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3020564
Creatinine or creatine anhydride, is a breakdown product of creatine phosphate in muscle. The loss of water molecule from creatine results in the formation of creatinine. It is transferred to the kidneys by blood plasma, whereupon it is eliminated by glomular filtration and partial tubular excretion. Creatinine is usually produced at a fairly constant rate and measuring its serum level is a simple test. A rise in blood creatinine levels is observed only with marked damage to functioning nephrons; therefore this test is not suitable for detecting early kidney disease. Creatine and creatinine are metabolized in the kidneys, muscle, liver and pancreas. [1]
Ranges vary by age and become gender-specific at 16 years and older. [2]
In the OMOP vocabulary 3020564 is a Standard Concept that represents the measurement CREATININE [MOLES/VOLUME] IN SERUM OR PLASMA
The recommended low and high values for each unit associated with 3020564 are below. These are not meant to be normal values. Rather, these are meant to be biologically plausible values. For example, it would be implausible to see a patient with a weight of 0 kg though a person could be 2.5 kg.
In the OMOP vocabulary 8749 is a Standard Concept that represents the unit MICROMOLE PER LITER
0.001
300
The range 0.001-300 was chosen based on values seen in real world data. In the data reviewed nearly 100% of data with this standard unit concept should be accounted for.