MCC Codes: Pregnancy, Childbirth and the Puerperium (O00-O9A)
215 codes in O00-O9A are an MCC as a secondary diagnosis under MS-DRG v44.0 (FY2027). Full MCC list
O00-O08
| O03.2 | Embolism following incomplete spontaneous abortion |
| O03.31 | Shock following incomplete spontaneous abortion |
| O03.32 | Renal failure following incomplete spontaneous abortion |
| O03.81 | Shock following complete or unspecified spontaneous abortion |
| O03.82 | Renal failure following complete or unspecified spontaneous abortion |
| O04.7 | Embolism following (induced) termination of pregnancy |
| O04.81 | Shock following (induced) termination of pregnancy |
| O04.82 | Renal failure following (induced) termination of pregnancy |
| O07.2 | Embolism following failed attempted termination of pregnancy |
| O07.31 | Shock following failed attempted termination of pregnancy |
| O07.32 | Renal failure following failed attempted termination of pregnancy |
| O08.2 | Embolism following ectopic and molar pregnancy |
| O08.3 | Shock following ectopic and molar pregnancy |
| O08.4 | Renal failure following ectopic and molar pregnancy |
O10-O16
| O10.42 | Pre-existing secondary hypertension complicating childbirth |
| O11.1 | Pre-existing hypertension with pre-eclampsia, first trimester |
| O11.2 | Pre-existing hypertension with pre-eclampsia, second trimester |
| O11.3 | Pre-existing hypertension with pre-eclampsia, third trimester |
| O14.12 | Severe pre-eclampsia, second trimester |
| O14.13 | Severe pre-eclampsia, third trimester |
| O14.22 | HELLP syndrome (HELLP), second trimester |
| O14.23 | HELLP syndrome (HELLP), third trimester |
| O15.02 | Eclampsia complicating pregnancy, second trimester |
| O15.03 | Eclampsia complicating pregnancy, third trimester |
| O15.1 | Eclampsia complicating labor |
| O15.2 | Eclampsia complicating the puerperium |
O20-O29
| O22.31 | Deep phlebothrombosis in pregnancy, first trimester |
| O22.32 | Deep phlebothrombosis in pregnancy, second trimester |
| O22.33 | Deep phlebothrombosis in pregnancy, third trimester |
| O24.02 | Pre-existing type 1 diabetes mellitus, in childbirth |
| O24.12 | Pre-existing type 2 diabetes mellitus, in childbirth |
| O24.32 | Unspecified pre-existing diabetes mellitus in childbirth |
| O24.82 | Other pre-existing diabetes mellitus in childbirth |
O30-O48
| O34.31 | Maternal care for cervical incompetence, first trimester |
| O34.32 | Maternal care for cervical incompetence, second trimester |
| O34.33 | Maternal care for cervical incompetence, third trimester |
| O41.1010 | Infection of amniotic sac and membranes, unspecified, first trimester, not applicable or unspecified |
| O41.1011 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 1 |
| O41.1012 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 2 |
| O41.1013 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 3 |
| O41.1014 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 4 |
| O41.1015 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 5 |
| O41.1019 | Infection of amniotic sac and membranes, unspecified, first trimester, other fetus |
| O41.1020 | Infection of amniotic sac and membranes, unspecified, second trimester, not applicable or unspecified |
| O41.1021 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 1 |
| O41.1022 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 2 |
| O41.1023 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 3 |
| O41.1024 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 4 |
| O41.1025 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 5 |
| O41.1029 | Infection of amniotic sac and membranes, unspecified, second trimester, other fetus |
| O41.1030 | Infection of amniotic sac and membranes, unspecified, third trimester, not applicable or unspecified |
| O41.1031 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 1 |
| O41.1032 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 2 |
| O41.1033 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 3 |
| O41.1034 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 4 |
| O41.1035 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 5 |
| O41.1039 | Infection of amniotic sac and membranes, unspecified, third trimester, other fetus |
| O41.1210 | Chorioamnionitis, first trimester, not applicable or unspecified |
| O41.1211 | Chorioamnionitis, first trimester, fetus 1 |
| O41.1212 | Chorioamnionitis, first trimester, fetus 2 |
| O41.1213 | Chorioamnionitis, first trimester, fetus 3 |
| O41.1214 | Chorioamnionitis, first trimester, fetus 4 |
| O41.1215 | Chorioamnionitis, first trimester, fetus 5 |
| O41.1219 | Chorioamnionitis, first trimester, other fetus |
| O41.1220 | Chorioamnionitis, second trimester, not applicable or unspecified |
| O41.1221 | Chorioamnionitis, second trimester, fetus 1 |
| O41.1222 | Chorioamnionitis, second trimester, fetus 2 |
| O41.1223 | Chorioamnionitis, second trimester, fetus 3 |
| O41.1224 | Chorioamnionitis, second trimester, fetus 4 |
| O41.1225 | Chorioamnionitis, second trimester, fetus 5 |
| O41.1229 | Chorioamnionitis, second trimester, other fetus |
| O41.1230 | Chorioamnionitis, third trimester, not applicable or unspecified |
| O41.1231 | Chorioamnionitis, third trimester, fetus 1 |
| O41.1232 | Chorioamnionitis, third trimester, fetus 2 |
| O41.1233 | Chorioamnionitis, third trimester, fetus 3 |
| O41.1234 | Chorioamnionitis, third trimester, fetus 4 |
| O41.1235 | Chorioamnionitis, third trimester, fetus 5 |
| O41.1239 | Chorioamnionitis, third trimester, other fetus |
| O41.1410 | Placentitis, first trimester, not applicable or unspecified |
| O41.1411 | Placentitis, first trimester, fetus 1 |
| O41.1412 | Placentitis, first trimester, fetus 2 |
| O41.1413 | Placentitis, first trimester, fetus 3 |
| O41.1414 | Placentitis, first trimester, fetus 4 |
| O41.1415 | Placentitis, first trimester, fetus 5 |
| O41.1419 | Placentitis, first trimester, other fetus |
| O41.1420 | Placentitis, second trimester, not applicable or unspecified |
| O41.1421 | Placentitis, second trimester, fetus 1 |
| O41.1422 | Placentitis, second trimester, fetus 2 |
| O41.1423 | Placentitis, second trimester, fetus 3 |
| O41.1424 | Placentitis, second trimester, fetus 4 |
| O41.1425 | Placentitis, second trimester, fetus 5 |
| O41.1429 | Placentitis, second trimester, other fetus |
| O41.1430 | Placentitis, third trimester, not applicable or unspecified |
| O41.1431 | Placentitis, third trimester, fetus 1 |
| O41.1432 | Placentitis, third trimester, fetus 2 |
| O41.1433 | Placentitis, third trimester, fetus 3 |
| O41.1434 | Placentitis, third trimester, fetus 4 |
| O41.1435 | Placentitis, third trimester, fetus 5 |
| O41.1439 | Placentitis, third trimester, other fetus |
| O44.11 | Complete placenta previa with hemorrhage, first trimester |
| O44.12 | Complete placenta previa with hemorrhage, second trimester |
| O44.13 | Complete placenta previa with hemorrhage, third trimester |
| O44.31 | Partial placenta previa with hemorrhage, first trimester |
| O44.32 | Partial placenta previa with hemorrhage, second trimester |
| O44.33 | Partial placenta previa with hemorrhage, third trimester |
| O44.51 | Low lying placenta with hemorrhage, first trimester |
| O44.52 | Low lying placenta with hemorrhage, second trimester |
| O44.53 | Low lying placenta with hemorrhage, third trimester |
| O45.001 | Premature separation of placenta with coagulation defect, unspecified, first trimester |
| O45.002 | Premature separation of placenta with coagulation defect, unspecified, second trimester |
| O45.003 | Premature separation of placenta with coagulation defect, unspecified, third trimester |
| O45.011 | Premature separation of placenta with afibrinogenemia, first trimester |
| O45.012 | Premature separation of placenta with afibrinogenemia, second trimester |
| O45.013 | Premature separation of placenta with afibrinogenemia, third trimester |
| O45.021 | Premature separation of placenta with disseminated intravascular coagulation, first trimester |
| O45.022 | Premature separation of placenta with disseminated intravascular coagulation, second trimester |
| O45.023 | Premature separation of placenta with disseminated intravascular coagulation, third trimester |
| O45.091 | Premature separation of placenta with other coagulation defect, first trimester |
| O45.092 | Premature separation of placenta with other coagulation defect, second trimester |
| O45.093 | Premature separation of placenta with other coagulation defect, third trimester |
| O45.8X1 | Other premature separation of placenta, first trimester |
| O45.8X2 | Other premature separation of placenta, second trimester |
| O45.8X3 | Other premature separation of placenta, third trimester |
| O45.91 | Premature separation of placenta, unspecified, first trimester |
| O45.92 | Premature separation of placenta, unspecified, second trimester |
| O45.93 | Premature separation of placenta, unspecified, third trimester |
| O46.001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester |
| O46.002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester |
| O46.003 | Antepartum hemorrhage with coagulation defect, unspecified, third trimester |
| O46.011 | Antepartum hemorrhage with afibrinogenemia, first trimester |
| O46.012 | Antepartum hemorrhage with afibrinogenemia, second trimester |
| O46.013 | Antepartum hemorrhage with afibrinogenemia, third trimester |
| O46.021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester |
| O46.022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester |
| O46.023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester |
| O46.091 | Antepartum hemorrhage with other coagulation defect, first trimester |
| O46.092 | Antepartum hemorrhage with other coagulation defect, second trimester |
| O46.093 | Antepartum hemorrhage with other coagulation defect, third trimester |
O60-O77
| O60.02 | Preterm labor without delivery, second trimester |
| O60.03 | Preterm labor without delivery, third trimester |
| O60.12X0 | Preterm labor second trimester with preterm delivery second trimester, not applicable or unspecified |
| O60.12X1 | Preterm labor second trimester with preterm delivery second trimester, fetus 1 |
| O60.12X2 | Preterm labor second trimester with preterm delivery second trimester, fetus 2 |
| O60.12X3 | Preterm labor second trimester with preterm delivery second trimester, fetus 3 |
| O60.12X4 | Preterm labor second trimester with preterm delivery second trimester, fetus 4 |
| O60.12X5 | Preterm labor second trimester with preterm delivery second trimester, fetus 5 |
| O60.12X9 | Preterm labor second trimester with preterm delivery second trimester, other fetus |
| O60.13X0 | Preterm labor second trimester with preterm delivery third trimester, not applicable or unspecified |
| O60.13X1 | Preterm labor second trimester with preterm delivery third trimester, fetus 1 |
| O60.13X2 | Preterm labor second trimester with preterm delivery third trimester, fetus 2 |
| O60.13X3 | Preterm labor second trimester with preterm delivery third trimester, fetus 3 |
| O60.13X4 | Preterm labor second trimester with preterm delivery third trimester, fetus 4 |
| O60.13X5 | Preterm labor second trimester with preterm delivery third trimester, fetus 5 |
| O60.13X9 | Preterm labor second trimester with preterm delivery third trimester, other fetus |
| O60.14X0 | Preterm labor third trimester with preterm delivery third trimester, not applicable or unspecified |
| O60.14X1 | Preterm labor third trimester with preterm delivery third trimester, fetus 1 |
| O60.14X2 | Preterm labor third trimester with preterm delivery third trimester, fetus 2 |
| O60.14X3 | Preterm labor third trimester with preterm delivery third trimester, fetus 3 |
| O60.14X4 | Preterm labor third trimester with preterm delivery third trimester, fetus 4 |
| O60.14X5 | Preterm labor third trimester with preterm delivery third trimester, fetus 5 |
| O60.14X9 | Preterm labor third trimester with preterm delivery third trimester, other fetus |
| O60.22X0 | Term delivery with preterm labor, second trimester, not applicable or unspecified |
| O60.22X1 | Term delivery with preterm labor, second trimester, fetus 1 |
| O60.22X2 | Term delivery with preterm labor, second trimester, fetus 2 |
| O60.22X3 | Term delivery with preterm labor, second trimester, fetus 3 |
| O60.22X4 | Term delivery with preterm labor, second trimester, fetus 4 |
| O60.22X5 | Term delivery with preterm labor, second trimester, fetus 5 |
| O60.22X9 | Term delivery with preterm labor, second trimester, other fetus |
| O60.23X0 | Term delivery with preterm labor, third trimester, not applicable or unspecified |
| O60.23X1 | Term delivery with preterm labor, third trimester, fetus 1 |
| O60.23X2 | Term delivery with preterm labor, third trimester, fetus 2 |
| O60.23X3 | Term delivery with preterm labor, third trimester, fetus 3 |
| O60.23X4 | Term delivery with preterm labor, third trimester, fetus 4 |
| O60.23X5 | Term delivery with preterm labor, third trimester, fetus 5 |
| O60.23X9 | Term delivery with preterm labor, third trimester, other fetus |
| O67.0 | Intrapartum hemorrhage with coagulation defect |
| O71.02 | Rupture of uterus before onset of labor, second trimester |
| O71.03 | Rupture of uterus before onset of labor, third trimester |
| O71.1 | Rupture of uterus during labor |
| O75.1 | Shock during or following labor and delivery |
| O75.3 | Other infection during labor |
O85-O92
| O85 | Puerperal sepsis |
| O86.04 | Sepsis following an obstetrical procedure |
| O86.81 | Puerperal septic thrombophlebitis |
| O86.89 | Other specified puerperal infections |
| O87.1 | Deep phlebothrombosis in the puerperium |
| O88.011 | Air embolism in pregnancy, first trimester |
| O88.012 | Air embolism in pregnancy, second trimester |
| O88.013 | Air embolism in pregnancy, third trimester |
| O88.02 | Air embolism in childbirth |
| O88.03 | Air embolism in the puerperium |
| O88.111 | Amniotic fluid embolism in pregnancy, first trimester |
| O88.112 | Amniotic fluid embolism in pregnancy, second trimester |
| O88.113 | Amniotic fluid embolism in pregnancy, third trimester |
| O88.12 | Amniotic fluid embolism in childbirth |
| O88.13 | Amniotic fluid embolism in the puerperium |
| O88.211 | Thromboembolism in pregnancy, first trimester |
| O88.212 | Thromboembolism in pregnancy, second trimester |
| O88.213 | Thromboembolism in pregnancy, third trimester |
| O88.22 | Thromboembolism in childbirth |
| O88.23 | Thromboembolism in the puerperium |
| O88.311 | Pyemic and septic embolism in pregnancy, first trimester |
| O88.312 | Pyemic and septic embolism in pregnancy, second trimester |
| O88.313 | Pyemic and septic embolism in pregnancy, third trimester |
| O88.32 | Pyemic and septic embolism in childbirth |
| O88.33 | Pyemic and septic embolism in the puerperium |
| O88.811 | Other embolism in pregnancy, first trimester |
| O88.812 | Other embolism in pregnancy, second trimester |
| O88.813 | Other embolism in pregnancy, third trimester |
| O88.82 | Other embolism in childbirth |
| O88.83 | Other embolism in the puerperium |
| O90.3 | Peripartum cardiomyopathy |
| O90.41 | Hepatorenal syndrome following labor and delivery |
| O90.49 | Other postpartum acute kidney failure |
O94-O9A
| O99.42 | Diseases of the circulatory system complicating childbirth |