Table 2.
Full listing of all emergency department ICD-9-CM codes, with deliveries, selected for the study
| ICD-9-CM Code | Description | Clinically Correct? | Visits |
|---|---|---|---|
| 648.21 | Anemia of mother, delivered, with or without mention of antepartum condition |
No | 7 |
| 658.11 | Premature rupture of membranes, delivered, with or without mention of antepartum condition |
No | 6 |
| 659.61 | Elderly multigravida, delivered with or without mention of antepartum condition |
No | 5 |
| 658.21 | Delayed delivery after spontaneous or unspecified rupture of membranes, delivered, with or without mention of antepartum condition |
No | 4 |
| 649.31 | Coagulation defects complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition |
No | 4 |
| 647.61 | Other viral diseases in the mother, delivered, with or without mention of antepartum condition |
No | 3 |
| 648.41 | Mental disorders of mother, delivered, with or without mention of antepartum condition |
No | 3 |
| 656.51 | Poor fetal growth, affecting management of mother, delivered, with or without mention of antepartum condition |
No | 3 |
| 658.01 | Oligohydramnios, delivered, with or without mention of antepartum condition |
No | 3 |
| 659.41 | Grand multiparity, delivered, with or without mention of antepartum condition |
No | 2 |
| 648.81 | Abnormal glucose tolerance of mother, delivered, with or without mention of antepartum |
No | 2 |
| 656.81 | Other specified fetal and placental problems, affecting management of mother, delivered, with or without mention of antepartum condition |
No | 2 |
| 658.41 | Infection of amniotic cavity, delivered, with or without mention of antepartum condition |
No | 2 |
| 649.11 | Obesity complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition |
No | 1 |
| 655.71 | Decreased fetal movements, affecting management of mother, delivered, with or without mention of antepartum condition |
No | 1 |
| 654.92 | Other and unspecified abnormality of organs and soft tissues of pelvis, delivered, with mention of postpartum complication |
No | 1 |
| 647.81 | Other specified infectious and parasitic diseases of mother, delivered, with or without mention of antepartum condition |
No | 1 |
| 652.81 | Other specified malposition or malpresentation, delivered, with or without mention of antepartum condition |
No | 1 |
| 642.51 | Severe pre-eclampsia, delivered, with or without mention of antepartum condition |
Yes | 2 |
| 642.91 | Unspecified hypertension, complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition |
Yes | 2 |
| 645.21 | Prolonged pregnancy, delivered, with or without mention of antepartum condition |
Yes | 1 |
| 659.81 | Other specified indications for care or intervention related to labor and delivery, delivered, with or without mention of antepartum condition |
Yes | 1 |
| 660.01 | Obstruction caused by malposition of fetus at onset of labor, delivered, with or without mention of antepartum condition |
Yes | 1 |
| 669.21 | Maternal hypotension syndrome, delivered, with or without mention of antepartum condition |
Yes | 1 |