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Yes. There have been instances in which a common bile duct stone has been diagnosed where, in fact, another cause of ultrasound shadowing (looking like a stone) has occurred. For example, scarring of the common bile duct from prior surgery is one such cause, leading to a false positive diagnosis of a CBD stone. There are others, as well.
What else can I help you with?
How will your hemoglobin test be affected if you are trying to find out if you have appendicitis but also suffer from a horrible cold Can you get a false positive?
You do not diagnose the appendicitis on blood report. The diagnosis is mostly clinical. Ultrasound examination will help out in doubtful cases.
Is it possible for nexium to give a false positive pregnancy test result?
No
Is it possible to have 2 out of 3 positive pregnancy tests be false?
A false positive pregnancy test is extremely rare, so I would say no, if the tests read positive you are most likely pregnant.
What is the accuracy level of mediastinoscopy in diagnosis?
Mediastinoscopy provides a diagnosis in 10-75% of cases, depending on histology, location, and size of cancer. The false positive rate, however can be as high as 20%.
What does a medical assistant report when a urinalysis produces a false positive result for a medical condition?
A positive result, obviously, since the assistant has no way of knowing that it is a false-positive. It is up to the doctor to consider the odds that the test was a false positive (see: test specificity and sensitivity) together with clinical signs, symptoms, history, epidemiology, and the results of other tests in making a diagnosis
Can two different pregnancy tests show a false positive?
It is possible, though rare.
I had 2 positive pregnancy tests and 1 negative and no signs of pregnancy on the ultrasound?
Interesting.. I've had the same thing happen to me (minus the ultrasound...) in getting several false positives. However, mine were due to having cysts on my ovaries- which are known for affecting the result of home pregnancy tests. If you're still uncertain, I'd try taking a blood test; it is possible that if you are indeed pregnant, the pregnancy is too young to be shown in an ultrasound.
Will phentermine give a false positive for a biometric screening?
Phentermine can possible give a false positive on a biometric screening. Phenterime is a schedule IV controlled substance with characteristics that mimic amphetamines.
How do you beat a false positive?
you can have a false negative but NOT a false positive
What will give you a false positive result for marijuana?
A list of things about as long as your arm. Included are such benign drugs as advil, aleve, Motrin, Bayer Select Pain Relief Formula...basically, go to the pain reliever shelf in the drugstore. Everything on it except aspirin and Tylenol will throw a false positive on a marijuana screen. However, the tests have been refined to recognize these items, and they are ignored. The labs know what to look for. If there is any question, the sample can be reevaluated using more complex methods.Additional InformationAccording to Ask Doc Web, the following substances have been known to generate false positives for THC (the active ingredient in marijuana) or marijuana.Advil - false positive for THC, MarijuanaAleve - false positive for THC, MarijuanaAnaprox - false positive for THC, MarijuanaAnsaid - false positive for marijuanaApo-Naproxen - false positive for THC, MarijuanaAtripla - false positive for cannabinoid THCB2 vitamin - false positive for THCBayer Select Pain Relief Formula - false positive for THC, MarijuanaClinoril - false positive for THC, MarijuanaCramp End Tablets - false positive for THC, MarijuanaDiabetes - false positives for Amphetamines, Cocaine, THC, Ecstasy, Meth and OpiatesDolobid - false positive for THC, MarijuanaDronabinol (Marinol) - false positives for THCEdecrin - false positive for THC, MarijuanaEfavirenz - false positive for THC, MarijuanaFeldene - false positives for THCFenoprofin - false positive for Marijuana, Amphetamines, BarbituratesFlurbiprofen - false positive for marijuanaGenpril - false positive for THC, MarijuanaHaltran - false positive for THC, MarijuanaHempseed Oil - false positive for THCIbuprin - false positive for marijuanaIbuprofen - false positive for Marijuana (THC)Ifenoprofen - false positive for THC, MarijuanaIndocin - false positive for THC, MarijuanaKetoprofen - false positive for THCKidney infection - false positive for Amphetamines, THC, Ecstasy, and OpiatesLiver Disease - false positive for Opiates, Ecstasy, THC and AmphetaminesMarinol® false positive for Marijuana (THC)Meclomen - false positive for THC, MarijuanaMediprim - false positive for marijuanaMedipren - false positive for THC, MarijuanaMidol - false positive for THC, MarijuanaMotrin - false positive for THC, MarijuanaNalfon - false positive for Marijuana, Amphetamines, Barbituates, Benzodiazephines, MethaqualoneNaprosyn - false positive for THC, MarijuanaNaproxen (Aleve) - false positive for THC, MarijuanaNavonaprox - false positive for THC, MarijuanaNSAIDS - false positive for THC, MarijuanaNuprin - false positive for THCOrudis KT - false positives for THCOxaprozin - false positive for THC, Marijuana, BenzodiazepinesPamprin® - false positive for THC, MarijuanaPantoprazole - false positive for THCPhenergan® - false positive for THC, MethadonePrescription NSAIDSPromethazine - false positive for THCPromethegan - false positive for THCProton pump inhibitors - false positive for THCProtonix - false positive for THCRelafen - false positive for MarijuanaRiboflavin (vitamin B2) - false positive for THCRufin - false positive for THC, MarijuanaSustiva (Efanirenz) - false positive for THC or MarijuanaTolectin® - false positive for THC, MarijuanaVoltaren - false positive for THC, MarijuanaIt appears that both prescription and over-the-counter NSAIDS (Non-Steroidal Anti-Inflammatory Drugs), such as Advil®, Aleve®, Motrin®, Tylenol®, Pamprin®, Midol®, etc. have all been known to generate false positives for marijuana on drug screens.Additionally, some medical conditions such as diabetes, kidney infection, and liver disease may result in a false positive.
How many mammogram results show a false-positive result?
"False positive" readings also are possible, and 5% to 10% of mammogram results indicate the need for additional testing, most of which confirm that no cancer is present.
What can cause false positive for methadone?
False positive for methadone
