ICD-9-CM Volume 2 Index entries containing back-references to 
622.4:
- Atresia, atretic (congenital) 759.89  cervix (acquired) 622.4 cervix (acquired) 622.4  congenital 752.49 congenital 752.49 
  in pregnancy or childbirth 654.6 in pregnancy or childbirth 654.6    affecting fetus or newborn 763.89 affecting fetus or newborn 763.89 
   causing obstructed labor 660.2 causing obstructed labor 660.2     affecting fetus or newborn 763.1 affecting fetus or newborn 763.1 
 
 
 
 
- Contraction, contracture, contracted cervix (see also Stricture, cervix) 622.4 cervix (see also Stricture, cervix) 622.4
  internal os (see also Stricture, cervix) 622.4 internal os (see also Stricture, cervix) 622.4
 
- Occlusion cervical canal (see also Stricture, cervix) 622.4 cervical canal (see also Stricture, cervix) 622.4  by falciparum malaria 084.0 by falciparum malaria 084.0 
 
  cervix (uteri) (see also Stricture, cervix) 622.4 cervix (uteri) (see also Stricture, cervix) 622.4
 
- Pinpoint os (uteri) (see also Stricture, cervix) 622.4 os (uteri) (see also Stricture, cervix) 622.4
 
- Stenosis (cicatricial) - see also Stricture cervix, cervical (canal) 622.4 cervix, cervical (canal) 622.4  congenital 752.49 congenital 752.49 
  in pregnancy or childbirth 654.6 in pregnancy or childbirth 654.6    affecting fetus or newborn 763.89 affecting fetus or newborn 763.89 
   causing obstructed labor 660.2 causing obstructed labor 660.2     affecting fetus or newborn 763.1 affecting fetus or newborn 763.1 
 
 
 
 
- Stricture (see also Stenosis) 799.89  cervix, cervical (canal) 622.4 cervix, cervical (canal) 622.4  congenital 752.49 congenital 752.49 
  in pregnancy or childbirth 654.6 in pregnancy or childbirth 654.6    affecting fetus or newborn 763.89 affecting fetus or newborn 763.89 
   causing obstructed labor 660.2 causing obstructed labor 660.2     affecting fetus or newborn 763.1 affecting fetus or newborn 763.1 
 
 
 
  os uteri (see also Stricture, cervix) 622.4 os uteri (see also Stricture, cervix) 622.4