33139-7

LOINC Code


LOINC code33139-7
name
statusACTIVE

Fully-Specified Name

componentBody weight
propertyMass
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.
system^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+Estimated from BPD&TTD.Hansmann 1986

Additional Names

short name86; Bdy weight; Biparietal diameter; bod; Bodies; Echography; EFW; Est; Estimated fetal weight; estimation; Fetal; from BPD&TTD.Hansmann86; Gyn; Gynecology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; predicted; Q

Basic Attributes

classOB.US
type2  Clinical
order vs. observationEFW from BPD&TT
formula (readable)EFW(kg) = - 1.05775 * BPD + 0.649145 * TTD + 0.0930707 * BPD 2 - 0.020562 * T D 2 + 0.5152632; SD = +/- 15.8%; Input Limits: TTD 4.9 - 12.1 cm, BPD 6.0 - 10.9 cm; Results Limits: 206g - 4888g
example UCUM unitskg
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)

Member of these Groups

LG50068-2Body weight|Mass|^Fetus|ANYMethod

History/Usage

first released
last updated2.7
last change typeMIN  - change to field other than name
change reasonkg

Related Names

N

Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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