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Body Weight Percentile Adjusted for Age (Corrected)

Published: August 9, 2026Updated: August 16, 2026

This test evaluates how your body weight compares to typical weight ranges for your age, adjusted for growth patterns. It helps healthcare providers assess whether your weight is within healthy growth trajectories.

Quick summary

["This test helps track growth and development over time by comparing your weight to expected standards for your age."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
11770-5
Short code
[Prctl] Bdy weight.10th GA Corr
Synonyms
[Prctl] Bdy weight.10th 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 your body weight as a percentile score, which shows where your weight falls relative to children of the same age. Percentiles are often used in pediatric care to monitor growth trends and identify potential concerns early.

Why It’s Done

Healthcare providers may order this test for children to monitor growth patterns, especially if weight changes are suspected or if there are concerns about underweight or overweight conditions. It may also be used in research or clinical studies focused on growth development.

How It’s Performed

This is not a blood or urine test but a calculated value derived from your height, age, and reported body weight. Your healthcare provider will use standardized growth charts to determine the percentile. No specimen is drawn; results are based on self-reported or measured data.

What the Results Mean

A percentile score indicates whether your weight is below, on, or above the typical range for your age. For example, a score of 50th percentile means your weight is in the middle of the distribution for children of your age. Percentiles alone do not indicate health risks but are used alongside clinical judgment to assess growth trends.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Age-Adjusted Body Weight Percentile

Frequently asked questions

What does a low or high percentile mean?
A low percentile (e.g., below the 5th) may signal potential concerns like poor nutrition, medical conditions affecting growth, or developmental delays. A high percentile (e.g., above the 95th) could raise questions about excessive weight gain, but it is not a standalone diagnosis. Always discuss results with your healthcare provider.
How often should I get this test?
This test is typically done during routine pediatric checkups, often at well-child visits. Your provider may recommend it at specific ages (e.g., 2, 5, 10 years) or if there are concerns about growth patterns. Follow your provider’s guidance for timing.
Can I influence my percentile score?
Yes! Healthy eating, regular physical activity, and a balanced lifestyle can support healthy weight growth. If your percentile is concerning, discuss dietary habits, activity levels, or other lifestyle factors with your healthcare provider for personalized advice.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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