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24-Hour Urine Phenylglycine (or Phenylglycine Metabolite) Excretion Rate

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

This test measures the amount of certain phenylglycine-related metabolites excreted in your urine over 24 hours. It may help assess kidney function or detect metabolic conditions.

Quick summary

["This test helps evaluate kidney processing of phenyl compounds and may identify metabolic or genetic disorders."]

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

Key facts at a glance

LOINC
9695-8
Short code
3Me4OH-phenylglycol 24h Ur-mRate
Synonyms
3Me4OH-phenylglycol 24h Ur-mRate
Category
glucose
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you have symptoms like kidney problems, unusual body odor, or signs of metabolic disorders. It can also be part of a broader evaluation for conditions affecting how your body processes certain chemicals.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to collect all urine for 24 hours. Drink plenty of water to help your kidneys process the substances properly.

How the Test Is Performed

You’ll collect all urine produced in a 24-hour period in a special container. The sample is then sent to a lab for analysis using a method like chromatography or immunoassay to measure the specific metabolites.

What the Results Mean

Results may indicate how well your kidneys filter and process phenyl compounds. Abnormal levels could suggest kidney issues, metabolic disorders, or other health concerns that need further evaluation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: This test may be used to diagnose or monitor conditions such as phenylketonuria (PKU) or other inherited metabolic disorders. Elevated or low levels could point to kidney dysfunction or improper metabolism of phenyl compounds, guiding treatment decisions.

Short name

Phenylglycine 24h Rate

Frequently asked questions

What causes abnormal results in this test?
Abnormal results could be due to kidney disease, genetic metabolic disorders, or conditions affecting how your body processes phenyl compounds. Always discuss results with your healthcare provider.
How often should this test be repeated?
Your provider will determine if repeat testing is needed based on your symptoms, test results, and overall health. Follow their guidance for follow-up.
Does diet affect this test?
Yes, certain foods or supplements containing phenyl compounds may influence results. Your provider may recommend dietary restrictions or adjustments before testing.
  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