Z68.51 Body mass index [BMI] pediatric, less than 5th percentile for age
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Body mass index [BMI] pediatric, less than 5th percentile for age
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Note
- BMI adult codes are for use for persons 20 years of age or older
- BMI pediatric codes are for use for persons 2-19 years of age.
- These percentiles are based on the growth charts published by the Centers for Disease Control and Prevention (CDC)
Related codes
Z68.43Body mass index [BMI] 50.0-59.9, adult ICD-10-CMZ68.44Body mass index [BMI] 60.0-69.9, adult ICD-10-CMZ68.45Body mass index [BMI] 70 or greater, adult ICD-10-CMZ68.52Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age ICD-10-CMZ68.53Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age ICD-10-CMZ68.54Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th… ICD-10-CMZ68.55Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140%… ICD-10-CMZ68.56Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile… ICD-10-CM
Common questions
Is Z68.51 a billable code?
Yes. Z68.51 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.