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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 is RBC Count in Haematology blood test for humans?

A red blood cell, (the cells that Give blood its distinctive red colour). A red blood cell's (erythrocyte) function is to carry haemoglobin around the body. Haemoglobin carries oxygen which is required for cellular respiration

An RBC count is used in a variety of tests in the diagnosis of disease

They are normally confined to blood vessels, which is specialized to transport oxygen. When mature, red blood cells are biconcave discs, which lack a nucleus and contain hemoglobin. Women have about 4 million to 5 million erythrocytes per cubic millimeter (microliter) of blood and men about 5 million to 6 million; people living at high altitudes with low oxygen tension will have more. The RBC reference range 4.5-5.9 (x1012/L) in males and 3.8-5.2 (x1012/L).

What may cause a slightly elevated white blood cell count?

Many things. It could be related to a short-term illness such as the cold or flu, or it could be linked to a chronic condition like an autoimmune disease. It is best to check with your doctor.

Basically your white blood cells are there to fight infection...if you have an increased count, your body is probably fighting something. It is definitely better to have that checked out by a doctor because you never know if it could be something serious.

Does hydrochlorothiazide show up in a urine drug screen?

Hydrochlorothiazide (HCTZ) is detectable in a urine screen for many days after the medication has last been ingested. The drug screen must include a test for the HCTZ for it to be detected. This test is commonly included in drug screens as some people will use HCTZ in an attempt to flush illegal substances from their system. HCTZ is a prescription drug, although, it is not a "controlled substance."

What is the normal IgE inmunoglobulin range for a two year old?

My eight and a half month year old was recently tested. I don't have all the specifics on what is considered normal range at what specific age, but I was told that a normal level for him should have been 15 and that at 44 his level was definitely high.

Can you use a womens pee to pass a drug test if the woman is not on any medications?

As long as she is not pregnant, ovulating, or menstruating then yes. Hormone levels may increase at these times, which would be a dead giveaway. Otherwise, yes.

How often should children urinate?

Usually about once a day or once every other day. It is very natural for any human (male or female) to urinate at least once per day. It is also normal for a human to only urinate within a few days. That usually only indicates that the person does not have enough fluids in them, which is not a totally bad thing.

If you smoke one joint how lng can it be detected in a court appointed urine test?

If you smoke it occasionally it will remain in your system for up to 10 days.If you smoke marijuana on a regular basis it will stay in your system for as long as 45 days, and if you smoke marijuana at a constant pace, it can stay in the body for 90 days. Marijuana is fat soluble. It stores in the fat cells of the body, the brain, the liver, the kidneys, in other words the major organs.

If you tested negative on a home test will you pass a lab test?

maybe, home tests are less accurate than professional lab tests are. if you have gone over a month without the narcotic then you have a better chance of passing a lab test. and things like penicillin and a cap of bleach, don't really clean your urine. that will just make you sick. so if you have had the drug within 14 days you still might not pass a lab test because their tests are accurate for up to the past 60 days.

What is the most severe form of hypothyroidism?

If a person has suffered from thyroid cancer, and has had their thyroid gland surgically removed in order to treat the cancer, that person would then have the most severe form of hypothyroidism, which is to have no thyroid gland at all.

What does pct on blood test mean?

The quantitation of platelets in peripheral blood is a well-recognized tool. Recently, new indices related to erythrocytes and platelet counts have been provided by hematologic analyzers. Concerning the platelet parameter, the three important parameters are plateletcrit (PCT), mean platelet volume (MPV), platelet distribution width (PDW). The purpose of the study is to investigate these three parameters to define their expected values and the correlation with the parallel red blood cell parameters, hematocrit (HCT), mean corpuscular volumer (MCV), and red blood cell distribution width (RDW). Blood samples form 215 volunteers were analyzed for platelet parameters using Technicon H*3. The average (mean ± SD) values obtained with expected ranges were PCT 0.24 ± 0.05% (range, 0.23-0.24%), MPV 12.79 ± 5.91 fL (range, 12.39-13.19 fL), and PDW 46.79 ± 2.70% (range, 46.61-46.97%). Concerning the correlation between PCT, MPV, and RDW and their parallel red blood cell parameters, there was no significant correlation between PCT and HCT, and between MPV and MCV. However, there was a significant correlation between PDW and RDW. It seems that the anisocytosis of red blood cells and platelets might co-occur. However, these data are basic observations; further in-depth evaluation of the platelet parameters is recommended.

Mcv blood test?

The MCV Lab Test is a kind of Hemotology Test. The results are derived from Hct, Hgb, and RBC count from a blood sample. MCV stands for Microtic cell volume, the test is an indicator for the size of the RBC's or red blood cells. It helps to determine if there is risk for certain anemia's. Tonya Fisher, LCNS Corbett, J.V. (2008) Laboratory Tests and Diagnostic Procedures with Nursing Diagnosis. (7th ed.) New Jersy: Person

Mean corpuscular volume (MCV) is a measurement of the average size of your RBCs (red blood cells). The MCV is elevated when your RBCs are larger than normal (macrocytic), for example in anemia caused by vitamin B12 deficiency. When the MCV is decreased, your RBCs are smaller than normal (microcytic), such as is seen in iron deficiency anemia or thalassemias.

Can you cheat a urine drug test?

You can pass a heroin drug test by wither not using, or you can pound water...at least when i drank water it worked. heroin is water soluble so the more water that flows through your system, the more heroin will come out every time you pee. the way ive done it is after using, i chugged about 2 gallons of water then peed a bout a million times, then the next day did the same thing, then went to the gym and did the stairmaster for 20 mintues in about 7 layers of clothes. then you gotta chug water again then youl be clean. but its sooo much work for one shot....i know, so you might as well stay clean

Yes, heroin is water soluble as this person says, but drinking that much water in that amount of time is very dangerous and can shut down your kidneys. and once that happens not only will that make it stay in your system longer because your body isn't letting out anything but water, it can hospitalize you. Just stay clean and you will pass every time

Can DNA tests be wrong?

DNA testing is very accurate, but isn't perfect. It is possible for a test to be wrong. If you doubt the results, you can ask to have the test repeated, or better yet, have the test run by a different laboratory.

Do Oxycontin and adderall show up the same in drug test?

Yes, They are both oxycodone. only difference is percocet has Tylenol in it. so if you take a Oxycontin with a Tylenol....tada, u have a percocet

How long does pot show up in a urine test?

Marijuana can stay in your urine up to a month..but with lots of water an cranberry juice and golden root pills or any other type or flush pill u can get it out in maybe about two weeks dependin on how much u smoked...i once got it out system in15days by flushin but I only smokd a half a joint

What low blood count dangerous?

What can you eat to raise your red blood platelets if anything, and is it dangerous. I had a blood test that showed my Red blood platelets are low, and the doctor said come back in 60 days, is it dangerous to wait that long? thanks...

What is a normal rbc?

Red blood cells, whose size, shape and hemoglobin levels are within the normal standards.

Diameter: 6-8 micrometers

Shape: Biconcave (Dough-nut shaped)

Hgb level:

* Males: 13-18 g/dL * Females: 12-16 g/dL

Mostly, any deviations from those reference ranges can be defined as a form of anemia, e.g. microcytic hypochromic anemia; which means anemia characterized by a small sized RBC with low levels of Hb

The above levels are for Hemoglobin only, so to answer the question more completely, the levels for RBC's are: · Males: 4.71mm³ - 5.14mm³ · Females: 4.2mm³ - 4.8mm³

What urine test do you use for methylphenidate?

Methylphenidate (Ritalin) can show false positives for amphetamine or methamphetamine (5 panel test) but Detection time in urine its 3-5 days

How long can hydrocodone be traced on a drug test?

Most of the time, hydrocodone will only show up for 3 days after the last use of the drug. A person who has used the drug for an extended period of time may test positive for 5-7 days, but usually three days of sobriety and you'll be in the clear.