Table 2.

Key Maternal and Child Health chapters of the International Classification of Diseases, Tenth Revision coding system.

Chapter	Description	Code range
XV	Pregnancy, childbirth, and the puerperium	O00xx to O99xx
XVI	Certain conditions originating in the perinatal period	P00xx to P96xx
XVIII	Symptoms, signs, and abnormal clinical and laboratory findings not elsewhere classified	R00xx to R99xx
XX	External causes of morbidity and mortality	V01xx to Y98xx
XXI	Factors influencing health status and contact with health services	Z00xx to Z99xx