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Serum or plasma wave amplitude measurement (electrophoresis-based)

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

This test evaluates the electrical wave amplitude generated during serum or plasma electrophoresis, a technique used to analyze protein composition in the blood.

Quick summary

["Helps assess protein patterns that may indicate underlying health conditions."]

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

Key facts at a glance

LOINC
10044-6
Short code
S wave Amp L-V5
Synonyms
S wave Amp L-V5
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ekg
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 Is This Test Used For?

Electrophoresis separates blood proteins based on size and charge, creating distinct bands. Wave amplitude reflects the density and distribution of these proteins, which can be useful in diagnosing conditions like protein disorders or evaluating blood chemistry imbalances.

How Is the Sample Collected?

A blood sample is drawn from a vein, typically in the arm. The serum or plasma is then processed for electrophoresis analysis.

Preparation Before Testing

No special preparation is usually required, but fasting may be advised depending on the clinical context. Inform your healthcare provider about any medications or conditions that could affect results.

Possible Results and Interpretation

Wave amplitude results help identify abnormal protein patterns, which may signal conditions such as multiple myeloma, amyloidosis, or other protein-related disorders. Interpretation requires clinical correlation with patient symptoms and history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

Why might I need this test?
Your doctor may order this test if they suspect a blood protein disorder, evaluate chronic diseases affecting protein levels, or assess conditions like kidney disease or liver dysfunction that alter protein synthesis or breakdown.
What does a high or low wave amplitude mean?
High or low wave amplitude can indicate abnormal protein distribution, which may correlate with conditions like monoclonal gammopathy (e.g., multiple myeloma) or systemic protein disorders. Always discuss results with your healthcare provider.
Can diet or medications affect this test?
Some medications or dietary changes (e.g., protein-rich foods) may indirectly influence protein levels, but wave amplitude specifically reflects electrophoresis patterns. Your doctor will consider all factors when interpreting results.
  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