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(1) Secretion of creatinine. (2) Improperly time urine specimens. (3) Refrigeration of the urine. (4) Time of collecting blood sample.
It's invasive, it requires medical personnel and it's not really necessary.
A aseptic urine collection is important so they can have a clean-catch. A urine specimen is sometimes called a clean-catch, urine culture, or midstream specimen of urine, and is a method of collecting a quantity of urine for testing
Typically midstream urine is taken as a urinary specimen, when you have urinary tract infection. It is good precaution to scrub the genital area with some mild soap like glycerin soap, before you take the urine specimen.
A "cath spec" is a catheterized urine specimen. Most urine specimens are voided specimens when the patient attempt to collect the urine while voiding. The risk of contaminating a voided specimen, with skin bacteria, is high even when the patient is careful. Therefore, a catheterized urine specimen is considered a reliable urine sample.
yes, example of urine culture and sensitivity.
The reason to refrigerate urine after collecting a sample is to avoid bacteria from forming in it. If a sample of urine will be taken to a lab within an hour of collecting it, then it does not need refrigerated.
random,fasting timed, 24 hour, catheterized
Taking Lasix or other diuretics will not removed phentermine from a urine specimen. It will not change the half-life of the phentermine.
Using a standardized Urinalysis System
Genetic testing does not require a urine specimen.
The most common urine collection method is a random specimen. Random specimens are often used as a quick determination of:the presence of glucose, proteins, or bloodthe appearance, as well as proteins and blood that can point to a urinary tract infection - followed with a clean catch urinalysisrandom drug testingquick pregnancy test, especially when past the first monthThe next most common is midstream clean catch urine to check for bacterial growth in a lab.First morning urine is most often used for:pregnancy testing, especially at home EPTspecific conditionsTimed collections are most often used in hospitals, but a 24 hour collection can be done outpatient.