Perimeter:Len:Pt:Head Fetus:Qn:US.derived from OFD&O-O TD - CISMeF
Perimeter:Len:Pt:Head Fetus:Qn:US.derived from OFD&O-O TDLOINC code
Preferred Label : Perimeter:Len:Pt:Head Fetus:Qn:US.derived from OFD&O-O TD;
LOINC status : ACTIVE;
LOINC long common name : Fetal Head Circumference derived from occipital-frontal diameter and outer-outer transaxial
diameter (US);
LOINC short name : Fet Head Circum by OFD O-O TD;
LOINC description : Derived from measures of occipital-frontal diameter and transaxial diameter assuming
shape is an ellipse. The outer to outer transaxial diameter is used. This estimate
should be closer to that measured with ellipse overlay or by tracing.;