Body Weight Percentile Adjusted for Height (90th Percentile)
This test compares your current body weight relative to what is typical for your height, using data from the 90th percentile of healthy children and adults. It helps assess whether your weight is within expected ranges for your growth stage.
["This measurement helps track if your weight aligns with healthy growth patterns based on your height."]
Key facts at a glance
- LOINC
- 11774-7
- Short code
- [Prctl] Bdy weight.90th GA Corr
- Synonyms
- [Prctl] Bdy weight.90th GA Corr
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- estimated-pop-birth-wgt-gestational-age-corr-ref
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
The test calculates a standardized score (z-score) for your body weight relative to the 90th percentile of individuals of similar height. This score accounts for how your weight compares to what is considered typical for your age and height group, adjusting for growth trends over time.
Why It Matters in Clinical Context
This measurement is often used in pediatric care to monitor growth patterns, especially when evaluating conditions that may affect weight gain or distribution. It can help identify whether weight changes are consistent with healthy development or may signal underlying health concerns.
How It’s Used in Practice
Healthcare providers may use this test to track long-term weight trends, especially in children, to ensure they are growing at a rate consistent with their height. It can complement other growth measurements like height, BMI, or waist circumference.
Common Uses and Considerations
This test is particularly useful in pediatric settings to monitor growth trajectories, but it may also be used in adults with specific clinical concerns about weight relative to height. It’s not a standalone diagnostic tool but supports broader assessments of health and development.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Body Weight Z-Score (90th Percentile)
Frequently asked questions
What does a high or low result mean for my health?
How often will I need this test?
Can I influence my results through diet or activity?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy