Serum/plasma substance concentration for red blood cell-related proteins (qualitative probe screening)
This test checks for certain proteins associated with red blood cells using a qualitative method. It may help identify conditions affecting red blood cell health or function.
["A simple screening test to assess red blood cell-related proteins in your blood."]
Key facts at a glance
- LOINC
- 70124-3
- Short code
- RBC Spec Ql Wet Prep
- Synonyms
- RBC Spec Ql Wet Prep
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 4.2
- Ref high
- 5.9
- Critical range
- 2 N/A – 7 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- wet-preparation
- CPT
- 85041
- SNOMED
- 900000000000003001
- 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 Does This Test Measure?
This test measures specific proteins linked to red blood cells (RBCs) in your serum or plasma. The method involves a qualitative probe to detect the presence or absence of these proteins, which can be useful in diagnosing or monitoring conditions related to RBCs, such as hemolytic anemia or certain genetic disorders.
Why Might You Need This Test?
Your healthcare provider may order this test if you have symptoms like fatigue, pale skin, unusual bruising, or if they suspect a condition affecting RBCs. It can also be part of a broader evaluation for unexplained anemia or other blood-related issues.
How Is the Test Performed?
A blood sample is drawn from a vein, typically in your arm. The blood is then processed to separate serum or plasma, which is tested using a specialized qualitative probe method to detect RBC-related proteins.
What Are Possible Results?
Results are qualitative (positive or negative) rather than numeric. A positive result may indicate the presence of abnormal RBC-related proteins, while a negative result suggests normal levels or absence of these proteins. Interpretation depends on clinical context and symptoms.
Reference range
Adult males: 4.2-5.9; Females: 3.8-5.1 x 10^12/LN/A
No special preparation required. Stay well hydrated.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
RBC Protein Qualitative Screen (Serum/Plasma)
Frequently asked questions
This test may not provide definitive diagnosis on its own but can serve as a screening tool. Abnormal results may prompt further testing, such as additional blood work, genetic testing, or evaluation of symptoms to determine the underlying cause of RBC-related issues.
The results of this qualitative test are not expressed as a number. Instead, they are reported as positive or negative, which helps guide further medical evaluation.
No fasting is required for this test, as it involves a simple blood draw and does not depend on dietary conditions.
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 17, 2026. · Read our editorial policy