Evaluation of Common Urine Specimen Adulteration Indicators

Urine specimen collection and transport.

is started on a new antibiotic, always take an “antibiotic timeout” and reassess the patient after the first 48 to 72 hours of antimicrobial therapy to assure that the patient has responded to the antimicrobial therapy, as many of the uropathogens are multidrug-resistant. A urinalysis and culture should be collected based on the patient’s symptoms and not solely based on the urine’s characteris...

Specimen Adulteration and Substitution in Workplace Drug Testing.

Throughout the history of workplace drug testing, individuals have attempted to subvert their drug test results to mask their use of illegal drugs. Urine workplace specimens have been subject to tampering, from early attempts involving household chemicals and simple dilution or substitution to current attempts using the multitude of readily available commercial adulteration and substitution pro...

Taking a midstream specimen of urine.

Collecting midstream specimens of urine (MSU) is a common nursing activity. It is indicated for adults and children who are continent and can empty their bladder on request. The general principle is to collect the midstream or middle part of a void if a urinary tract infection (UTI) is suspected. Since this is one of the most frequently occurring infections, an MSU may be required in many areas...

Obtaining a catheter specimen of urine.

Evaluation of urine as a clinical specimen for diagnosis of hepatitis a.

The present study pertains to the evaluation of urine as a specimen for detection of anti-hepatitis A virus (anti-HAV) antibodies. Immunoglobulin M (IgM), IgG, and IgA capture enzyme-linked immunosorbent assays for hepatitis A were performed on paired serum and urine specimens collected from hepatitis A patients (n = 92), healthy individuals (n = 100), non-A hepatitis patients (n = 70), and pat...