D	C92781	Beat to Beat Variability	Beat to Beat Variability	Fetal Heart Rate Variability	A fetal heart monitor finding where there is a change in the beats per minute from one fetal heart beat to the next.		C92790	Fetal Heart Rate Variability			C99147	Neonatal Research Network Terminology
D	C43262	Exophthalmos	Exophthalmos		A protrusion of the eyeball from the socket.		C99208	Eye Finding			C99147	Neonatal Research Network Terminology
C	C84473	Atrial Septal Defect	Atrial Septal Defect		The presence of a defect (opening) in the septum that separates the two atria of the heart. It can be congenital or acquired.		C84482	Congenital Septal Defect			C99147	Neonatal Research Network Terminology
C	C3408	Thrombocytopenia	Thrombocytopenia	Thrombocytopenic Disorder	A laboratory test result indicating that there is an abnormally small number of platelets in the circulating blood.	Abnormally low level of platelets in the blood.	C26323	Hematologic Disorder	C36292	Laboratory Test Result	C99147	Neonatal Research Network Terminology