Potassium [Mass/volume] in Red Blood Cells 82722-0
LOINC Code
| LOINC code | 82722-0 | ||
|---|---|---|---|
| name | Potassium [Mass/volume] in Red Blood Cells | ||
| description | Among its many physiological functions in the body, potassium controls heart function and subsequently blood pressure. Patients with hypertension and those who may develop it have been found to have lower intracellular potassium levels than patients with normal blood pressure. The measurement of intracellular potassium is a useful marker to predict the risk, development and treatment of patients with hypertension.( http://pubs.acs.org/doi/pdf/10.1021/ac900776d) Calculation: Hct= a(1-R)/a+R(b-a) where 'a' is the fraction of water in the plasma (typically a=0.93), 'b' is the fraction of water inside the erythrocytes (typically b=0.65), 'R' ratio of sodium ion concentration measured before and after lysing the RBCs | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Potassium | ||
| property | MCnc = Mass Concentration | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | RBC = Erythrocytes | ||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||
| method | |||
Additional Names | |||
| short name | Potassium RBC-mCnc | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | mg/L The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | ||
| example unit | mg/L | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
Member of these Groups | |||
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Member of these Panels | |||
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History/Usage | |||
| first released | |||
| last updated | 2.58 | ||
| last change type | ADD - added | ||
Related Names | |||
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Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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