11983-4
ClinicalFetal Head Circumference derived from occipital-frontal diameter and outer-inner biparietal diameter (US)
Definition
Derived from measures of occipital-frontal diameter and transaxial diameter assuming shape is an ellipse. The outer to inner transaxial, or biparietal, is used
LOINC 6-Axis Classification
Component
Perimeter
Property
Len
Time Aspect
Pt
System
Head^Fetus
Scale Type
Qn
Method Type
US.derived from OFD&O-I BPD
Details
Class
OB.US
Order/Observation
Observation
Short Name
Fet Head Circum by OFD+O-I BPD
Related Names
Frequently Asked Questions
What is LOINC code 11983-4?
LOINC code 11983-4 identifies "Fetal Head Circumference derived from occipital-frontal diameter and outer-inner biparietal diameter (US)". Derived from measures of occipital-frontal diameter and transaxial diameter assuming shape is an ellipse. The outer to inner transaxial, or biparietal, is used
What does 11983-4 measure?
This code measures Perimeter 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.