O00.1 – Tubal pregnancy

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

Non-billable header

ICD-10-CM code O00.1

Code: O00.1 (claims format: O001)
Description: Tubal 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

Billable codes under O00.1

O00.1 is a header code and cannot be used on claims. Choose the most specific code:

O00.10 – Tubal pregnancy without intrauterine pregnancyHeader (more codes below)
O00.11 – Tubal pregnancy with intrauterine pregnancyHeader (more codes below)
O00.12 – Interstitial ectopic pregnancy without intrauterine pregnancyHeader (more codes below) · New in 2027
O00.13 – Interstitial ectopic pregnancy with intrauterine pregnancyHeader (more codes below) · New in 2027

Notes for O00.1

Applicable to:

Fallopian pregnancy
Rupture of (fallopian) tube due to pregnancy
Tubal abortion

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-)

Related codes in O00

O00.0 – Abdominal pregnancyHeader
O00.2 – Ovarian pregnancyHeader
O00.3 – Cesarean scar ectopic pregnancyHeader
O00.4 – Cervical ectopic pregnancyHeader
O00.5 – Cornual ectopic pregnancyHeader
O00.8 – Other ectopic pregnancyHeader
O00.9 – Ectopic pregnancy, unspecifiedHeader

Frequently asked questions

What is ICD-10 code O00.1?

O00.1 is the ICD-10-CM code for tubal pregnancy, in the block O00-O08 (Pregnancy with abortive outcome).

Is O00.1 a billable code?

No. O00.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O00.1 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.