O08.3 Shock following ectopic and molar pregnancy

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Circulatory collapse following ectopic and molar pregnancy
• Shock (postprocedural) following ectopic and molar pregnancy

Excludes1 (never code together)

• shock due to infection following ectopic and molar pregnancy (O08.82)

Applies from O08 Complications following ectopic and molar pregnancy

Applicable to

• This category is for use with categories O00-O02 to identify any associated complications

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 639.5 Shock following abortion or ectopic and molar pregnancies

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O08.3

Back-references to O08.3

• Type 1 Excludes: R55 Syncope and collapse ("shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)")
• Type 1 Excludes: R57 Shock, not elsewhere classified ("shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)")
• Type 1 Excludes: T79.4 Traumatic shock ("shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)")
• Type 1 Excludes: T81.1 Postprocedural shock ("shock following abortion or ectopic or molar pregnancy (O00-O07, O08.3)")

Back-references to O08

• Use Additional: O00 Ectopic pregnancy ("code from category O08 to identify any associated complication")
• Use Additional: O01 Hydatidiform mole ("code from category O08 to identify any associated complication.")
• Use Additional: O02 Other abnormal products of conception ("code from category O08 to identify any associated complication.")
• Type 1 Excludes: O20 Hemorrhage in early pregnancy ("pregnancy with abortive outcome (O00-O08)")

Diagnosis Index entries for O08.3

• Collapse › circulatory (peripheral) › following ectopic or molar pregnancy
• Collapse › vascular (peripheral) › following ectopic or molar pregnancy
• Complication (s) (from) (of) › ectopic pregnancy › shock
• Complication (s) (from) (of) › molar pregnancy NOS › shock
• Pregnancy (single) (uterine) › ectopic (ruptured) › complicated (by) › circulatory collapse
• Pregnancy (single) (uterine) › molar NEC › complicated (by) › circulatory collapse
• Pregnancy (single) (uterine) › molar NEC › complicated (by) › shock
• Shock › with ectopic or molar pregnancy
• Shock › complicating ectopic or molar pregnancy
• Shock › following › ectopic or molar pregnancy
• Shock › obstetric › with ectopic or molar pregnancy
• Shock › obstetric › following ectopic or molar pregnancy
• Shock › postprocedural (postoperative) › with ectopic or molar pregnancy
• Shock › postprocedural (postoperative) › following ectopic or molar pregnancy

Nearby codes

• O08 Complications following ectopic and molar pregnancy
• O08.0 Genital tract and pelvic infection following ectopic and molar pregnancy
• O08.1 Delayed or excessive hemorrhage following ectopic and molar pregnancy
• O08.2 Embolism following ectopic and molar pregnancy
• O08.3 Shock following ectopic and molar pregnancy (this code)
• O08.4 Renal failure following ectopic and molar pregnancy
• O08.5 Metabolic disorders following an ectopic and molar pregnancy
• O08.6 Damage to pelvic organs and tissues following an ectopic and molar pregnancy
• O08.7 Other venous complications following an ectopic and molar pregnancy
• O08.8 Other complications following an ectopic and molar pregnancy