Placenta Flashcards
induced abortion CPT code
88304
spontaneous/missed abortion CPT code
88305
is the decidua alone sufficient to verify a pregnancy took place?
no
80% of pregnancy loss occurs during this time
first trimester (12 weeks)
50% of pregnancy losses are due to
chromosomal abnormalities
medically necessary abortion
therapeutic abortion
choice to end pregnancy
elective abortion
pregnancy ends with an unknown etiology
spontaneous abortion/miscarriage
modified endometrium that forms in prep for pregnancy, the maternal part of the placenta
decidua
placental/fetal tissue remains in uterus, incomplete miscarriage
retained product of conception
cessation of vaginal bleeding with no evidence of retained POCs or gestation sac in a woman who previously had an ultrasound that confirmed intrauterine pregnancy
complete miscarriage
bleeding occurs and the cervix is dilated but tissue from pregnancy remains in the uterus
incomplete miscarriage
villi appearance that is consistent with a molar pregnancy
grape like
greater than ___ weeks is considered stillborn and autopsy can be performed
20
placenta third trimester CPT code
88307
placenta other than third trimester CPT code
88305
multiple gestation CPT code
88307
composed of fetal portion and maternal portion
placental disc
composed of amnion, chorion and decidual capsularis
membranes
innermost covering of amniotic cavity which are composed of flat epithelial cells that rest on a thin basement membrane with underlying thin band of loose connective tissue
amnion
this may show squamous metaplasia, especially near the cord or in pregnancies complicated by oligohydramnios
amnion
connective tissue membrane containing fetal vessels, internal to amnion, external to villi
chorion
formed by the collapse of the intervillous space during development; composed of mononuclear, sometimes, vacuolated, trophoblasts and scattered atrophic chorionic villi
membranous chorion
chorion laeve
membranous chorion