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Laboratory Testing

Before a doctor can diagnose a patient, laboratory tests such as blood work are required.

8,512 Questions

What color tube to drawA1C blood tests?

The recommended color tube for drawing an A1C blood test is lavender.

Is 1.28 a high creatinine level?

A creatinine level of 1.28 mg/dL is usually within the normal range for adults. However, it can vary depending on age, sex, and muscle mass. It is best to consult a healthcare provider for an accurate interpretation of your creatinine level.

What is if rdw is high and mcv and mch are low in blood test?

High RDW (red cell distribution width) and low MCV (mean corpuscular volume) and MCH (mean corpuscular hemoglobin) in a blood test can indicate a mixed anemia, where there are varying sizes of red blood cells present in the blood. This can be seen in conditions such as iron deficiency anemia, thalassemia, or chronic diseases. Further evaluation and testing are usually needed to determine the specific cause.

Can one small sip of milk affect blood test for fasting and lipid tests?

It is unlikely that one small sip of milk would significantly affect blood test results for fasting and lipid tests. However, it's generally recommended to fast for 8-12 hours before these tests to ensure accurate results. If you have consumed milk or any other food or drink, it's best to inform your healthcare provider so they can interpret the results accordingly.

What does it mean if the serum is red in the SST tube?

A red color in the serum of a serum separator tube (SST) may indicate hemolysis, which is the rupture of red blood cells and release of hemoglobin into the serum. Hemolysis can affect certain laboratory test results and may require a new blood sample to be collected for accurate testing.

Can the body leach heavy metals?

Not easily. The molecular size of heavy metals means the kidneys struggle to excrete them. Most heavy metals are stored in hair, finger nails and other body tissues. Many, such as copper, lead, iron, are toxic if ingested in large amounts.

What is the normal range for a cea 125 test?

The normal range for CA 125 test results can vary slightly among laboratories, but generally falls between 0 and 35 U/mL. Elevated levels of CA 125 may indicate conditions such as ovarian cancer, but further testing is needed for a definitive diagnosis.

Why fasting for 12 hrs before lipid test?

Fasting for 12 hours before a lipid test helps provide accurate results by allowing healthcare providers to measure baseline levels of cholesterol and triglycerides in the blood. Eating before the test can temporarily increase lipid levels, which may lead to inaccurate results.

What color tube is the BCX or C and S drawn in.?

The BCX (basic metabolic panel) is typically collected in a green or lavender top tube. The C and S (culture and sensitivity) test is collected in a blood culture bottle, not a specific color tube.

What does b and o stand for in b and o railroad?

"B&O" stands for Baltimore and Ohio, a historic railroad company that operated in the United States. It was one of the first commercial railroads in the country, with its origins dating back to the early 19th century.

What color tube is the lipase in?

Lipase is typically found in a green or light green tube for laboratory testing.

What is hgb in a blood test?

Hgb in a blood test stands for hemoglobin, which is a protein in red blood cells that carries oxygen throughout the body. Hemoglobin levels can provide information about a person's overall health, especially in relation to anemia or certain medical conditions.

What color tube is used for chem 7?

A red-top tube is typically used for collecting blood for a Chem 7 test. The tube contains a gel separator that separates the serum from the blood cells after centrifugation, making it suitable for chemistry tests.

Can you drink black coffee 6hrs before a blood test?

No. It is best to fast 8hrs before a blood test. If you have to take prescribed medication before blood work, it is best to take that medication with a small glass of water. Any food or liquid that you introduce into your body before a blood test is performed will cause innaccurate results because your physician is looking to determine baseline levels, not baseline levels plus the effect of coffee.

I would imagine that the coffee is not something that you have to drink so I would just stay away so that you spend your money on the most accurate testing and medical advice that you can get.

What tests is used to test alcohol?

theres the breathalyzer and other tests that test for alcohol in your urine, that can only test for a day but the new one they have is the ETG test (Ethyl Glucuronide) which is an enzyme that your body produces after metabolizing alcohol and thats supposed to be in your system for 3 days but i have passed tests less then 24 hours after drinking 3 40s of 8.1% malt liquor using lots of water and coffee and maby some energy drinks and asparagus for color.

What indicates a decreased gfr?

A decreased glomerular filtration rate (GFR) indicates decreased kidney function. This can be caused by various conditions such as kidney disease, dehydration, or certain medications. Monitoring GFR levels helps in assessing kidney function and determining appropriate treatment.

What color tube should be collected for CBC?

A lavender-top tube should be collected for a complete blood count (CBC).

How long it does take to know if the sputum culture is positive?

It typically takes about 2-3 days for a sputum culture to show positive results. However, the exact time can vary depending on the specific laboratory testing procedures and workload.

What does high Lkc mean in a blood test?

High LKC in a blood test could refer to high lymphocyte count, indicating an increased number of lymphocytes in the blood. This may be associated with infections, immune disorders, or certain cancers. Further evaluation by a healthcare provider is necessary to determine the underlying cause.

What color tube does a fasting glucose level need?

A fasting glucose level typically requires a light green or gray tube containing a sodium fluoride preservative to inhibit glycolysis.

What color tube will you draw a Aptt?

A blue-top tube (citrate tube) is used for collecting blood samples for the activated partial thromboplastin time (APTT) test.

Can a etg test be used in court?

Yes, an EtG (Ethyl Glucuronide) test can be used as evidence in court to support claims of alcohol consumption. EtG testing is commonly used in legal cases, probation monitoring, child custody evaluations, and other legal situations where alcohol use is a factor. However, like any other evidence, its admissibility and reliability may be subject to scrutiny and challenge in court.

What color tube is used for a BMP testing?

Assuming that BMP stands for a Basic Metabolic Panel, the tube most commonly used in testing is a gold top or (serum separator tube).

What color tube bilirubin?

The tube used for bilirubin testing is typically a brown or amber-colored tube. This color is chosen to help protect the sample from light exposure, as bilirubin is light-sensitive.