Z68

Non-billable

Body mass index [BMI]

Z68 is the ICD-10-CM code for Body mass index [BMI]. It is a non-billable category code — use a more specific child code such as Z68.1 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Subcodes
5
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

What is 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: Diet Activity level Stress level Sleep habits Family history and genetics Age What factors help…

Read more about Body Weight at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • 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]". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z68 a billable code?
No — Z68 is a non-billable header code. Use a more specific child code (such as Z68.1) for billing.
What are the subcodes of Z68?
Z68 has 5 more specific child codes, including Z68.1, Z68.2, Z68.3.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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