Chromium
A blood test that measures chromium levels to assess this trace element's role in glucose metabolism and nutritional status.
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What this test measures
Chromium is a mineral that affects insulin, carbohydrate, fat, and protein levels in the body. This blood test measures the concentration of chromium in serum or whole blood to assess whether individuals have adequate levels of this trace element.
Chromium plays a crucial role in glucose metabolism by functioning in the body as a key constituent of the "glucose tolerance factor." Without chromium, the action of insulin is blocked, and glucose levels are elevated. The test is typically used to evaluate chromium deficiency or overload, though chromium deficiency has not been reported in healthy populations, and no definitive deficiency symptoms have been established.
Who should consider this test
You might consider this test if you are experiencing any of the following:
- Individuals with diabetes or prediabetes who may benefit from understanding their chromium status, as this mineral is involved in glucose metabolism and insulin function.
- Patients receiving long-term intravenous feeding (total parenteral nutrition) who may be at risk for chromium deficiency due to inadequate supplementation in their nutrition solutions.
- Those with symptoms suggestive of glucose intolerance, such as unexplained weight loss, fatigue, or blood sugar irregularities that might be related to chromium status.
- People with metal-on-metal orthopedic implants who need monitoring for elevated chromium levels that could indicate implant wear or toxicity.
- Individuals with suspected chromium toxicity from occupational or environmental exposure who require assessment of their chromium burden.
- Patients with metabolic syndrome or insulin resistance who are exploring nutritional factors that may contribute to their condition.
What to expect
Preparation
No fasting is required for this test. Patients should inform their healthcare provider about any supplements containing chromium or recent exposure to contrast media, as these may affect results.
Sample Type
A blood sample is collected through a simple blood draw from a vein in the arm. Special metal-free collection tubes are typically used to prevent contamination and ensure accurate results.
Collection
The blood draw takes just a few minutes and is performed by trained phlebotomists using sterile techniques. The sample is then processed and analyzed using specialized laboratory equipment.
Turnaround
Results are typically available within 3-7 business days from the time the sample is received at the laboratory.
Understanding your results
Chromium levels are reported in micrograms per liter (µg/L). Results should be interpreted in conjunction with clinical symptoms and other laboratory findings.
| Population | Reference Range | Notes |
|---|---|---|
| Adults | ≤ 1.4 µg/L (26.92 nmol/L) | Normal serum chromium levels for healthy adults |
Reference ranges may vary by laboratory and individual factors. Results should be interpreted by a healthcare provider in the context of your overall health.
What does a “Low” result mean?
Low chromium levels are uncommon in healthy populations consuming a balanced diet. When deficiency does occur, it is typically associated with long-term intravenous nutrition without adequate chromium supplementation. Symptoms of chromium deficiency may include weight loss, confusion, impaired coordination, and a reduced response to sugar (glucose) in blood, increasing the risk of diabetes. However, dietary chromium deficiency has not been observed in humans consuming normal diets.
What does a “High” result mean?
Elevated chromium levels may indicate exposure from occupational sources, environmental contamination, or wear from metal-on-metal orthopedic implants. Serum chromium levels can be significantly higher in patients with metal-on-metal total hip replacement implants than in control patients without metal implants. High levels may also result from specimen contamination during collection. In cases of true chromium toxicity, symptoms may include skin irritation, respiratory issues, or gastrointestinal problems, though these are rare with typical exposures.
Privacy & confidentiality
Your chromium test results are completely confidential and protected under HIPAA regulations. Results are not shared with insurance companies, will not appear on insurance explanation of benefits, and are not added to your personal medical record without your consent.
Frequently asked questions
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CPT Code: 82495
This test may not be available in: NY, NJ, RI
This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.
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