Protein Electrophoresis with Bromocresol Purple Staining (Serum/Plasma)
This test measures the distribution of proteins in your blood using a technique called electrophoresis. It helps identify patterns of protein separation that may indicate conditions affecting protein production or breakdown.
["This test helps doctors diagnose and monitor conditions linked to abnormal protein levels in your blood."]
Key facts at a glance
- LOINC
- 25579-4
- Short code
- C peptide sp6 p chal SerPl-sCnc
- Synonyms
- C peptide sp6 p chal SerPl-sCnc
- Category
- coagulation
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 0.8
- Ref high
- 1.2
- Critical range
- — – 5 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 85610
- SNOMED
- 396252006
- 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
Electrophoresis separates blood proteins based on their size and electrical charge. Bromocresol Purple staining highlights specific protein bands, showing how proteins like albumin, globulins, and other fractions are distributed. This can reveal imbalances that might suggest conditions like liver disease, kidney disease, or certain cancers.
How the Test Works
A small blood sample is taken from your arm and processed to separate proteins. The sample is placed in an electric field, causing proteins to migrate toward the opposite charge. After staining, the pattern of bands is analyzed to assess protein composition.
Common Uses
Doctors may order this test to investigate symptoms like swelling, fatigue, or unexplained weight changes. It’s also used to monitor conditions like multiple myeloma, liver disease, or chronic kidney disease, where protein patterns can change over time.
When You Might Need This Test
You might need this test if you have symptoms like unexplained swelling (edema), frequent infections, or if your doctor suspects a condition affecting protein production or breakdown in your body.
Reference range
INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A
Inform your healthcare provider if you are taking blood thinners. No special preparation required.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Bromocresol Purple Protein Electrophoresis
Frequently asked questions
Why might my doctor want to see these protein patterns?
How long will results take?
What does it mean if my protein levels are abnormal?
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