Alanine/Lysine [Mass Ratio] in DBS 88018-7
LOINC Code
| LOINC code | 88018-7 | ||
|---|---|---|---|
| name | Alanine/Lysine [Mass Ratio] in DBS | ||
| description | Elevated alanine levels is suggestive of a metabolic disorder. Since alanine levels can fluctuate depending on dietary intake, the alanine to lysine ratio is used to adjust for dietary variation. Normal alanine to lysine ratio is less than 3:1. An elevated alanine along with a elevated alaine:lysine ratio (>3) suggests true hyperalaninemia.[PMID: 18243024] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Alanine/Lysine | ||
| 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 | Bld.dot = Blood filter paper | ||
| 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 | Alanine/Lysine DBS | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| 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. | |||
History/Usage | |||
| first released | |||
| last updated | 2.63 | ||
| last change type | ADD - added | ||
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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