IgG synthesis rate [Mass/time] in Serum and CSF by calculation 14116-8
LOINC Code
| LOINC code | 14116-8 | ||
|---|---|---|---|
| name | IgG synthesis rate [Mass/time] in Serum and CSF by calculation | ||
| description | IgG synthesis expresses the synthesis of IgG inside the blood brain barrier, in mg/day, calculated with a formula based on theoretical considerations and on results of clearance studies for a small number of patients. IgG syn = {(IgG.CSF - IgG.serum/369) - (Alb.CSF - Alb.serum/230) x (IgG.serum/Alb.serum) x 0.43} x 0.5. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | IgG synthesis rate | ||
| property | MRat = Mass Rate | ||
| 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+CSF Ser = Serum CSF = Cerebral spinal fluid | ||
| 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 | Calculated | ||
Additional Names | |||
| short name | IgG Synth Rate Ser+CSF Calc-mRate | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| formula (readable) | IgG syn = {IgG.CSF - IgG.serum/369) - (Alb.CSF - Alb.serum/230) x (IgG.serum/Alb.serum) x 0.43} x 0.5. | ||
| example UCUM units | mg/(24.h) 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/24 H | ||
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 | 2594 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 © 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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