Table 1

Definitions and codes used for AFE

Country

ICD-9 coding

ICD-10 Coding

Other definition used


Australia (NSW)

N/A

O88.1

1) if not fatal, the hospital record had to include a diagnosis of one or more of cardiac arrest, hypotension syndrome, respiratory distress, coagulation defects, coma and/or seizure, and an absence of other medical conditions or potential explanations of the symptoms and signs [1] and 2) where death was the outcome, AFE had to be listed as the cause of death.


Australia (Victoria)

N/A

O88.1


Australia (national data)

673.1

O88.1

Review of maternal death by expert committee in conjunction with a cause of death of amniotic fluid embolism


Canada

673.1

O88.1


Netherlands

N/A

N/A

- Reported as maternal mortality or severe maternal morbidity with AFE as diagnosis or in differential diagnosis

- One or more of the following severe enough to require medical treatment:

Hypotension (and/or cardiac arrest)

Respiratory distress

Disseminated intravascular coagulation

Coma and/or seizures

- Absence of any other clear medical explanation for the clinical course.


United Kingdom

N/A

N/A

In the absence of any other clear cause

EITHER

Acute maternal collapse with one or more of the following features:

Acute fetal compromise

Cardiac arrest

Cardiac rhythm problems

Coagulopathy

Hypotension

Maternal hemorrhage

Premonitory symptoms e.g. restlessness, numbness, agitation, tingling

Seizure

Shortness of breath

Excluding: women with maternal hemorrhage as the first presenting feature, in whom there was no evidence of early coagulopathy or cardio-respiratory compromise

OR

Women in whom the diagnosis was made at post-mortem examination with the finding of fetal squames or hair in the lungs


USA

673.1

N/A

If not fatal, ICD-9CM code of 673.1.

For fatal cases, coding indicating AFE as cause of death or major contributing factor to the death


Knight et al. BMC Pregnancy and Childbirth 2012 12:7   doi:10.1186/1471-2393-12-7

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