Is ICD-10-CM code O00 billable?

No, O00 (Ectopic pregnancy) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code O00 belong to?

O00 belongs to Chapter 15 of the ICD-10-CM tabular list: O00–O9A (Pregnancy, Childbirth and the Puerperium).

O00Non-billable

Ectopic pregnancy

Pregnancy, Childbirth and the Puerperium·Pregnancy with abortive outcome (O00-O08)·category·FY 2026

Use a more specific code (0 billable, 5 non-billable)

O00.0Abdominal pregnancyhas subcodes O00.1Tubal pregnancyhas subcodes O00.2Ovarian pregnancyhas subcodes O00.8Other ectopic pregnancyhas subcodes O00.9Ectopic pregnancy, unspecifiedhas subcodes

CH15 Parent Instructions

Excludes1(Not coded here. Use a different code.)

supervision of normal pregnancy (Z34.-)

Excludes2(Not included here. Code separately if applicable.)

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use Additional Code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O00-O08 Parent Instructions

Excludes1(Not coded here. Use a different code.)

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

Instructional Notes

Includes

ruptured ectopic pregnancy

Use Additional Code

code from category O08 to identify any associated complication

Clinical Hierarchy

BillableHas subcodes

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O00-O08Pregnancy with abortive outcome (O00-O08)

O00Ectopic pregnancyNot billable

O00.0Abdominal pregnancySubcodes

O00.1Tubal pregnancySubcodes

O00.2Ovarian pregnancySubcodes

O00.8Other ectopic pregnancySubcodes

O00.9Ectopic pregnancy, unspecifiedSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.