Z68.55 — Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age
Is Z68.55 billable?
Yes — Z68.55 is billable for FY2027. Z68.55 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z68.55 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z68.55 at a glance
| Code | Z68.55 |
|---|---|
| Description | Body mass index [BMI] pediatric, 120% of the 95th percentile for age to less than 140% of the 95th percentile for age |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z68.55?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z68.55 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does Z68.55 group to?
Z68.55 sits in MDC 10 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 640Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCCmedical
- 641Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCCmedical
As a secondary diagnosis, Z68.55 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is Z68.55 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z68.55. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Body, bodies › mass index › pediatric › 120% of the 95th percentile for age to less than 140% of the 95th percentile for age
How long has Z68.55 existed?
Z68.55 first appears in FY2025.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the Z68.5 family? (5)
- Z68.51Body mass index [BMI] pediatric, less than 5th percentile for age
- 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
- Z68.56Body mass index [BMI] pediatric, greater than or equal to 140% of the 95th percentile for age