These include: Forgetting to collect some of your urine . Going beyond the 24-hour collection period and collecting too much urine. Losing urine from the specimen container through spilling.
What can affect urinalysis results?
- vitamin C supplements.
- metronidazole.
- riboflavin.
- anthraquinone laxatives.
- methocarbamol.
- nitrofurantoin.
What can mess up a 24-hour urine test?
These include: Forgetting to collect some of your urine . Going beyond the 24-hour collection period and collecting too much urine. Losing urine from the specimen container through spilling.
What are the limitations of a 24-hour urine collection?
Results: The 24-hour urine test has several limitations, including the complexity of interpretation, the need for repeat collections, the inability to predict stone recurrence with individual parameters and supersaturation values , the unclear rationale of laboratory cutoff values and the difficulty of determining ...
What can contaminate a urine test?
If the urine is not collected in a sterile manner the urine sample may be ‘contaminated' by bacteria that originate from the skin or genital area , and not from the urinary tract. This is often described by the clinical laboratory as ‘mixed growth bacteria'.
How long can you keep a 24-hour urine sample?
If you can't hand your urine sample in within 1 hour, you should put the container in a sealed plastic bag then store it in the fridge at around 4C. Do not keep it for longer than 24 hours . The bacteria in the urine sample can multiply if it is not kept in a fridge. If this happens, it could affect the test results.
Can protein in urine be cured?
Proteinuria cannot be prevented , but it can be controlled. Many of the causes of proteinuria can be treated (diabetes, high blood pressure, preeclampsia and kidney disease), allowing your healthcare provider to improve the condition.
What should not be found in urine?
Usually, glucose, ketones, protein, and bilirubin are not detectable in urine. The following are not normally found in urine: Hemoglobin. Nitrites.
What is the normal report of urine test?
| Reference range Interpretation | Specific gravity 1.005 to 1.025 | pH 4.5 to 8 | Blood ≤3 RBCs | Glucose ≤130 mg/d(milligrams per day) |
|---|
What does abnormal urine test mean?
Abnormal: A very high specific gravity means very concentrated urine, which may be caused by not drinking enough fluid, loss of too much fluid (excessive vomiting, sweating, or diarrhea), or substances (such as sugar or protein) in the urine.
What is the recommended procedure for collecting a 24 hour urine sample?
A 24-hour urine sample is needed: On day 1, urinate into the toilet when you get up in the morning . Afterward, collect all urine in a special container for the next 24 hours. On day 2, urinate into the container when you get up in the morning.
What is considered high protein in 24 hour urine?
Normal protein levels in adults are less than 150 mg per day . If you have more than 150 mg over a 24 hour period, your doctor might do further testing.
Why is the first voided urine discarded in a 24 hour urine collection?
Urine values vary considerably during a 24-hour period, and most test methods are based on normal values for first morning samples. The first urine voided in the morning is preferred because it has a more uniform volume and concentration and a lower pH , which helps preserve the formed elements.
What infections can be found in urine?
- urethritis – infection of the urethra.
- cystitis – infection of the bladder.
- pyelonephritis – infection of the kidneys.
- vaginitis – infection of the vagina.
What color is dirty urine?
Urine gets its color, which is typically yellow , from a pigment called urochrome, or urobilin. Lighter colored urine is more diluted, whereas darker urine contains less fluid. Very dark urine could be a sign that you're dehydrated. If your urine doesn't fit within this color scheme, don't panic.
How do you examine a urine report?
- Acidity (pH). The pH level indicates the amount of acid in urine. ...
- Concentration. ...
- Protein. ...
- Sugar. ...
- Ketones. ...
- Bilirubin. ...
- Evidence of infection. ...
- Blood.
