Chapter XVI

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

Respiratory and cardiovascular disorders specific to the perinatal period
(P20-P29)


P20		Intrauterine hypoxia
		Includes:	abnormal fetal heart rate fetal or intrauterine: · acidosis · anoxia · asphyxia · distress · hypoxia meconium in liquor passage of meconium
		Excludes:	intracranial haemorrhage due to anoxia or hypoxia ( P52.- )
P20.0		Intrauterine hypoxia first noted before onset of labour
P20.1		Intrauterine hypoxia first noted during labour and delivery
P20.9		Intrauterine hypoxia, unspecified


P21		Birth asphyxia
		Note:	This category is not to be used for low Apgar score without mention of asphyxia or other respiratory problems.
		Excludes:	intrauterine hypoxia or asphyxia ( P20.- )
P21.0		Severe birth asphyxia
		Pulse less than 100 per minute at birth and falling or steady, respiration absent or gasping, colour poor, tone absent.
		Asphyxia with 1-minute Apgar score 0-3 White asphyxia
P21.1		Mild and moderate birth asphyxia
		Normal respiration not established within one minute, but heart rate 100 or above, some muscle tone present, some response to stimulation.
		Asphyxia with 1-minute Apgar score 4-7 Blue asphyxia
P21.9		Birth asphyxia, unspecified
		Anoxia Asphyxia Hypoxia				} } }	NOS


P22		Respiratory distress of newborn
		Excludes:	respiratory failure of newborn ( P28.5 )
P22.0		Respiratory distress syndrome of newborn
		Hyaline membrane disease
P22.1		Transient tachypnoea of newborn
P22.8		Other respiratory distress of newborn
P22.9		Respiratory distress of newborn, unspecified


P23		Congenital pneumonia
		Includes:	infective pneumonia acquired in utero or during birth
		Excludes:	neonatal pneumonia resulting from aspiration ( P24.- )
P23.0		Congenital pneumonia due to viral agent
		Excludes:	congenital rubella pneumonitis ( P35.0 )
P23.1		Congenital pneumonia due to Chlamydia
P23.2		Congenital pneumonia due to staphylococcus
P23.3		Congenital pneumonia due to streptococcus, group B
P23.4		Congenital pneumonia due to Escherichia coli
P23.5		Congenital pneumonia due to Pseudomonas
P23.6		Congenital pneumonia due to other bacterial agents
		Haemophilus influenzae Klebsiella pneumoniae Mycoplasma Streptococcus, except group B
P23.8		Congenital pneumonia due to other organisms
P23.9		Congenital pneumonia, unspecified


P24		Neonatal aspiration syndromes
		Includes:	neonatal pneumonia resulting from aspiration
P24.0 #		Neonatal aspiration of meconium Rupture of Descemet's membrane
P24.1		Neonatal aspiration of amniotic fluid and mucus
		Aspiration of liquor (amnii)
P24.2		Neonatal aspiration of blood
P24.3		Neonatal aspiration of milk and regurgitated food
P24.8		Other neonatal aspiration syndromes
P24.9		Neonatal aspiration syndrome, unspecified
		Neonatal aspiration pneumonia NOS


P25		Interstitial emphysema and related conditions originating in the perinatal period
P25.0 #		Interstitial emphysema originating in the perinatal period Pulmonary interstitial emphysema
P25.1		Pneumothorax originating in the perinatal period
P25.2		Pneumomediastinum originating in the perinatal period
P25.3		Pneumopericardium originating in the perinatal period
P25.8		Other conditions related to interstitial emphysema originating in the perinatal period


P26		Pulmonary haemorrhage originating in the perinatal period
P26.0		Tracheobronchial haemorrhage originating in the perinatal period
P26.1		Massive pulmonary haemorrhage originating in the perinatal period
P26.8		Other pulmonary haemorrhages originating in the perinatal period
P26.9		Unspecified pulmonary haemorrhage originating in the perinatal period


P27		Chronic respiratory disease originating in the perinatal period
P27.0		Wilson-Mikity syndrome
		Pulmonary dysmaturity
P27.1		Bronchopulmonary dysplasia originating in the perinatal period
P27.8		Other chronic respiratory diseases originating in the perinatal period
		Congenital pulmonary fibrosis Ventilator lung in newborn
P27.9		Unspecified chronic respiratory disease originating in the perinatal period


P28		Other respiratory conditions originating in the perinatal period
		Excludes:	congenital malformations of the respiratory system ( Q30-Q34 )
P28.0		Primary atelectasis of newborn
		Primary failure to expand terminal respiratory units Pulmonary: · hypoplasia associated with short gestation · immaturity NOS
P28.1		Other and unspecified atelectasis of newborn
		Atelectasis: · NOS · partial · secondary Resorption atelectasis without respiratory distress syndrome
P28.2		Cyanotic attacks of newborn
		Excludes:	apnoea of newborn ( P28.3-P28.4 )
P28.3		Primary sleep apnoea of newborn
#		Idiopathic apnoea of prematurity Sleep apnoea of newborn NOS
P28.4		Other apnoea of newborn
P28.5		Respiratory failure of newborn
P28.8		Other specified respiratory conditions of newborn
		Congenital (laryngeal) stridor NOS Snuffles in newborn
		Excludes:	early congenital syphilitic rhinitis ( A50.0 )
P28.9		Respiratory condition of newborn, unspecified


P29		Cardiovascular disorders originating in the perinatal period
		Excludes:	congenital malformations of the circulatory system ( Q20-Q28 )
P29.0		Neonatal cardiac failure
P29.1		Neonatal cardiac dysrhythmia
P29.2		Neonatal hypertension
P29.3		Persistent fetal circulation
		Delayed closure of ductus arteriosus Pulmonary hypertension of newborn (persistent)
P29.4		Transient myocardial ischaemia of newborn
P29.8		Other cardiovascular disorders originating in the perinatal period
P29.9		Cardiovascular disorder originating in the perinatal period, unspecified