Z68.18BillableCCNew for FY2027AdultUnacceptable PrincipalPOA Exempt

Body mass index [BMI] 18.4 or less, adult

Factors Influencing Health Status and Contact with Health Services·Body mass index [BMI] 19.9 or less, adult·subcategory·FY 2027

Body Weight: Body weight is the total mass of your body. Keeping track of your weight is one way to check for changes in your health, but it can't tell you the whole story. That's because your weight includes muscle, bone, fat, and water. Also, everyday factors can play a role in your weight, such as your:

Read more about body weight on MedlinePlus · Source: MedlinePlus, National Library of Medicine

Also indexed as: Body, mass index, adult, 18.4 or less, adult

Instructional notes

Also applies, from Z68: Body mass index [BMI]

These notes sit on Z68 and apply to every code under it, including Z68.18.

Includes: conditions that are coded here

  • Kilograms per meters squared

Where Z68.18 sits

MS-DRGs

As the principal diagnosis, this code groups to these MS-DRGs (v44.0).

Code history

  • FY 2026: replaced Z68.1 (Body mass index [BMI] 19.9 or less, adult)