FY2027
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Excludes1 pair

O67.0 vs O99.1-

O67.0 and O99.1 are not coded together. ICD-10-CM declares them mutually exclusive with an Excludes1 note — the two conditions are not expected to occur together, so exactly one of them is normally correct for a given encounter. The Official Guidelines carve out one exception: if the two conditions are clearly unrelated to each other, both may be reported.

The official note, declared on O99.1
hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
O67.0

Intrapartum hemorrhage with coagulation defect

Billable
Chapter 15
Pregnancy, childbirth and the puerperium
Section
O60-O77
Use when the record says
  • Intrapartum hemorrhage (excessive) associated with afibrinogenemia
  • Intrapartum hemorrhage (excessive) associated with disseminated intravascular coagulation
  • Intrapartum hemorrhage (excessive) associated with hyperfibrinolysis
  • Intrapartum hemorrhage (excessive) associated with hypofibrinogenemia
Indexed under
  • Defibrination › intrapartum
  • Fibrinolysis › intrapartum
  • Defect, defective › coagulation › intrapartum
  • Dyscrasia › blood › intrapartum hemorrhage
  • Delivery › cesarean › hemorrhage › with coagulation defect
O99.1

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

Not billable
Chapter 15
Pregnancy, childbirth and the puerperium
Section
O94-O9A
Use when the record says
  • Conditions in D65-D89

Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027