Fetal Head Circumference derived from occipital-frontal diameter and outer-outer transaxial diameter (US) 11982-6
LOINC Code
| LOINC code | 11982-6 | ||
|---|---|---|---|
| name | Fetal Head Circumference derived from occipital-frontal diameter and outer-outer transaxial diameter (US) | ||
| description | Derived from measures of occipital-frontal diameter and transaxial diameter assuming shape is an ellipse. The outer to outer transaxial diameter is used. This estimate should be closer to that measured with ellipse overlay or by tracing. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Perimeter | ||
| 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 | Head^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 | US.derived from OFD&O-O TD | ||
Additional Names | |||
| short name | Fet Head Circum by OFD+O-O TD | ||
Basic Attributes | |||
| class | OB.US | ||
| type | 2 Clinical | ||
| order vs. observation | Observation | ||
| 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) | ||
| example unit | cm | ||
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 | 2.48 | ||
| last change type | MAJ - change to name field other than Component; | ||
Related Names | |||
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