Parathyrin.intact intraoperative percent change in Serum or Plasma 70664-8
LOINC Code
| LOINC code | 70664-8 | ||
|---|---|---|---|
| name | Parathyrin.intact intraoperative percent change in Serum or Plasma | ||
| description | Primary hyperparathyroidism is treated by surgically removing one or multiple glands. The decision on what glands need to be removed is made based on PTH intact levels drawn during the surgical procedure. Differential sampling and intra-operative PTH values also help locate hard to find parathyroid glands. A decrease in PTH of 50% or more from baseline to post-surgery PTH predicts operative success. [1] Source: [1] Jacobs and DeMott Laboratory Test Handbook, 5th edition, DS Jacobs, WR DeMott and DK Oxley, 2001. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Parathyrin.intact intraoperative percent change | ||
| property | MCPctDiff = Percent Difference in Mass 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/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 | PTH-Intact IO % Dif SerPl | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Observation | ||
| formula (readable) | Intact PTH preoperative - intact PTH intraoperative/2 = Average intact PTH Average intact PTH/intact PTH intraoperative x 100 = intact PTH percent change | ||
| example UCUM units | % 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 | % | ||
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 | 5535 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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