11991-7
LOINC Code
| LOINC code | 11991-7 | |
|---|---|---|
| name | ||
| description | See Table II this reference for variance | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | Perimeter.mean | |
| property | Len = Length | |
| 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 | Abdomen^Fetus | |
| 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 | Estimated from gestational age | |
Additional Names | ||
| short name | Abd; Abd^Fetus; Abd+Fetus; Abdo; Abdomen+; Abdominal; Abdominal circumference; Abdominal circumference from gestational age; AC; AC by GA; AC(GA); Average; Avg; Circum; Circumference; Est; Est from GA; estimation; Fetal; Gest; Gestation; Gyn; Gynecology; | |
Basic Attributes | ||
| class | OB.US | |
| type | 2 Clinical | |
| order vs. observation | Fet Abd Perimet | |
| formula (readable) | ABDOMINAL CIRCUMFERENCE [cm] = -13.3 + 1.61 * (gestational age [wk]) - 0.00998 * (gestational age [wk]) ^ 2 | |
| example UCUM units | cm 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) | |
History/Usage | ||
| first released | ||
| last updated | 2.48 | |
| last change type | MAJ - change to name field other than Component; | |
| change reason | cm | |
Related Names | ||
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