IgG.kappa/IgG.lambda [Mass Ratio] in Serum or Plasma 74868-1
LOINC Code
| LOINC code | 74868-1 | ||
|---|---|---|---|
| name | IgG.kappa/IgG.lambda [Mass Ratio] in Serum or Plasma | ||
| description | Measuring both the IgGκ and IgGλ, calculating the IgGκ/IgGλ ratio, and then comparing with normal subjects levels may provide a more sensitive indication of clonality. Usage of the IgGκ/IgGλ ratio may also compensate for any fluctuations in plasma volume and adjust for half-life variations. This term was based on, but not limited in use to, the Hevylite Human IgG Kappa and Lambda assays. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | IgG.kappa/IgG.lambda | ||
| property | MRto = Mass Ratio | ||
| 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/Plas Ser = Serum Plas = Plasma | ||
| 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 | IgG Kappa/G lambda SerPl | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| formula (readable) | IgG kappa (unit g/L) is divided by IgG lambda (unit: g/L) to calculate the IgG kappa/lambda-ratio. | ||
| example UCUM units | {ratio} 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 | ratio | ||
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 Panels | |||
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History/Usage | |||
| test rank | 16193 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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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