Alpha-1 Globulin, Urine — Electrophoresis, Mass Fraction
Measures the alpha-1 globulin fraction among proteins in urine, usually as part of urine protein electrophoresis.
["This test helps evaluate unusual urinary protein patterns that may be associated with kidney or other medical conditions."]
Key facts at a glance
- LOINC
- 72593-7
- Short code
- Alpha1 Glob MFr.DF Ur Elph
- Synonyms
- Alpha1 Glob MFr.DF Ur Elph
- Category
- liver
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Ref low
- 44
- Ref high
- 147
- Critical range
- 7.2 N/A – 7.6 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- electrophoresis
- CPT
- 84075
- SNOMED
- 27550007
- 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
What is this test?
Urine protein electrophoresis separates urinary proteins into groups based on their size and electrical properties. This test reports the mass fraction of alpha-1 globulin, a group of proteins that includes several different molecules.
Why might I need this test?
This test may be ordered when protein is found in the urine or when the pattern of urinary proteins needs further evaluation. It can help identify an abnormal protein pattern that may require additional testing.
How is the test performed?
A urine sample is analyzed using electrophoresis to separate the proteins present. The laboratory then measures the proportion of protein in the alpha-1 globulin region.
How do I prepare for the test?
Follow the laboratory's urine collection instructions. Some tests use a single urine sample, while others require a timed collection, such as a 24-hour collection; fasting is generally not required unless your clinician gives specific instructions.
Reference range
Adult: 44-147 U/LN/A
No special preparation required. Avoid fatty meals before the test if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
An increased alpha-1 globulin fraction may occur with kidney disease, inflammation, or other conditions that cause abnormal proteins to appear in urine. Results must be interpreted with the urine protein concentration, other electrophoresis findings, kidney function tests, and your symptoms because a low-protein urine sample can affect the reported fractions. An abnormal result does not by itself establish a diagnosis.
Short name
Urine alpha-1 globulin electrophoresis
Frequently asked questions
Is this the same as a serum protein electrophoresis test?
Does an abnormal result mean I have a specific disease?
Is this an alpha-1 antitrypsin test?
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