O00
⚠ Non-billable
Ectopic pregnancy
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O00
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O00?
ICD-10-CM code O00 represents Ectopic pregnancy. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O00 billable?
No. O00 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O00 in?
O00 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O00 category
O00.0
Abdominal pregnancy
Non-billable
O00.1
Tubal pregnancy
Non-billable
O00.2
Ovarian pregnancy
Non-billable
O00.8
Other ectopic pregnancy
Non-billable
O00.9
Ectopic pregnancy, unspecified
Non-billable
O00.00
Abdominal pregnancy without intrauterine pregnancy
Billable
O00.01
Abdominal pregnancy with intrauterine pregnancy
Billable
O00.10
Tubal pregnancy without intrauterine pregnancy
Non-billable
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