Anti-platelet Antibody Screening (Serum/Plasma)
This test checks for antibodies that may be linked to a rare autoimmune condition affecting the kidneys, called primary membranous nephropathy. It involves a blood sample to detect specific proteins in your serum or plasma.
["This screening helps identify potential kidney-related autoimmune responses that may require further evaluation."]
Key facts at a glance
- LOINC
- 57032-5
- Short code
- T palldm Ab Ser Ql IB
- Synonyms
- T palldm Ab Ser Ql IB
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ib
- 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
The test detects the presence of antibodies targeting the platelet-associated phospholipase A₂ receptor (PLA2R), a protein often involved in kidney disease. These antibodies can be found in the blood and may indicate an immune system response that could damage kidney tissue.
Why It’s Done
Doctors may order this test if you have unexplained kidney problems, such as protein in urine, high blood pressure, or swelling, especially if you have no known kidney disease history. It can also be part of a broader evaluation for autoimmune kidney conditions.
What to Expect
A blood sample is taken from a vein, usually in your arm. The sample is then processed to detect specific antibodies. Results are qualitative (positive or negative) rather than a numeric value.
Preparation
No special preparation is needed for this test. You may eat and drink normally before your visit, but inform your healthcare provider about any medications you’re taking, as some may affect blood tests.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Anti-PLA2R Antibody Screen
Frequently asked questions
This test helps determine if your symptoms could be related to an autoimmune condition like membranous nephropathy. Positive results suggest further testing (such as confirmation assays) may be needed to assess kidney function and guide treatment decisions.
A positive result indicates the presence of anti-PLA2R antibodies in your blood, which may suggest an autoimmune process affecting your kidneys. This does not confirm kidney disease alone but warrants additional evaluation by a healthcare provider to assess kidney function and next steps.
Results are typically available within 1 to 3 business days, depending on lab processing times. Your healthcare provider will discuss the results with you during your follow-up visit.
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