O46.8X1 — Other antepartum hemorrhage, first trimester
O46.8X1 is a billable, specific ICD-10-CM code for other antepartum hemorrhage, first trimester. It is valid for submission on a claim.
Excludes1 inherited from the categories above O46.8X1
These are not written on O46.8X1, but they bind it: a note on a category applies to every code beneath it. Billing O46.8X1 with anything listed here is a denial.
Other codes that can never be billed with O46.8X1
These codes carry an Excludes1 note pointing at O46.8X1. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading O46.8X1 alone.
- O67Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified
Risk adjustment
O46.8X1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
O46.8X1 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57189Billing and Coding: Serum Magnesium
Code history
O46.8X1 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share O46.8X. If O46.8X1 is not quite right, the correct code is usually one of these.
Questions about O46.8X1
- Is O46.8X1 a billable ICD-10-CM code?
- Yes. O46.8X1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O46.8X1 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48).
- What cannot be coded together with O46.8X1?
- O46.8X1 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above O46.8X1 (O46) and apply to it just the same.