CLINICAL LAB SCIENEC

300
ESSENTIALS OF CLINICAL LABORATORY SCIENCE
In the Lab
Table 12-3 Urine Chemistry Report with Normal Values
Analyte
Glucose
Bilirubin
Ketone
Normal
Negative to trace*
Negative*
Negative*
Specifi c gravity 1.005 to 1.030*
Blood
Negative*
pH 5.0 to 6.0*
Protein
Urobilinogen
Nitrite
Leukocytes
*Range that is found in most normal individuals.
Negative to trace*
0.2 to 1.0 mg/dL*
Negative*
Negative*
Reporting of Results
1. Using the laboratory report form provided (Procedure Report Form*) or other
appropriate form, record the biochemical test results. Use the following terms in
your report. Note that “normal” values are shown in Table 12-3.
Urine color
colorless, straw, yellow, amber, red, brown, blue, or green
Urine appearance clear, hazy, cloudy, or turbid
Glucose
negative, 100, 250, 500, 1000, or ~2000 mg/dL
Bilirubin
negative, + (Small), ++ (Moderate), +++ (Large)
Ketone
negative, trace, small, moderate, or large
Specific gravity 1.000, 1.005, 1.010, 1.015, 1.020, 1.025, or 1.030
Blood
present as intact RBCs or non-hemolyzed (negative, trace, moderate), and
as hemolyzed (negative, trace, small, moderate, large)
pH 5.0, 6.0, 6.5, 7.0, 7.5, 8.0, or 8.5
Protein
negative, trace, +/30 (1+), ++/100 (2+), +++/500 (3+), >2000 (4+) in mg/dL
Urobilinogen normal, 2, 4, or 6 Ehrlich units
Nitrites
negative or positive
Leukocytes
negative, trace, small, moderate, or large
(white blood cells)
2. Perform confirmatory tests (see Procedures #3 through #6) if indicated and report
the results in the appropriate portion of the report form or on a separate form.
*Note: Some sections of the Procedure Report Form will not be completed until after you have undertaken
additional procedures in this chapter. Confirmatory test results for acetone (Acetest) will be obtained in Procedure
#3, for bilirubin (Icotest) in Procedure #4, for glucose (Clinitest) in Procedure #5, and for protein in Procedure #6.
Procedure #2 addresses microscopic examination.
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