Pacemaker Class Electrode Classification (by mass concentration in electrode material)
This test evaluates the chemical composition of your pacemaker’s electrode material, which may help assess compatibility with your body or potential long-term risks.
["Understanding your pacemaker’s electrode composition can inform healthcare decisions about device function and safety over time."]
Key facts at a glance
- LOINC
- 8604-1
- Short code
- Pacemaker Class EKG
- Synonyms
- Pacemaker Class EKG
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ekg
- 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 analyzes the mass concentration of specific electrode materials (e.g., metals like platinum, iridium, or alloys) used in your pacemaker. These materials determine electrode conductivity, durability, and potential biocompatibility. Results may be used to confirm proper function or identify unusual material degradation.
Why It Matters for Your Health
Pacemaker electrodes must remain stable to ensure reliable electrical signals. Changes in electrode composition could affect pacing efficiency or risk inflammation. This test helps monitor these factors, especially if you’ve had complications like infection or device failure.
Common Uses in Medical Care
This test is typically performed if you experience unexplained pacemaker malfunctions, symptoms like fatigue or irregular heartbeat, or if your doctor suspects electrode corrosion or foreign-body reactions. It may also be part of routine follow-up for high-risk patients (e.g., those with diabetes or autoimmune conditions).
What to Expect Before the Test
No special preparation is needed. A healthcare professional will extract a small sample of blood (usually from your arm) to analyze the electrode material concentration. The process takes minutes, and you may feel slight discomfort from the needle.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Pacemaker Electrode Type Analysis
Frequently asked questions
How might this test result affect my treatment?
Will this test show if my pacemaker is failing?
Is this test covered by insurance?
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