Atypical Speckled Nuclear Antibody (ANA Pattern) Blood Test
This blood test detects a specific pattern of antinuclear antibodies (ANA) that may indicate an autoimmune condition affecting the heart or other organs.
{"The test looks for atypical speckled nuclear antibodies in your blood","A positive result may suggest an autoimmune disease, such as lupus or mixed connective tissue disease","This pattern can sometimes be associated with heart-related complications","Results must be interpreted alongside your symptoms and other tests","Follow-up testing is often needed to confirm a diagnosis"}
Key facts at a glance
- LOINC
- 53988-2
- Short code
- ANA ATYP SPECK
- Synonyms
- ANA atypic speckled Ser Ql IF
- Category
- cardiac
- Sample
- serum
- Container
- Serum separator tube (SST) or red top tube
- Units
- N/A
- Ref low
- 0
- Ref high
- 1
- Critical range
- — – 10000 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 18 years
- Method
- Indirect Immunofluorescence (IIF) on HEp-2 cells
- CPT
- 86063
- SNOMED
- 108761001
- Specimen volume
- 1.0-2.0 mL serum minimum
- Stability
- Room temperature: 8 hours; Refrigerated (2-8°C): 72 hours; Frozen (-20°C or below): 2 weeks
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 24–72 hours
- Order
- routine
What is this test?
The atypical speckled nuclear antibody test is a specialized blood test that looks for a specific pattern of antinuclear antibodies (ANA) in your serum. ANA are proteins that your immune system produces which may attack your own body's cells. The 'atypical speckled' pattern is detected using a technique called immunofluorescence, where antibodies are labeled and visualized under a microscope to see how they bind to cell nuclei.
How is the test performed?
A healthcare professional will draw a small blood sample from a vein in your arm. The blood is then sent to a laboratory where technicians will use immunofluorescence techniques to detect the presence of the atypical speckled nuclear antibody pattern. You do not need to fast or make any special preparations before this test.
What do the results mean?
A positive result means that the atypical speckled nuclear antibody pattern was detected in your blood. This can indicate an autoimmune disorder, such as systemic lupus erythematosus (SLE), mixed connective tissue disease, or other conditions. Because this test is categorized as cardiac-related, your doctor may be investigating whether an autoimmune condition is affecting your heart or blood vessels. However, a positive result alone does not confirm a specific diagnosis - your doctor will consider your symptoms, medical history, and other test results together.
Are there any risks?
The risks of this test are minimal and include slight pain or bruising at the needle site, lightheadedness, and a very small risk of infection. These are similar to any routine blood draw.
Reference range
Negative (<1:80 titer); Positive ≥1:80 titerN/A
No fasting required. No special preparation needed. Inform physician of current medications, especially immunosuppressants or steroids.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
The atypical speckled nuclear antibody pattern is clinically significant because it may be associated with autoimmune diseases that can affect the heart, including pericarditis (inflammation of the heart lining), myocarditis (heart muscle inflammation), and valvular disease. Conditions such as systemic lupus erythematosus, mixed connective tissue disease, and scleroderma may present with this antibody pattern. When detected, it often prompts further investigation including additional antibody tests, echocardiograms, and cardiac imaging to assess heart involvement. Early detection can help guide treatment to prevent complications.
Frequently asked questions
Do I need to fast before this test?
What happens if my result is positive?
Can medications affect my results?
How long does it take to get results?
Is this test only for heart problems?
Sources
- 1
- 2Mayo Clinic - ANA TestSource
- 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