- Excess blood loss from uterine bleeding associated with obstetric labor or childbirth. It is defined as blood loss greater than 500 ml or of the amount that adversely affects the maternal physiology, such as blood pressure and hematocrit. Postpartum hemorrhage is divided into two categories, immediate (within first 24 hours after birth) or delayed (after 24 hours postpartum).
- Hemorrhage defined as a blood loss in excess of 500 ml after vaginal delivery or more than 1000 ml after a cesarean delivery.
666 Postpartum hemorrhage 
666.0 Third-stage postpartum hemorrhage 
666.00 Third-stage postpartum hemorrhage, unspecified as to episode of care or not applicable convert 666.00 to ICD-10-CM- 666.02 Third-stage postpartum hemorrhage, delivered, with mention of postpartum complication convert 666.02 to ICD-10-CM
666.04 Third-stage postpartum hemorrhage, postpartum condition or complication convert 666.04 to ICD-10-CM- 666.1 Other immediate postpartum hemorrhage
- 666.10 Other immediate postpartum hemorrhage, unspecified as to episode of care or not applicable convert 666.10 to ICD-10-CM
- 666.12 Other immediate postpartum hemorrhage, delivered, with mention of postpartum complication convert 666.12 to ICD-10-CM
- 666.14 Other immediate postpartum hemorrhage, postpartum condition or complication convert 666.14 to ICD-10-CM
- 666.2 Delayed and secondary postpartum hemorrhage
- 666.20 Delayed and secondary postpartum hemorrhage, unspecified as to episode of care or not applicable convert 666.20 to ICD-10-CM
- 666.22 Delayed and secondary postpartum hemorrhage, delivered, with mention of postpartum complication convert 666.22 to ICD-10-CM
- 666.24 Delayed and secondary postpartum hemorrhage, postpartum condition or complication convert 666.24 to ICD-10-CM
- 666.3 Postpartum coagulation defects
666.30 Postpartum coagulation defects, unspecified as to episode of care or not applicable convert 666.30 to ICD-10-CM- 666.32 Postpartum coagulation defects, delivered, with mention of postpartum complication convert 666.32 to ICD-10-CM
- 666.34 Postpartum coagulation defects, postpartum condition or complication convert 666.34 to ICD-10-CM
