11851-3
ClinicalFetal Head Diameter.occipito-frontal US
Definition
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.
LOINC 6-Axis Classification
Component
Diameter.occipito-frontal
Property
Len
Time Aspect
Pt
System
Head^Fetus
Scale Type
Qn
Method Type
US.measured
Details
Class
OB.US
Order/Observation
Observation
Short Name
Fet Head OFD US.meas
Related Names
Frequently Asked Questions
What is LOINC code 11851-3?
LOINC code 11851-3 identifies "Fetal Head Diameter.occipito-frontal US". 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.
What does 11851-3 measure?
This code measures Diameter.occipito-frontal in Head^Fetus. It belongs to the OB.US class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.