Chemical Screening of Urine by Reagent Strip (Online CE Course)

(based on 1,319 customer ratings)

Author: Leah Coppolino, MPH, MLS(ASCP)
Reviewer: Alexandru Casapu, MBA, MLS(ASCP)CM

How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 145 CE courses, most popular
$95Add to cart
Pick Your Courses
Up to 8 CE hours
$50Add to cart
Individual course$20Add to cart
Need multiple seats for your university or lab? Get a quote

This course discusses the chemical tests that are an integral part of a urinalysis. Proper specimen handling and technique are discussed for key tests, including pH, specific gravity, protein, glucose, ketones, bilirubin, blood, nitrites, urobilinogen, and leukocyte esterase.

See all available courses

Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 1.5 hour(s)
Approved through 2/28/2022
Florida Board of Clinical Laboratory Personnel Credit Hours - General (Clinical Chemistry/UA/Toxicology): 1.5 hour(s)
Approved through 9/1/2022

Objectives

  • Define the optimal storage time and temperature for urinalysis samples.
  • Review the proper storage of and procedure for the use of urinalysis reagent strips.
  • Describe the chemical reactions, quality control measures, and interpretation of results for urinalysis reagent strip analytes including pH, specific gravity, protein, glucose, ketones, bilirubin, blood, nitrites, urobilinogen, leukocyte esterase.
  • Explain the proper techniques used during urinalysis reagent strip testing; ensuring accuracy.
  • Identify conditions and/or substances that may interfere with urinalysis reagent strip testing.
  • Identify the additional testing protocols used to confirm urinalysis reagent strip testing results.
  • Summarize the analytical principles of measurement in urinalysis reagent strip instruments.

Customer Ratings

(based on 1,319 customer ratings)

Course Outline

Click on the links below to preview selected pages from this course.
  • Introduction to Urine Chemical Reagent Strips
      • Chemical Urinalysis Reagent Strips
      • Urine Specimen Collection
      • Urine Specimen Transport
      • Reagent Strip Procedure: Manual or Semi-Automated Methods
      • Handling and Storage of Urine Reagent Strips
      • Which of the following statements are true regarding the storage and handling of urine reagent strips? (Choose ALL correct answers)
      • All the following statements about the urine specimen are true EXCEPT:
      • Which of the following statements are true for the reagent strip procedure? (Choose ALL correct answers)
      • Quality control procedures should be performed with each new lot of chemical reagent strips and as often as required by the laboratory's procedure.
  • Urine pH Analysis
      • pH Analysis: The Urine Specimen
      • pH Reaction
      • Urine pH: Acidic and Alkaline
      • A urine specimen was collected at 6:00 AM and remained at room temperature until it was received in the laboratory at 3:30 PM How may the pH of the sp...
      • Match the following factors with the expected urine pH type:
  • Urine Specific Gravity Analysis
      • Measuring Specific Gravity (SG)
      • Advantages and Limitations of the Chemical Reagent Strip Method for Specific Gravity (SG)
      • Clinical Significance of Specific Gravity
      • How does ion concentration in the urine relate to specific gravity?
  • Urine Protein Analysis
      • Protein Error of Indicators
      • Confirmatory Testing for Urine Protein
      • Clinical Significance of Urine Protein
      • Clinical Significance of Urine Protein, continued
      • Follow-up Testing for Positive Urine Protein
      • The presence of increased levels of protein in the urine may be an early indicator of which of the following conditions?
      • Examples of conditions resulting in benign proteinuria include: (Choose ALL correct answers)
  • Urine Glucose Analysis
      • Glucose Reaction
      • False-Positive and False-Negative Urine Glucose Results
      • Clinical Significance of Glucose in the Urine
      • Which of the following conditions produce glycosuria (glucose in the urine)? Choose all that apply.
  • Urine Ketone Analysis
      • Ketones Overview
      • Ketone Reaction
      • False-Positive and False-Negative Ketone Test Results
      • Clinical Significance of Urine Ketones
      • The ketone component that is measured by the nitroprusside reaction is:
      • Which of the following can cause a false-positive result for ketones?
      • Significantly increased levels of ketones are detected in the urine with which of the following conditions? Choose all that apply.
  • Urine Blood Analysis
      • Introduction to Hematuria
      • Blood Reaction
      • False-Positive and False-Negative Results
      • Clinical Significance of Blood in Urine
      • A urine sample is cloudy pink in appearance. The microscopic examination reveals the presence of intact red blood cells (RBCs). What is the term that ...
      • Which of the following substances can cause a false-positive result for blood on the urine reagent strip?
  • Urine Nitrite Analysis
  • Urine Leukocytes
      • Leukocytes Reaction
      • Leukocytes Reaction, continued
      • False-Positive and Falsely-Decreased Results
      • Clinical Significance of Leukocytes in Urine
      • To screen for urinary tract infection, the leukocytes test result should be evaluated along with the results from which of these other reagent strip t...
  • Urine Bilirubin Analysis
      • Overview of Bilirubin
      • Bilirubin Reaction
      • False-Positive and False-Negative Urine Bilirubin Results
      • Ruling out False-Positive Urine Bilirubin Test Results
      • Clinical Significance of Urine Bilirubin
      • Which of the following may cause a false positive bilirubin result on a urine chemical reagent strip?
      • When a patient has a bile duct obstruction, the bilirubin test portion of the reagent strip is:
      • A positive reagent strip bilirubin test indicates the presence of what form of bilirubin in the urine?
  • Urine Urobilinogen Analysis
      • Introduction to Urobilinogen
      • Urobilinogen Reaction
      • False-Positive and False-Negative Urobilinogen Results
      • Clinical Significance of Urobilinogen in Urine
  • Automation of Chemical Reagent Strip Analysis
      • Semi-Automated Instruments
      • Automated Systems
      • Quality Control
      • Semi-automated and automated urine reagent strip readers offer what advantage over manual methods?
      • Urine chemical reagent strips readers can utilize any manufacturers dipsticks.
      • When an automated or semi-automated method is used to read urine chemical reagent strips, quality control testing must be performed at least how often...
  • References
      • References

Additional Information

Level of instruction: Basic
 
Intended audience: Medical laboratory science and medical laboratory technician students, clinical laboratory personnel, and other medical personnel who perform urine dipstick testing at the point-of-care.  
 
Author information: Leah Coppolino, MPH, MLS(ASCP) is the Director of Sales and Marketing for MediaLab, Inc. Previously, she was the Director of Education and Outreach as well as the Medical Laboratory Science Program Director at St. Christopher’s Hospital for Children in Philadelphia, Pennsylvania. Leah holds a Masters in Public Health from Thomas Jefferson University.
 
Reviewer Information: Alexandru Casapu, MBA, MLS(ASCP)CM, PBTCM has over 20 years of experience as a medical laboratory scientist, section supervisor, and laboratory manager. He is the former Director of Clinical Laboratory Technology Program at Georgia Piedmont Technical College. He is currently a Program Director at MediaLab, Inc. Alexandru holds BS degrees in Biology and Medical Technology from Clark Atlanta University and a MBA from the University of Georgia.
 

Keywords

These are the most common topics and keywords covered in Chemical Screening of Urine by Reagent Strip:

protein bilirubin diet readers concentration positivesa enzyme diazonium conjugated pigments pediatric body conditions nitrate nephropathy dehydration captopril bile benign organisms negativesfalse galactose reagents porphobilinogen antibiotic specimens pregnancy yeasts infections oxidizing alkaline metabolic granulocytes infection semi-automated metabolize glomerulonephritis proteinuria starvation anemia contamination blood urinary dipsticks kidney false-positive contains bacterial acidic bottle exposure lupus sediment bromothymol compounds esterase trauma clinical diabetes well-mixed peroxide cells physician samples orthostatic gram-positive lymphocytes pregnant chemicals hemoglobin white blood cells glycosuria intestinal acetone ehrlich carbohydrates ictotest#174 hemoglobinuria red blood cells ketones urinalysis leukocyte catalyzes granulocytic feces sensitivity liver ketoacidosis toxic nitrite beta-hydroxybutyric controls methyl hydrogen hepatitis hypochlorite ascorbic containers laboratory procedures hematuria cirrhosis nitrates urines disorders l-dopa acid-base diabetic carbohydrate disease paramount colors tubular albumin urobilinogen hemolysis myeloma chemical watson-schwartz bromthymol calibration chloropromazine metabolism gram-negative methods acetoacetic tubules urobilin burns esterases abnormal answers container mellitus dipstick bacteria errors instructions nitrites hemolytic microvascular blot glucose cystitis myoglobin bladder erythematosus indoxyl nitroprusside metabolites glomerular urine oxidation specific gravity
How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 145 CE courses, most popular
$95Add to cart
Pick Your Courses
Up to 8 CE hours
$50Add to cart
Individual course$20Add to cart
Need multiple seats for your university or lab? Get a quote
Chemical Screening of Urine by Reagent Strip


2 urine microscopic tubes in blue rack sml


orange lid sterile urine cup with urine 2 sml


urine strip almost dipping into urine cup sml


urine strips with controls sml


timer for urinalysis sml


Correct storage


urine strip vertical in front of strip bottle and urine sml