ICD-10-CM 2027 diagnosis code
Z68.2Body mass index [BMI] 20-29, adult
Z68.2 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.
Code last changed in FY2021 (effective October 1, 2020). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About Z68.2
Z68.2 is the ICD-10-CM diagnosis code for body mass index [BMI] 20-29, adult. It belongs to category Z68 (body mass index [BMI]), block Z68 (body mass index [BMI]) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.
Within Z68 (body mass index [BMI]), Z68.2 is specifically for body mass index [BMI] 20-29, adult. Related codes cover 19.9 or less, adult (Z68.1), 30-39, adult (Z68.3), 40 or greater, adult (Z68.4) and pediatric (Z68.5).
To report this condition, pick the subcode that matches the documentation: Z68.20 (adult), Z68.21 (adult), Z68.22 (adult), Z68.23 (adult), Z68.24 (adult), Z68.25 (adult), Z68.26 (adult), Z68.27 (adult) and 2 more.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2021 (title revised).
Specific codes under Z68.2
- Z68.20Body mass index [BMI] 20.0-20.9, adultBillable
- Z68.21Body mass index [BMI] 21.0-21.9, adultBillable
- Z68.22Body mass index [BMI] 22.0-22.9, adultBillable
- Z68.23Body mass index [BMI] 23.0-23.9, adultBillable
- Z68.24Body mass index [BMI] 24.0-24.9, adultBillable
- Z68.25Body mass index [BMI] 25.0-25.9, adultBillable
- Z68.26Body mass index [BMI] 26.0-26.9, adultBillable
- Z68.27Body mass index [BMI] 27.0-27.9, adultBillable
- Z68.28Body mass index [BMI] 28.0-28.9, adultBillable
- Z68.29Body mass index [BMI] 29.0-29.9, adultBillable
Notes that apply from higher levels
Instructions written at a parent level also apply to Z68.2.
› From Z68 Body mass index [BMI]
- 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)
Broader instructions also apply from Chapter 21: Factors influencing health status and contact with health services.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- FY2021 (effective 10/1/2020): Title revised — was “Body mass index (BMI) 20-29, adult”
Common questions about Z68.2
Is Z68.2 billable?
- No. Z68.2 is a header code. Report one of its more specific subcodes instead.