O00UpcomingCategory · further specificity required

Ectopic pregnancy

Code-level instructions

Use additional code

code from category O08 to identify any associated complication

Chapters 15 · Inherited instructions

Use additional code

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

Excludes 1

supervision of normal pregnancy (Z34.-)

O00-O08 · Inherited instructions

Excludes 1

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

Excludes 2 · 4

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 2

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

More specific codes

O00.0Abdominal pregnancy O00.1Tubal pregnancy O00.2Ovarian pregnancy O00.3Cesarean scar ectopic pregnancy O00.4Cervical ectopic pregnancy O00.5Cornual ectopic pregnancy O00.8Other ectopic pregnancy O00.9Ectopic pregnancy, unspecified

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2024

ChangedUnchanged

FY2024

Effective from 2023-10-01

Inherited rules changed

Ectopic pregnancy

Category — select a more specific code

CDC/NCHS · FY2024

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	Inherited rules changed
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	Inherited rules changed
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	Inherited rules changed
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Includes

ruptured ectopic pregnancy

Use additional code

code from category O08 to identify any associated complication

Inherited instructions

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

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.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
1st trimester- less than 14 weeks 0 days
2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
3rd trimester- 28 weeks 0 days until delivery

O00-O08 · Pregnancy with abortive outcome (O00-O08)

Excludes 1

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

More specific codes

Related codes

Official titles and instructions are preserved in their source language. Official sources ↗

References from other codes (40)

D65 · Disseminated intravascular coagulation [defibrination syndrome]

Excludes 2 · abortion or ectopic or molar pregnancy (O00-O07, O08.1)

D68 · Other coagulation defects

Excludes 2 · coagulation defects complicating abortion or ectopic or molar pregnancy (O00-O07, O08.1)

G08 · Intracranial and intraspinal phlebitis and thrombophlebitis

Excludes 1 · abortion, ectopic or molar pregnancy (O00-O07, O08.7)

I26 · Pulmonary embolism

Excludes 2 · pulmonary embolism complicating abortion, ectopic or molar pregnancy (O00-O07, O08.2)

I47 · Paroxysmal tachycardia

Code first · abortion or ectopic or molar pregnancy (O00-O07, O08.8)

I49 · Other cardiac arrhythmias

Code first · abortion or ectopic or molar pregnancy (O00-O07, O08.8)

I50 · Heart failure

Code first · heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)

I74 · Arterial embolism and thrombosis

Code first · embolism and thrombosis complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)

I80 · Phlebitis and thrombophlebitis

Code first · , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7)

I82 · Other venous embolism and thrombosis

Code first · abortion, ectopic or molar pregnancy (O00-O07, O08.7)

K65 · Peritonitis

Excludes 1 · peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)

K72 · Hepatic failure, not elsewhere classified

Excludes 2 · hepatic failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)

O08 · Complications following ectopic and molar pregnancy

Inclusion terms · This category is for use with categories O00-O02 to identify any associated complications

O20 · Hemorrhage in early pregnancy

Excludes 1 · pregnancy with abortive outcome (O00-O08)

O94 · Sequelae of complication of pregnancy, childbirth, and the puerperium

Note · This category is to be used to indicate conditions in O00-O77.-, O85-O94 and O98-O9A.- as the cause of late effects. The sequelae include conditions specified as such, or as late effects, which may occur at any time after the puerperium

R34 · Anuria and oliguria

Excludes 1 · anuria and oliguria complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)

R55 · Syncope and collapse

Excludes 1 · shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)

R57 · Shock, not elsewhere classified

Excludes 1 · shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)

T79.0 · Air embolism (traumatic)

Excludes 1 · air embolism complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)

T79.1 · Fat embolism (traumatic)

Excludes 1 · abortion or ectopic or molar pregnancy (O00-O07, O08.2)

T79.4 · Traumatic shock

Excludes 1 · shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)

T81.1 · Postprocedural shock

Excludes 1 · shock following abortion or ectopic or molar pregnancy (O00-O07, O08.3)

T81.7 · Vascular complications following a procedure, not elsewhere classified

Excludes 1 · embolism complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)

Z33.1 · Pregnant state, incidental

Excludes 1 · complications of pregnancy (O00-O9A)

Z34 · Encounter for supervision of normal pregnancy

Excludes 1 · any complication of pregnancy (O00-O9A)

Z87.5 · Personal history of complications of pregnancy, childbirth and the puerperium

Inclusion terms · Conditions classifiable to O00-O9A

chapters/10 · Diseases of the respiratory system (J00-J99)