Skip to content

Albumin in Egg White Equivalent (qualitative probe screening)

Published: August 9, 2026Updated: August 17, 2026

This test measures the presence of albumin, a protein found in egg whites, as a qualitative screening for albumin levels in your blood. It may be used to assess protein status or detect conditions affecting protein metabolism.

Quick summary

["This screening helps monitor protein levels that may indicate kidney function or nutritional health."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
112162-3
Short code
EGGWHT
Synonyms
Chicken egg white IgE Qn IA
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) or red top tube
Units
N/A
Ref low
0
Ref high
0.35
Critical range
— – 10000 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Immunoassay (e.g., FEIA, ELISA, or chemiluminescent immunoassay)
CPT
86003
SNOMED
395127008
Specimen volume
0.5-1.0 mL serum
Stability
Room temperature: 8 hours; Refrigerated (2-8°C): 7 days; Frozen (-20°C or below): 1 year. Avoid repeated freeze-thaw cycles.
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
24–72 hours
Order
routine

What This Test Measures

Albumin is a key protein in your blood that helps maintain fluid balance and supports immune function. Egg white albumin serves as a simplified, qualitative indicator of overall protein status. This test is not a precise measurement but may be used in specific clinical contexts to screen for protein-related issues.

Why It Might Be Ordered

Your healthcare provider may order this screening test if you have symptoms or risk factors for conditions like malnutrition, kidney disease, or liver dysfunction. It can also be part of broader evaluations for protein-losing syndromes or nutritional assessment.

How the Test Works

The test uses a probe (e.g., egg white) to qualitatively detect albumin presence, often through a colorimetric or immunologic method. Results are interpreted as either positive (albumin detected) or negative (not detected), rather than providing a quantitative value.

Preparation and Sample Collection

No special preparation is needed. Blood may be collected via venipuncture, and the sample is processed to detect albumin in the egg white equivalent probe. This test is typically done in a laboratory setting with specialized equipment.

Reference range

Negative: <0.10 kU/L; Equivocal: 0.10-0.35 kU/L; Positive (Class 1): 0.35-0.70 kU/L; Class 2: 0.70-3.50 kU/L; Class 3: 3.50-17.50 kU/L; Class 4: 17.50-50.00 kU/L; Class 5: 50.00-100.00 kU/L; Class 6: >100.00 kU/LN/A

Specimen: serum

No special preparation required. Patient may be advised to discontinue antihistamine medications prior to testing only if directed by physician; allergen-specific IgE testing does not require fasting or cessation of antihistamines for analytical accuracy.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Albumin Screening (Egg White Equivalent)

Frequently asked questions

This screening test is not a definitive diagnostic tool but may serve as an initial indicator of protein status. Low albumin levels in egg white equivalents could suggest underlying issues like malnutrition, chronic kidney disease, or liver disease. Always discuss results with your healthcare provider for proper interpretation and next steps.
This test is primarily used as a qualitative screening and may not replace standard albumin blood tests. It is not a routine test for most patients and is typically reserved for specific clinical scenarios.
How accurate is this test compared to standard albumin blood tests?
This test lacks precision and is not designed for quantitative measurements. It serves as a rough qualitative indicator and should not replace standard blood tests for albumin levels, which provide more detailed and reliable results.
Can I fast before this test?
No fasting is required for this screening test. However, if your healthcare provider has ordered a related blood test (e.g., standard albumin), follow their specific instructions for preparation.
  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 17, 2026. · Read our editorial policy