Fetal Head Diameter.biparietal/Diameter.occipital derived by US   11823-2

LOINC Code


LOINC code11823-2
nameFetal Head Diameter.biparietal/Diameter.occipital derived by US
descriptionRatio of biparietal diameter (short axis) to occipito-frontal diameter (long axis) x 100
statusACTIVE

Fully-Specified Name

componentDiameter.biparietal/Diameter.occipital
propertyLenRto  =  Length Ratio
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemHead^Fetus
scaleQn  =  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
methodUS.derived

Additional Names

short nameFet BPD/OFD der US

Basic Attributes

classOB.US
type2  Clinical
order vs. observationObservation
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 unitratio

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

test rank11639 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

BPD
BPD/Diam.occipital
Brain
Cephalic index
CI
Cranial
Cranium
der US
DIA
Diam
Echoencephalogram
Echoencephalography
Echography
Fetal
Gyn
Gynecology
Intracranial
Length Ratio
OB
ObGyn
OBSTERICAL
OBSTERICAL.ULTRASOUND
Obstetrical
Obstetrics
OFD
Point in time
QNT
Quan
Quant
Quantitative
Random
Skull
Sonogram
Sonograph
Sonography
ULS
Ultrasound

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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