O03.3 – Other and unspecified complications following incomplete spontaneous abortion

ICD-10-CM 2027 diagnosis code · Pregnancy with abortive outcome

Non-billable header

ICD-10-CM code O03.3
Code
O03.3 (claims format: O033)
Description
Other and unspecified complications following incomplete spontaneous abortion
Short description
Oth and unsp comp following incomplete spontaneous abortion
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block
O00-O08 Pregnancy with abortive outcome
Parent codes
O03

Billable codes under O03.3

O03.3 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O03 – Spontaneous abortion

Includes:
  • miscarriage
Notes:
  • Incomplete abortion includes retained products of conception following spontaneous abortion

Block O00-O08

Excludes1 (not coded here):
  • continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)

Related codes in O03

Frequently asked questions

What is ICD-10 code O03.3?

O03.3 is the ICD-10-CM code for other and unspecified complications following incomplete spontaneous abortion, in the block O00-O08 (Pregnancy with abortive outcome).

Is O03.3 a billable code?

No. O03.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O03.3 belong to?

It belongs to category O03 – Spontaneous abortion.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.