Fetal Head Diameter.occipito-frontal US 11851-3
LOINC Code
| LOINC code | 11851-3 | ||
|---|---|---|---|
| name | Fetal Head Diameter.occipito-frontal US | ||
| description | Distance from frontal to occipital bone measured in same plane as biparietal diameter. Authors vary but seems most reasonable to use outer to outer edge in determining circumference. Measurement used to derive circumference and cephalic index. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Diameter.occipito-frontal | ||
| 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.measured | ||
Additional Names | |||
| short name | Fet Head OFD US.meas | ||
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 | 2.58 | ||
| last change type | MAJ - change to name field other than Component; | ||
Related Names | |||
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