Chapter XVI

Certain conditions originating in the perinatal period
(P00-P96)

Disorders related to length of gestation and fetal growth
(P05-P08)


P05	Slow fetal growth and fetal malnutrition
P05.0	Light for gestational age
	Usually referred to as weight below but length above 10th centile for gestational age.
	Light-for-dates
P05.1	Small for gestational age
	Usually referred to as weight and length below 10th centile for gestational age.
	Small-for-dates Small-and-light-for-dates
P05.2	Fetal malnutrition without mention of light or small for gestational age
	Infant, not light or small for gestational age, showing signs of fetal malnutrition, such as dry, peeling skin and loss of subcutaneous tissue.
	Excludes:	fetal malnutrition with mention of: · light for gestational age ( P05.0 ) · small for gestational age ( P05.1 )
P05.9	Slow fetal growth, unspecified
# #	Fetal growth restriction NOS Fetal growth retardation NOS Intrauterine growth restriction or retardation


P07	Disorders related to short gestation and low birth weight, not elsewhere classified
	Note:	When both birth weight and gestational age are available, priority of assignment should be given to birth weight.
	Includes:	the listed conditions, without further specification, as the cause of mortality, morbidity or additional care, in newborn
	Excludes:	low birth weight due to slow fetal growth and fetal malnutrition ( P05.- )
P07.0	Extremely low birth weight
	Birth weight 999 g or less.
P07.1	Other low birth weight
	Birth weight 1000-2499 g.
P07.2	Extreme immaturity
	Less than 28 completed weeks (less than 196 completed days) of gestation.
P07.3	Other preterm infants
	28 completed weeks or more but less than 37 completed weeks (196 completed days but less than 259 completed days) of gestation.
	Prematurity NOS


P08	Disorders related to long gestation and high birth weight
	Note:	When both birth weight and gestational age are available, priority of assignment should be given to birth weight.
	Includes:	the listed conditions, without further specification, as causes of mortality, morbidity or additional care, in fetus or newborn
P08.0	Exceptionally large baby
#	Large for gestational age [birth weight above 90th centile for gestational age].
	Usually implies a birth weight of 4500 g or more.
	Excludes:	syndrome of: · infant of diabetic mother ( P70.1) · infant of mother with gestational diabetes ( P70.0)
P08.1	Other heavy for gestational age infants
	Other fetus or infant heavy- or large-for-dates regardless of period of gestation.
P08.2	Post-term infant, not heavy for gestational age
	Fetus or infant with gestation period of 42 completed weeks or more (294 days or more), not heavy- or large-for-dates.
	Postmaturity NOS