Holo-transcobalamin II [Moles/volume] in Serum 72160-5
LOINC Code
| LOINC code | 72160-5 | ||
|---|---|---|---|
| name | Holo-transcobalamin II [Moles/volume] in Serum | ||
| description | The fraction of vitamin B12 bound to transcobalamin II (TC-II), normally <30% of the total, is considered the "active" fraction available to cells. There have been claims in the literature that measurement of specifically the "active" fraction is an earlier indicator of deficiency, although as of 2011 this claim is reported to be controversial (Am J Clin Nutr. 2011 Jul;94(1):348S-358S. Epub 2011 May 18). | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Holo-transcobalamin II | ||
| property | SCnc = Substance 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 | Ser = Serum | ||
| 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 | Holo-TC-II Ser-sCnc | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | pmol/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 | pmol/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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.42 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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