Z68.51
Billable codeBody mass index [BMI] pediatric, less than 5th percentile for age
The ICD-10 code for body mass index [bmi] pediatric, less than 5th percentile for age is Z68.51.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z68.52Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age
- Z68.53Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age
- Z68.54Body mass index [BMI] pediatric, 95th percentile for age to less than 120% of the 95th percentile for age
- Z68.55Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age
- Z68.56Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age
- Z68.51Body mass index [BMI] pediatric, less than 5th percentile for age
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V8551
Associated MS-DRGs
Z68.51 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.