Is O03.31 a billable ICD-10-CM code?

Yes. O03.31 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does O03.31 sit in the tabular list?

Pregnancy, childbirth and the puerperium (O00-O9A), in the block Pregnancy with abortive outcome (O00-O08).

What cannot be coded together with O03.31?

O03.31 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

O03.31

O03.31 — Shock following incomplete spontaneous abortion

Billable / specific codeICD-10-CM

O03.31 is a billable, specific ICD-10-CM code for shock following incomplete spontaneous abortion. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

shock due to infection following incomplete spontaneous abortion (O03.37)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Circulatory collapse following incomplete spontaneous abortion
Shock (postprocedural) following incomplete spontaneous abortion

Risk adjustment

O03.31 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

O03.31 is named in 2 Medicare coverage policies — 2 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
A57326Billing and Coding: Electrocardiograms

How O03.31 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to O03.31.

Abortion›incomplete›complicated›circulatory collapse
Abortion›incomplete›complicated›shock

Related codes at this level

Codes that share O03.3. If O03.31 is not quite right, the correct code is usually one of these.

Questions about O03.31

Is O03.31 a billable ICD-10-CM code?: Yes. O03.31 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O03.31 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Pregnancy with abortive outcome (O00-O08).
What cannot be coded together with O03.31?: O03.31 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.