A blood test is more accurate, but it depends on the type you get. Many doctors will order a simple qualitative hCG. It only gives a yes or no answer, but doesn't register your HCG levels. If you are early in your pregnancy, and your levels are low, you may get a false negative. A quantitative blood test will measure the exact amount of hCG present. It will detect even the most minimal level.

Ketones may be measured in blood and show up approximately 2-4 hours before they will be present in the urine. In addition, with blood ketones your physician is able to get an accurate reading on your level and know when you need medical intervention.

A blood test is more accurate, but not necessarily more sensitive. A lot depends on the lab. A quantitative blood test, usually called a beta hCG test, measures the exact units of hCG in the blood. That means it will detect even the most minimal level. There is another type of blood test sometimes called a qualitative hCG. This is a test that simply gives a yes or no answer to whether you are pregnant. Just like urine tests, labs vary as to what is considered a positive pregnancy test.

Do not agree to take a breath, blood, or urine test prior to speaking with an attorney. If you cannot contact an attorney it may be a good idea to consent to the test, as Arizona Law requires you do so, or your driver's license may be revoked for one year.

No. However, Connecticut has what is known as the Implied Consent law. This means that by driving a vehicle you are giving consent to be tested. If you refuse to be tested, strict penalties are automatically applied. Learn more about the consequences in our section discussing the law.

Saliva testing has been used in scientific testing for decades and has been shown to be highly accurate. It is the most reliable way to measure free, bioavailable hormone activity- those hormones actually doing their job at the cell level. Standard blood and urine tests do not measure bioavailable hormone levels. Numerous scientific studies have shown a strong correlation between the levels of steroid hormones in the blood stream and the bio-available levels of steroid hormones in saliva.

Yes. In a multicenter clinical study this test service, using blood from a finger stick obtained by non-medically trained participants, was proven to be greater than 99% accurate compared to a blood sample drawn by a medical professional and tested using current test methods. In this clinical trial approximately 4% of study participants were unable to collect enough sample to begin testing, and an additional 3% were unable to collect enough sample to receive a conclusive result.

No. However, refusing such tests is generally subjects you to a mandatory one year revocation of your license without any possible probationary license. In addition, your refusal to submit to a test upon the request of a law enforcement officer is admissible in any criminal proceeding against you as evidence of you consciousness of guilt.

If you take one of the State's chemical tests, remember that you are entitled to your own independent test.

No. Read the first chapter in my book to learn how to test yourself, simply and accurately. All you need is a thermometer. Free access is available to this chapter on the right hand side of this page.

Trace amounts of nicotine can be detected in blood and urine for several hours, but they should be gone by 48 hours. However, if you are being tested for nicotine, there is a metabolite of nicotine, called cotinine, which can be detected in blood or urine for as long as 7 to 10 days after your last exposure to nicotine.

Yes, blood in the urine is not a normal finding. There may be several reasons for this. Infection should be ruled out first. If you are taking anticoagulant medicine (blood thinners) this may be responsible and your doctor will determine whether or not you need to see a Urology doctor.

Each insurance company has their own rules regarding the release of medical information. You should contact your agent or the Underwriting Department at the Insurance Company’s Home Office for their policy.

There are two types of pregnancy tests - blood and urine tests. Both tests look for the presence of hCG, the pregnancy hormone. Today, many women use a urine test, or home pregnancy test (HPT), to find out if they are pregnant. HPTs do not cost a lot, are easy to use, can be done at home, and are private. When a woman has a positive result on an HPT, she needs to see her health care provider right away.

Answer: By accepting the privilege extended by the laws of this state of operating a motor vehicle, you are deemed to have given your consent to submit to an approved chemical or physical test of your breath for the purposes of determining the alcoholic content of your blood, and to a urine test for the purposes of detecting the presence of drugs, if lawfully arrested for any offense allegedly committed while driving or in actual physical control of a motor vehicle while under the influence of a.

Refusing such tests is generally not a good idea. The laws of most states permit the motor vehicle department to suspend your privilege to drive for a chemical test refusal. In addition, your refusal to submit to a test upon the request of a law enforcement officer is admissible in any criminal proceeding against you as evidence of you consciousness of guilt.

Many lawyers agree that the above tests are not completely accurate and therefore should not be taken. However, if you agree to take one of these chemical tests for the police, remember that you are then entitled to your own independent tests. This means that the police are required to transport you to a medical facility of your own choosing for the purpose of obtaining an independent test.

Yes. Under the implied consent laws, a driver suspected of a DUI who refuses to submit to a breath, blood or urine test can have their license suspended for twelve months.

Yes, you may be charged in the same manner as someone whose alcohol content is below the legal limit. The prosecutor would need only to prove the motorist was under the influence of alcohol by using other evidence such as divided-attention exercises, smell of alcohol on the motorist, etc. Also the refusal to take a chemical test for alcohol is always admissible in court.

A refusal to take a blood, breath, urine, or other chemical alcohol test will result in a mandatory license suspension. The length of the suspension depends on the number of DUI offenses you have had in the 5 year period prior to the current arrest. A single offense is 30-120 days and the suspension increases up to a mandatory 60 months for a fourth offense. Also refusal to take a chemical test is always admissible in court.

The best advice is to contact a lawyer if you are unsure. You have a right to try to call a lawyer for 10-15 minutes before you take a blood, breath, or urine test.

Laboratory test results for drugs of abuse have indicated a greater than >98% accuracy when used according to the provided directions.

The Q.E.D.? test can be used as an accurate screen in place of blood or breath tests. In clinical trials, saliva alcohol levels measured by the Q.E.D.? demonstrated high correlation to blood analyzed by gas chromatography (r=0.98).

Yes. The VAP Test is based on ultracentrifugation, the gold standard for reference lab lipid measurement. The test is processed at Atherotech's CLIA-approved diagnostic laboratory. In addition, Atherotech has the accuracy of the VAP Test confirmed by three highly recognized lipid standardization programs-the American Association of Bioanalysts, the Northwest Lipid Research Laboratories, and the Accutest Proficiency Testing Program.

In laboratory tests, IntelliGender Gender Prediction Test (G.P.T.). has proven up to 90% accurate. Factors which could affect the accuracy include: failing to use first morning's urine, not following instructions provided in the kit and diluted urine from drinking excessive liquid within 3 hours of performing the test.