O99.6 Diseases of the digestive system complicating pregnancy, childbirth and the puerperiumNon-billable header with 3 child codes.
O99.61 Diseases of the digestive system complicating pregnancyO99.62 Diseases of the digestive system complicating childbirthO99.63 Diseases of the digestive system complicating the puerperiumO99.512 Diseases of the respiratory system complicating pregnancy, second trimesterO99.513 Diseases of the respiratory system complicating pregnancy, third trimesterO99.519 Diseases of the respiratory system complicating pregnancy, unspecified trimesterO99.52 Diseases of the respiratory system complicating childbirthO99.53 Diseases of the respiratory system complicating the puerperiumO99.6 Diseases of the digestive system complicating pregnancy, childbirth and the puerperium (this code)O99.61 Diseases of the digestive system complicating pregnancyO99.611 Diseases of the digestive system complicating pregnancy, first trimesterO99.612 Diseases of the digestive system complicating pregnancy, second trimesterO99.613 Diseases of the digestive system complicating pregnancy, third trimesterO99.619 Diseases of the digestive system complicating pregnancy, unspecified trimester