Phosphorylated tau 181/Amyloid beta 42 peptide [Ratio] in Cerebral spinal fluid 97102-8
LOINC Code
| LOINC code | 97102-8 | ||
|---|---|---|---|
| name | Phosphorylated tau 181/Amyloid beta 42 peptide [Ratio] in Cerebral spinal fluid | ||
| description | The ratio of phosphorylated tau-181 (p-tau(181)) to beta-amyloid 42 (Abeta42). To report the ratio of total tau (t-tau) to Abeta42 in cerebral spinal fluid, use Tau protein/Amyloid beta 42 peptide [Ratio] in CSF [LOINC: 41027-4]. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Tau protein.phosphorylated 181/Amyloid beta 42 peptide | ||
| property | 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 | 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 | |||
Additional Names | |||
| short name | p-tau181/AL beta42 CSF-Rto | ||
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 | 2.70 | ||
| last change type | ADD - added | ||
Related Names | |||
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