Body mass index [BMI] 21.0-21.9, adult

This code indicates an adult patient's Body Mass Index (BMI) falls within the range of 21.0 to 21.9. This range is generally considered to be within the healthy weight category for adults. It provides a standardized measure of body fat based on height and weight.

Use this code when documenting a patient's BMI as part of a routine physical examination, wellness visit, or when monitoring weight status in the absence of specific weight-related diagnoses. It is appropriate for adults whose BMI has been calculated and falls precisely within the 21.0-21.9 range.

• Always ensure the BMI calculation is accurate and documented in the patient's medical record.
• This code is typically used as a secondary diagnosis, unless the encounter is solely for BMI assessment.
• Do not use this code if the patient has an underlying condition directly affecting their weight that would be coded more specifically (e.g., anorexia, obesity).