Any hospital infection during pregnancy	Includes all following ICD-10 codes
Certain infectious and parasitic diseases (generally recognised as communicable or  transmissible diseases)	A00-B99
Infections of genito-urinary tract in pregnancy	O23
Maternal infectious and parasitic diseases classifiable elsewhere but complicating  pregnancy, childbirth, and the peurperium	O98
Infection of amniotic sac and membranes	O41.1
All other hospital infections (eye, ear, central nervous system, upper airway,  pneumonia, etc.)	See below table

Complete list of ‘all other infectionsȉ category:
Infection in the central nervous system	G00-G02, G04-G07
Eye infections	H00-H01, H03, H040, H043, H10, H16
Ear infections	H60, H62, H65-H68, H70, H75
Upper airway infections	J00-J06
Pneumonia and influenza	J09-J18, J20-J22
Abscess in thorax	J85-J86
Stomatitis, glossitis	K12, K14
Appendicitis	K35, K379
GI abscess	K61
Peritonitis	K650
Cholescystitis	K810
Liver abscess	K750
Skin infections	L00-L08
Infections of joints (excluding common inflammatory)	M00-M01
Infective myositis	M600
Osteomyelitis	M860-M862, M869
Kidney infections	N10, N129
Cystitis	N30
Genital infections	N70-N77