adult | ✓ |
| Z68.44 | Body mass index [BMI] 60.0-69.9, adult | ✓ |
| Z68.45 | Body mass index [BMI] 70 or greater, adult | ✓ |
| Z68.45 | Body mass index [BMI] 70 or greater, adult | ✓ |
| Z68.51 | Body mass index [BMI] pediatric, less than 5th percentile for age | ✓ |
| 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 | ✓ |
| Z68.52 | 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 | ✓ |
| Z68.53 | Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age | ✓ |
| Z68.54 | Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th percentile for age | ✓ |
| Z68.54 | Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th percentile for age | ✓ |
| Z68.55 | Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age | ✓ |
| Z68.55 | Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age | ✓ |
| Z68.56 | Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age | ✓ |
| Z68.56 | Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age | ✓ |
Frequently asked questions
What is ICD-10-CM code Z68?
Z68 is an ICD-10-CM category covering Body mass index [BMI]. It contains 74 more specific diagnosis codes, 65 of which are billable.
Is Z68 a billable code?
No — Z68 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z68.1 — Body mass index [BMI] 19.9 or less, adult). 65 of the 74 codes under Z68 are billable.
What codes fall under Z68?
Z68 includes Z68.1, Z68.1, Z68.2, Z68.2, Z68.3, plus 69 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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