O00.20 – Ovarian pregnancy without intrauterine pregnancy

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

Non-billable header

ICD-10-CM code O00.20

Code: O00.20 (claims format: O0020)
Description: Ovarian pregnancy without intrauterine pregnancy
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: O00 › O00.2

Billable codes under O00.20

O00.20 is a header code and cannot be used on claims. Choose the most specific code:

Notes for O00.20

Applicable to:

Ovarian pregnancy NOS

Notes inherited from parent codes

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

O00 – Ectopic pregnancy

Includes:

ruptured ectopic pregnancy

Use additional code:

code from category O08 to identify any associated complication

Block O00-O08

Excludes1 (not coded here):

continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)

Index terms for O00.20

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in O00.2

O00.21 – Ovarian pregnancy with intrauterine pregnancyHeader

Frequently asked questions

What is ICD-10 code O00.20?

O00.20 is the ICD-10-CM code for ovarian pregnancy without intrauterine pregnancy, in the block O00-O08 (Pregnancy with abortive outcome).

Is O00.20 a billable code?

No. O00.20 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O00.20 belong to?

It belongs to category O00 – Ectopic pregnancy.

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.