| O89 | Complications of anesthesia during the puerperium | NON-BILLABLE CODE |
| O89.0 | Pulmonary complications of anesthesia during the puerperium | NON-BILLABLE CODE |
| O89.01 | Aspiration pneumonitis due to anesthesia during the puerperium | BILLABLE CODE |
| O89.09 | Other pulmonary complications of anesthesia during the puerperium | BILLABLE CODE |
| O89.1 | Cardiac complications of anesthesia during the puerperium | BILLABLE CODE |
| O89.2 | Central nervous system complications of anesthesia during the puerperium | BILLABLE CODE |
| O89.4 | Spinal and epidural anesthesia-induced headache during the puerperium | BILLABLE CODE |
| O89.5 | Other complications of spinal and epidural anesthesia during the puerperium | BILLABLE CODE |
| O89.6 | Failed or difficult intubation for anesthesia during the puerperium | BILLABLE CODE |
| O89.8 | Other complications of anesthesia during the puerperium | BILLABLE CODE |
| O89.9 | Complication of anesthesia during the puerperium, unspecified | BILLABLE CODE |
