Is O45.021 a billable ICD-10-CM code?

Yes. O45.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does O45.021 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).

O45.021

O45.021 — Premature separation of placenta with disseminated intravascular coagulation, first trimester

Billable / specific codeICD-10-CM

O45.021 is a billable, specific ICD-10-CM code for premature separation of placenta with disseminated intravascular coagulation, first trimester. It is valid for submission on a claim.

Risk adjustment

O45.021 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

O45.021 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

Related codes at this level

Codes that share O45.02. If O45.021 is not quite right, the correct code is usually one of these.

Questions about O45.021

Is O45.021 a billable ICD-10-CM code?: Yes. O45.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O45.021 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).