O00.51 – Cornual ectopic pregnancy without intrauterine pregnancy

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

Non-billable header New in 2027

ICD-10-CM code O00.51
Code
O00.51 (claims format: O0051)
Description
Cornual ectopic 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 › O00.5

Billable codes under O00.51

O00.51 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.

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 O00.51

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

Related codes in O00.5

Frequently asked questions

What is ICD-10 code O00.51?

O00.51 is the ICD-10-CM code for cornual ectopic pregnancy without intrauterine pregnancy, in the block O00-O08 (Pregnancy with abortive outcome).

Is O00.51 a billable code?

No. O00.51 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O00.51 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.