Billing for BMI

Please report the adult BMI as a non-primary diagnosis using ICD-10 codes Z68.18 - Z68.45. BMI adult codes are for use for persons 20 years and older.

Adult BMI

ICD-10-CM CodeAdult BMI Range
Z68.18BMI 18.4 or less
Z68.19BMI 18.5-19.9
Z68.20BMI 20.0-20.9
Z68.21BMI 21.0-21.9
Z68.22BMI 22.0-22.9
Z68.23BMI 23.0-23.9
Z68.24BMI 24.0-24.9
Z68.25BMI 25.0-25.9
Z68.26BMI 26.0-26.9
Z68.27BMI 27.0-27.9
Z68.28BMI 28.0-28.9
Z68.29BMI 29.0-29.9
Z68.30BMI 30.0-30.9
Z68.31BMI 31.0-31.9
Z68.32BMI 32.0-32.9
Z68.33BMI 33.0-33.9
Z68.34BMI 34.0-34.9
Z68.35BMI 35.0-35.9
Z68.36BMI 36.0-36.9
Z68.37BMI 37.0-37.9
Z68.38BMI 38.0-38.9
Z68.39BMI 39.0-39.9
Z68.41BMI 40.0-44.9
Z68.42BMI 45.0-49.9
Z68.43BMI 50.0-59.9
Z68.44BMI 60.0-69.9
Z68.45BMI 70 or greater

Please report the pediatric BMI percentile as a non-primary diagnosis using ICD-10 codes Z68.51 - Z68.54. BMI pediatric codes are for use for persons between 2 and 19 years old.

Pediatric BMI Percentile

ICD-10-CM CodePediatric BMI Percentile Range
Z68.51BMI, less than 5th percentile for age
Z68.52BMI, 5th percentile to less than 85th percentile for age
Z68.53BMI, 85th percentile to less than 95th percentile for age
Z68.54BMI, greater than or equal to 95th percentile for age
Z68.55BMI, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age
Z68.56BMI, greater than or equal to 140% of the 95th percentile for age

Revision History

Date Nature of Revision
10/22/2026 Updated content including:
  • removed notices "Effective for services on 10/01/2019" for both Adult and Pediatric BMI code sections
  • removed Adult BMI code Z68.1, added Adult BMI codes Z68.18 and Z68.19
09/28/2026

Migrated to new platform.