FACULTY OF HEALTH STUDIES
LABORATORY TECHNOLOGY STUDY PROGRAM
Urine sediment and laboratory diagnostics
Clinical chemical laboratory technologies I
, Urine sediment refers to the physical and chemical characteristics of urine that can be visualized
under a microscope after centrifugation of a urine sample. These characteristics include the
number and type of cells, crystals, bacteria, proteins, and other elements that can be found in
urine. Urine sediment is used in laboratory diagnostics to assess kidney function, detect urinary
tract infections, the presence of kidney stones, and other health problems. Common reference
values for some elements found in urine sediment are:
Erythrocyte (blood cell) count: 0-2/HPF (per visual field)
Number of leukocytes (white blood cells): 0-5/HPF
Epithelial cells: less than 10/HPF
Bacteria: less than 1000/ml
Crystals: Different types can occur, but some of the most common are oxalates, phosphates,
urates, and cystine crystals.
In addition, there are other tests used in laboratory urine diagnostics, such as tests for glucose,
ketones, bilirubin, urobilinogen and other elements. Their reference values usually vary
depending on the method used for analysis. It is important to note that the reference values may
differ depending on the laboratory and the method used for analysis. That is why it is always
recommended to consult a doctor who will refer you to a urinalysis and explain the results to
you(1).
Urine sediment
Urine sediment is made up of various elements, including cells, crystals, bacteria and other
substances that can be found in urine. This sediment can be analyzed in a laboratory to determine
the presence and concentration of these elements, which can help diagnose a variety of health
problems including urinary tract infections, kidney stones, glomerulonephritis, diabetes, kidney
failure, and others.. The composition of urine sediment can differ depending on age, gender and
other factors, so the specifics of the individual patient should be taken into account. There are
various methods of urine sediment analysis, including macroscopic and microscopic analysis, as
well as quantitative analysis using computer software. Hematuria (the presence of blood in the
urine) and proteinuria (the presence of protein in the urine) are common findings in the urine
sediment and can indicate various diseases and conditions. In addition to microscopic sediment
analysis, there are other methods for urine testing, such as testing chemical parameters, enzymes
and other substances. Crystals in urine sediment can indicate certain diseases or cause kidney
problems, such as oxalate crystals that often appear in people with kidney stones. A bacterial
urinary tract infection can be diagnosed with urine sediment analysis and bacterial culture, which
can help determine the most effective antibiotic to treat the infection. Urine sediment can also be
used to monitor treatment effectiveness and prognosis in certain diseases, such as
glomerulonephritis (2).
1
LABORATORY TECHNOLOGY STUDY PROGRAM
Urine sediment and laboratory diagnostics
Clinical chemical laboratory technologies I
, Urine sediment refers to the physical and chemical characteristics of urine that can be visualized
under a microscope after centrifugation of a urine sample. These characteristics include the
number and type of cells, crystals, bacteria, proteins, and other elements that can be found in
urine. Urine sediment is used in laboratory diagnostics to assess kidney function, detect urinary
tract infections, the presence of kidney stones, and other health problems. Common reference
values for some elements found in urine sediment are:
Erythrocyte (blood cell) count: 0-2/HPF (per visual field)
Number of leukocytes (white blood cells): 0-5/HPF
Epithelial cells: less than 10/HPF
Bacteria: less than 1000/ml
Crystals: Different types can occur, but some of the most common are oxalates, phosphates,
urates, and cystine crystals.
In addition, there are other tests used in laboratory urine diagnostics, such as tests for glucose,
ketones, bilirubin, urobilinogen and other elements. Their reference values usually vary
depending on the method used for analysis. It is important to note that the reference values may
differ depending on the laboratory and the method used for analysis. That is why it is always
recommended to consult a doctor who will refer you to a urinalysis and explain the results to
you(1).
Urine sediment
Urine sediment is made up of various elements, including cells, crystals, bacteria and other
substances that can be found in urine. This sediment can be analyzed in a laboratory to determine
the presence and concentration of these elements, which can help diagnose a variety of health
problems including urinary tract infections, kidney stones, glomerulonephritis, diabetes, kidney
failure, and others.. The composition of urine sediment can differ depending on age, gender and
other factors, so the specifics of the individual patient should be taken into account. There are
various methods of urine sediment analysis, including macroscopic and microscopic analysis, as
well as quantitative analysis using computer software. Hematuria (the presence of blood in the
urine) and proteinuria (the presence of protein in the urine) are common findings in the urine
sediment and can indicate various diseases and conditions. In addition to microscopic sediment
analysis, there are other methods for urine testing, such as testing chemical parameters, enzymes
and other substances. Crystals in urine sediment can indicate certain diseases or cause kidney
problems, such as oxalate crystals that often appear in people with kidney stones. A bacterial
urinary tract infection can be diagnosed with urine sediment analysis and bacterial culture, which
can help determine the most effective antibiotic to treat the infection. Urine sediment can also be
used to monitor treatment effectiveness and prognosis in certain diseases, such as
glomerulonephritis (2).
1
