Peak Waveform Amplitude of Erythrocyte Waveform (Serum)
This test measures the highest point of a specialized waveform generated when red blood cells pass through a narrow channel. It may be used in research or advanced diagnostic studies of red blood cell properties.
["This test assesses red blood cell behavior under specific conditions, potentially linked to blood health studies."]
Key facts at a glance
- LOINC
- 18037-2
- Short code
- MV Peak E-wave DOP
- Synonyms
- MV Peak E-wave DOP
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- us-doppler
- 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 Measuring?
The test creates a waveform by forcing red blood cells through a very small opening, causing them to deform as they pass. The peak amplitude reflects how much they stretch or change shape at their highest point. This can be part of studies examining red blood cell flexibility, stability, or interactions with blood vessels.
Why Might Your Doctor Order This Test?
Your doctor may request this test if they suspect conditions affecting red blood cell structure, such as hereditary spherocytosis, elliptocytosis, or other inherited blood disorders. It may also be part of specialized research or advanced diagnostic protocols.
What Does the Result Mean?
Results are not typically interpreted in isolation for clinical decisions. They may be used alongside other tests to assess red blood cell function in research settings or specialized clinical scenarios.
How Is This Test Performed?
A small blood sample is drawn, usually from a vein in your arm. The sample is processed to isolate red blood cells, which are then forced through a microchannel to generate the waveform. The peak amplitude is measured electronically.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test is primarily used in research or advanced diagnostic studies to evaluate red blood cell deformability and structural properties. Abnormal waveforms may indicate inherited blood disorders or conditions affecting red blood cell flexibility, though standard clinical reference ranges are not universally established for this test.
Short name
Erythrocyte Waveform Peak Height (Serum)
Frequently asked questions
Why was this test ordered?
What does a high or low peak waveform amplitude mean?
How long does it take to get results?
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