Chapter XV
Pregnancy, childbirth and the puerperium
(O00-O99)

Pregnancy with abortive outcome
(O00-O08)

Excludes: continuing pregnancy in multiple gestation after abortion of one fetus or more ( O31.1 )

O00 Ectopic pregnancy
Includes: ruptured ectopic pregnancy
Use additional code from category O08.-, if desired, to identify any associated complication.
O00.0 Abdominal pregnancy
Excludes: delivery of viable fetus in abdominal pregnancy ( O83.3 )
maternal care for viable fetus in abdominal pregnancy ( O36.7 )
O00.1 Tubal pregnancy
Fallopian pregnancy
Rupture of (fallopian) tube due to pregnancy
Tubal abortion
O00.2 Ovarian pregnancy
O00.8 Other ectopic pregnancy
Pregnancy:
· cervical
· cornual
· intraligamentous
· mural
O00.9 Ectopic pregnancy, unspecified

O01 Hydatidiform mole
Use additional code from category O08.-, if desired, to identify any associated complication.
Excludes: malignant hydatidiform mole ( D39.2 )
O01.0 Classical hydatidiform mole
Complete hydatidiform mole
O01.1 Incomplete and partial hydatidiform mole
O01.9 Hydatidiform mole, unspecified
Trophoblastic disease NOS
Vesicular mole NOS

O02 Other abnormal products of conception
Use additional code from category O08.-, if desired, to identify any associated complication.
Excludes: papyraceous fetus ( O31.0 )
O02.0 Blighted ovum and nonhydatidiform mole
Mole:
· carneous
· fleshy
· intrauterine NOS
Pathological ovum
O02.1 Missed abortion
Early fetal death with retention of dead fetus
Excludes: missed abortion with:
· blighted ovum ( O02.0 )
· mole:
  · hydatidiform ( O01.- )
  · nonhydatidiform ( O02.0 )
O02.8 Other specified abnormal products of conception
Excludes: those with:
· blighted ovum ( O02.0 )
· mole:
  · hydatidiform ( O01.- )
  · nonhydatidiform ( O02.0 )
O02.9 Abnormal product of conception, unspecified

The following fourth-character subdivisions are for use with categories O03-O06:
Note: Incomplete abortion includes retained products of conception following abortion.
.0 Incomplete, complicated by genital tract and pelvic infection
With conditions in O08.0
.1 Incomplete, complicated by delayed or excessive haemorrhage
With conditions in O08.1
.2 Incomplete, complicated by embolism
With conditions in O08.2
.3 Incomplete, with other and unspecified complications
With conditions in O08.3-O08.9
.4 Incomplete, without complication
.5 Complete or unspecified, complicated by genital tract and pelvic infection
With conditions in O08.0
.6 Complete or unspecified, complicated by delayed or excessive haemorrhage
With conditions in O08.1
.7 Complete or unspecified, complicated by embolism
With conditions in O08.2
.8 Complete or unspecified, with other and unspecified complications
With conditions in O08.3-O08.9
.9 Complete or unspecified, without complication
O03 Spontaneous abortion
[See before O03 for subdivisions ]
Includes: miscarriage

O04 Medical abortion
[See before O03 for subdivisions ]
Includes: termination of pregnancy:
· legal
· therapeutic
therapeutic abortion

O05 Other abortion
[See before O03 for subdivisions ]

O06 Unspecified abortion
[See before O03 for subdivisions ]
Includes: induced abortion NOS

O07 Failed attempted abortion
Includes: failure of attempted induction of abortion
Excludes: incomplete abortion ( O03-O06 )
O07.0 Failed medical abortion, complicated by genital tract and pelvic infection
With conditions in O08.0
O07.1 Failed medical abortion, complicated by delayed or excessive haemorrhage
With conditions in O08.1
O07.2 Failed medical abortion, complicated by embolism
With conditions in O08.2
O07.3 Failed medical abortion, with other and unspecified complications
With conditions in O08.3-O08.9
O07.4 Failed medical abortion, without complication
Failed medical abortion NOS
O07.5 Other and unspecified failed attempted abortion, complicated by genital tract and pelvic infection
With conditions in O08.0
O07.6 Other and unspecified failed attempted abortion, complicated by delayed or excessive haemorrhage
With conditions in O08.1
O07.7 Other and unspecified failed attempted abortion, complicated by embolism
With conditions in O08.2
O07.8 Other and unspecified failed attempted abortion, with other and unspecified complications
With conditions in O08.3-O08.9
O07.9 Other and unspecified failed attempted abortion, without complication
Failed attempted abortion NOS

O08 Complications following abortion and ectopic and molar pregnancy
Note: This code is provided primarily for morbidity coding. For use of this category reference should be made to the morbidity coding rules and guidelines in Volume 2.
O08.0 Genital tract and pelvic infection following abortion and ectopic and molar pregnancy
Endometritis
Oophoritis
Parametritis
Pelvic peritonitis
Salpingitis
Salpingo-oophoritis
Sepsis
Septic shock
Septicaemia
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following conditions classifiable to O00-O07
Excludes: septic or septicopyaemic embolism ( O08.2 )
urinary tract infection ( O08.8 )
O08.1 Delayed or excessive haemorrhage following abortion and ectopic and molar pregnancy
Afibrinogenaemia
Defibrination syndrome
Intravascular coagulation
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following conditions classifiable to O00-O07
O08.2 Embolism following abortion and ectopic and molar pregnancy
Embolism:
· NOS
· air
· amniotic fluid
· blood-clot
· pulmonary
· pyaemic
· septic or septicopyaemic
· soap
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following conditions classifiable to O00-O07
O08.3 Shock following abortion and ectopic and molar pregnancy
Circulatory collapse
Shock (postoperative)
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following conditions classifiable to O00-O07
Excludes: septic shock ( O08.0 )
O08.4 Renal failure following abortion and ectopic and molar pregnancy
Oliguria
Renal:
· failure (acute)
· shutdown
· tubular necrosis
Uraemia
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following conditions classifiable to O00-O07
O08.5 Metabolic disorders following abortion and ectopic and molar pregnancy
Electrolyte imbalance following conditions classifiable to O00-O07
O08.6 Damage to pelvic organs and tissues following abortion and ectopic and molar pregnancy
Laceration, perforation, tear or chemical damage of:
· bladder
· bowel
· broad ligament
· cervix
· periurethral tissue
· uterus
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following conditions classifiable to O00-O07
O08.7 Other venous complications following abortion and ectopic and molar pregnancy
O08.8 Other complications following abortion and ectopic and molar pregnancy
Cardiac arrest
Urinary tract infection
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following conditions classifiable to O00-O07
O08.9 Complication following abortion and ectopic and molar pregnancy, unspecified
Unspecified complication following conditions classifiable to O00-O07