Z68 – Body mass index [BMI]
ICD-10-CM 2027 diagnosis code · Body mass index [BMI] (Z68)
ICD-10-CM code
Z68
- Code
Z68(claims format:Z68)- Description
- Body mass index [BMI]
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z68 Body mass index [BMI] (Z68)
Billable codes under Z68
Z68 is a header code and cannot be used on claims. Choose the most specific code:
- Z68.1 – Body mass index [BMI] 19.9 or less, adultHeader (more codes below)
- Z68.2 – Body mass index [BMI] 20-29, adultHeader (more codes below)
- Z68.3 – Body mass index [BMI] 30-39, adultHeader (more codes below)
- Z68.4 – Body mass index [BMI] 40 or greater, adultHeader (more codes below)
- Z68.5 – Body mass index [BMI] pediatricHeader (more codes below)
Notes for Z68
Applicable to:
- Kilograms per meters squared
Notes:
- 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)
Frequently asked questions
What is ICD-10 code Z68?
Z68 is the ICD-10-CM code for body mass index [BMI], in the block Z68 (Body mass index [BMI] (Z68)).
Is Z68 a billable code?
No. Z68 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.