ICD-10-CM Alphabetic Index · FY 2026 799 Entries

Pregnancy in the ICD-10-CM Index ICD-10-CM

The main term Pregnancy (single) (uterine) carries 799 index entries pointing to 377 ICD-10-CM codes. The default entry is Z33.1, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
799
Index Entries
377
Codes Referenced
Z33.1
Default Code
P
Letter
799 of 799 shown
ICD-10-CM

Index Entries Under Pregnancy 799 entries · 377 codes

Pregnancy (single) (uterine) Z33.1
Note: The Tabular must be reviewed for assignment of the appropriate character indicating the trimester of the pregnancy
Note: The Tabular must be reviewed for assignment of appropriate seventh character for multiple gestation codes in Chapter 15
abdominal (ectopic) O00.00
with intrauterine pregnancy O00.01
with viable fetus O36.7 Non-billable
ampullar O00.10 Non-billable
with intrauterine pregnancy O00.11 Non-billable
biochemical O02.81
broad ligament O00.80
with intrauterine pregnancy O00.81
cervical O00.80
with intrauterine pregnancy O00.81
chemical O02.81
complicated NOS O26.9 Non-billable
complicated by (care of) (management affected by)
abnormal, abnormality
cervix O34.4 Non-billable
causing obstructed labor O65.5
cord (umbilical) O69.9 Non-billable
fetal heart rate or rhythm O36.83 Non-billable
findings on antenatal screening of mother O28.9
biochemical O28.1
cytological O28.2
chromosomal O28.5
genetic O28.5
hematological O28.0
radiological O28.4
specified NEC O28.8
ultrasonic O28.3
glucose (tolerance) NEC O99.810
pelvic organs O34.9 Non-billable
specified NEC O34.8 Non-billable
causing obstructed labor O65.5
pelvis (bony) (major) NEC O33.0
perineum O34.7 Non-billable
position
placenta O44.0 Non-billable
with hemorrhage O44.1 Non-billable
uterus O34.59 Non-billable
uterus O34.59 Non-billable
causing obstructed labor O65.5
congenital O34.0 Non-billable
vagina O34.6 Non-billable
causing obstructed labor O65.5
vulva O34.7 Non-billable
causing obstructed labor O65.5
abruptio placentae see Abruptio placentae
abscess or cellulitis
bladder O23.1 Non-billable
breast O91.11 Non-billable
genital organ or tract O23.9 Non-billable
abuse
physical O9A.31 Non-billable
psychological O9A.51 Non-billable
sexual O9A.41 Non-billable
adverse effect anesthesia O29.9 Non-billable
aspiration pneumonitis O29.01 Non-billable
cardiac arrest O29.11 Non-billable
cardiac complication NEC O29.19 Non-billable
cardiac failure O29.12 Non-billable
central nervous system complication NEC O29.29 Non-billable
cerebral anoxia O29.21 Non-billable
failed or difficult intubation O29.6 Non-billable
inhalation of stomach contents or secretions NOS O29.01 Non-billable
local, toxic reaction O29.3X Non-billable
Mendelson's syndrome O29.01 Non-billable
pressure collapse of lung O29.02 Non-billable
pulmonary complications NEC O29.09 Non-billable
specified NEC O29.8X Non-billable
spinal and epidural type NEC O29.5X Non-billable
induced headache O29.4 Non-billable
albuminuria O12.1 Non-billable see also Proteinuria, gestational
alcohol use O99.31 Non-billable
amnionitis O41.12 Non-billable
anaphylactoid syndrome of pregnancy O88.01 Non-billable
anemia (conditions in D50-D64) (pre-existing) O99.01 Non-billable
complicating childbirth O99.02
complicating the puerperium O99.03
antepartum hemorrhage O46.9 Non-billable
with coagulation defect see Hemorrhage, antepartum, with coagulation defect
specified NEC O46.8X Non-billable
appendicitis O99.61 Non-billable
atrophy (yellow) (acute) liver (subacute) O26.61 Non-billable
bariatric surgery status O99.84 Non-billable
bicornis or bicornuate uterus O34.0 Non-billable
biliary tract problems O26.61 Non-billable
breech presentation O32.1 Non-billable
cardiovascular diseases (conditions in I00-I09, I20-I52, I70-I99) O99.41 Non-billable
cerebrovascular disorders (conditions in I60-I69) O99.41 Non-billable
cervical shortening O26.87 Non-billable
cervicitis O23.51 Non-billable
cesarean scar defect (isthmocele) O34.22
chloasma (gravidarum) O26.89 Non-billable
cholestasis (intrahepatic) O26.64 Non-billable
cholecystitis O99.61 Non-billable
chorioamnionitis O41.12 Non-billable
circulatory system disorder (conditions in I00-I09, I20-I99, O99.41-)
compound presentation O32.6 Non-billable
conjoined twins O30.02 Non-billable
connective system disorders (conditions in M00-M99) O99.891
contracted pelvis (general) O33.1
inlet O33.2
outlet O33.3 Non-billable
convulsions (eclamptic) (uremic) O15.9 see also Eclampsia
cracked nipple O92.11 Non-billable
cystitis O23.1 Non-billable
cystocele O34.8 Non-billable
death of fetus (near term) O36.4 Non-billable
early pregnancy O02.1
of one fetus or more in multiple gestation O31.2 Non-billable
deciduitis O41.14 Non-billable
decreased fetal movement O36.81 Non-billable
dental problems O99.61 Non-billable
diabetes (mellitus) O24.91 Non-billable
gestational (pregnancy induced) see Diabetes, gestational
pre-existing O24.31 Non-billable
specified NEC O24.81 Non-billable
type 1 O24.01 Non-billable
type 2 O24.11 Non-billable
digestive system disorders (conditions in K00-K93) O99.61 Non-billable
diseases of see Pregnancy, complicated by, specified body system disease
biliary tract O26.61 Non-billable
blood NEC (conditions in D65-D77) O99.11 Non-billable
liver O26.61 Non-billable
specified NEC O99.891
disorders of see Pregnancy, complicated by, specified body system disorder
amniotic fluid and membranes O41.9 Non-billable
specified NEC O41.8X Non-billable
biliary tract O26.61 Non-billable
ear and mastoid process (conditions in H60-H95) O99.891
eye and adnexa (conditions in H00-H59) O99.891
liver O26.61 Non-billable
skin (conditions in L00-L99) O99.71 Non-billable
specified NEC O99.891
displacement, uterus NEC O34.59 Non-billable
causing obstructed labor O65.5
disproportion (due to) O33.9
fetal (ascites) (hydrops) (meningomyelocele) (sacral teratoma) (tumor) deformities NEC O33.7 Non-billable
generally contracted pelvis O33.1
hydrocephalic fetus O33.6 Non-billable
inlet contraction of pelvis O33.2
mixed maternal and fetal origin O33.4 Non-billable
specified NEC O33.8
double uterus O34.0 Non-billable
causing obstructed labor O65.5
drug use (conditions in F11-F19) O99.32 Non-billable
eclampsia, eclamptic (coma) (convulsions) (delirium) (nephritis) (uremia) O15. see also Eclampsia
ectopic pregnancy see Pregnancy, ectopic
edema O12.0 Non-billable
with
gestational hypertension, mild O14.0 Non-billable see also Pre-eclampsia
proteinuria O12.2 Non-billable
effusion, amniotic fluid see Pregnancy, complicated by, premature rupture of membranes
elderly
multigravida O09.52 Non-billable
primigravida O09.51 Non-billable
embolism O88. see also Embolism, obstetric, pregnancy
endocrine diseases NEC O99.28 Non-billable
endometritis O86.12
excessive weight gain O26.0 Non-billable
exhaustion O26.81 Non-billable
during labor and delivery O75.81
face presentation O32.3 Non-billable
failed induction of labor O61.9
instrumental O61.1
mechanical O61.1
medical O61.0
specified NEC O61.8
surgical O61.1
failed or difficult intubation for anesthesia O29.6 Non-billable
false labor (pains) O47.9
at or after 37 completed weeks of pregnancy O47.1
before 37 completed weeks of pregnancy O47.0 Non-billable
fatigue O26.81 Non-billable
during labor and delivery O75.81
fatty metamorphosis of liver O26.61 Non-billable
female genital mutilation O34.8 Non-billable
fetal (maternal care for)
abnormality or damage O35.9 Non-billable
acid-base balance O68
specified type NEC O35.8 Non-billable
acidemia O68
acidosis O68
agenesis of corpus callosum O35.01 Non-billable
alkalosis O68
anemia and thrombocytopenia O36.82 Non-billable
anencephaly O35.02 Non-billable
bradycardia O36.83 Non-billable
cardiac anomalies O35.B Non-billable
central nervous system malformation or damage O35.00 Non-billable
specified type NEC O35.09 Non-billable
choroid plexus cysts O35.03 Non-billable
chromosomal abnormality (conditions in Q90-Q99) O35.10 Non-billable
sex chromosome O35.15 Non-billable
specified NEC O35.19 Non-billable
Trisomy 13 O35.11 Non-billable
Trisomy 18 O35.12 Non-billable
Trisomy 21 O35.13 Non-billable
Turner Syndrome O35.14 Non-billable
conjoined twins O30.02 Non-billable
damage from
amniocentesis O35.7 Non-billable
biopsy procedures O35.7 Non-billable
drug addiction O35.5 Non-billable
hematological investigation O35.7 Non-billable
intrauterine contraceptive device O35.7 Non-billable
maternal
alcohol addiction O35.4 Non-billable
cytomegalovirus infection O35.3 Non-billable
disease NEC O35.8 Non-billable
drug addiction O35.5 Non-billable
listeriosis O35.8 Non-billable
rubella O35.3 Non-billable
toxoplasmosis O35.8 Non-billable
viral infection O35.3 Non-billable
medical procedure NEC O35.7 Non-billable
radiation O35.6 Non-billable
death (near term) O36.4 Non-billable
early pregnancy O02.1
decreased movement O36.81 Non-billable
depressed heart rate tones O36.83 Non-billable
disproportion due to deformity (fetal) O33.7 Non-billable
encephalocele O35.04 Non-billable
excessive growth (large for dates) O36.6 Non-billable
facial anomalies O35.A Non-billable
gastrointestinal anomalies O35.D Non-billable
genitourinary anomalies O35.E Non-billable
growth retardation O36.59 Non-billable
light for dates O36.59 Non-billable
small for dates O36.59 Non-billable
heart rate irregularity (abnormal variability) (bradycardia) (decelerations) (tachycardia) O36.83 Non-billable
hereditary disease O35.2 Non-billable
holoprosencephaly O35.05 Non-billable
hydrocephalus O35.06 Non-billable
hydrocephaly O35.06 Non-billable
intrauterine death O36.4 Non-billable
microcephaly O35.07 Non-billable
musculoskeletal anomalies
lower extremities O35.H Non-billable
trunk O35.F Non-billable
upper extremities O35.G Non-billable
non-reassuring heart rate or rhythm O36.83 Non-billable
poor growth O36.59 Non-billable
light for dates O36.59 Non-billable
small for dates O36.59 Non-billable
problem O36.9 Non-billable
specified NEC O36.89 Non-billable
pulmonary anomalies O35.C Non-billable
reduction (elective) O31.3 Non-billable
selective termination O31.3 Non-billable
spina bifida O35.08 Non-billable
thrombocytopenia O36.82 Non-billable
fibroid (tumor) (uterus) O34.1 Non-billable
fissure of nipple O92.11 Non-billable
gallstones O99.61 Non-billable
gastric banding status O99.84 Non-billable
gastric bypass status O99.84 Non-billable
genital herpes (asymptomatic) (history of) (inactive) O98.3 Non-billable
genital tract infection O23.9 Non-billable
glomerular diseases (conditions in N00-N07) O26.83 Non-billable
with hypertension, pre-existing see Hypertension, complicating, pregnancy, pre-existing, with, renal disease
gonorrhea O98.21 Non-billable
grand multiparity O09.4 Non-billable
habitual aborter see Pregnancy, complicated by, recurrent pregnancy loss
HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) O14.2 Non-billable
hemorrhage
antepartum see Hemorrhage, antepartum
before 20 completed weeks gestation O20.9
specified NEC O20.8
due to premature separation, placenta O45.9 Non-billable see also Abruptio placentae
early O20.9
specified NEC O20.8
threatened abortion O20.0
hemorrhoids O22.4 Non-billable
hepatitis (viral) O98.41 Non-billable
herniation of uterus O34.59 Non-billable
high
head at term O32.4 Non-billable
risk see Supervision (of) (for), high-risk
history of in utero procedure during previous pregnancy O09.82 Non-billable
HIV O98.71 Non-billable
human immunodeficiency virus (HIV) disease O98.71 Non-billable
hydatidiform mole O01.9 see also Mole, hydatidiform
hydramnios O40.
hydrocephalic fetus (disproportion) O33.6 Non-billable
hydrops
amnii O40.
fetalis O36.2 Non-billable
associated with isoimmunization O36.11 Non-billable see also Pregnancy, complicated by, isoimmunization
hydrorrhea O42.90
hyperemesis (gravidarum) (mild) O21.0 see also Hyperemesis, gravidarum
hypertension see Hypertension, complicating pregnancy
hypertensive
heart and renal disease, pre-existing see Hypertension, complicating, pregnancy, pre-existing, with, heart disease, with renal disease
heart disease, pre-existing see Hypertension, complicating, pregnancy, pre-existing, with, heart disease
renal disease, pre-existing see Hypertension, complicating, pregnancy, pre-existing, with, renal disease
hypotension O26.5 Non-billable
immune disorders NEC (conditions in D80-D89) O99.11 Non-billable
incarceration, uterus O34.51 Non-billable
incompetent cervix O34.3 Non-billable
inconclusive fetal viability O36.80 Non-billable
infection (s) O98.91 Non-billable
amniotic fluid or sac O41.10 Non-billable
bladder O23.1 Non-billable
carrier state NEC O99.830
streptococcus B O99.820
genital organ or tract O23.9 Non-billable
specified NEC O23.59 Non-billable
genitourinary tract O23.9 Non-billable
gonorrhea O98.21 Non-billable
hepatitis (viral) O98.41 Non-billable
HIV O98.71 Non-billable
human immunodeficiency virus (HIV) O98.71 Non-billable
intrauterine O41.12 Non-billable
kidney O23.0 Non-billable
nipple O91.01 Non-billable
parasitic disease O98.91 Non-billable
specified NEC O98.81 Non-billable
protozoal disease O98.61 Non-billable
sexually transmitted NEC O98.31 Non-billable
specified type NEC O98.81 Non-billable
syphilis O98.11 Non-billable
tuberculosis O98.01 Non-billable
urethra O23.2 Non-billable
urinary (tract) O23.4 Non-billable
specified NEC O23.3 Non-billable
viral disease O98.51 Non-billable
inflammation
intrauterine O41.12 Non-billable
injury or poisoning (conditions in S00-T88) O9A.21 Non-billable
due to abuse
physical O9A.31 Non-billable
psychological O9A.51 Non-billable
sexual O9A.41 Non-billable
insufficient
prenatal care O09.3 Non-billable
weight gain O26.1 Non-billable
insulin resistance O26.89 Non-billable
intrauterine fetal death (near term) O36.4 Non-billable
early pregnancy O02.1
multiple gestation (one fetus or more) O31.2 Non-billable
isoimmunization O36.11 Non-billable
anti-A sensitization O36.11 Non-billable
anti-B sensitization O36.19 Non-billable
Rh O36.09 Non-billable
anti-D antibody O36.01 Non-billable
specified NEC O36.19 Non-billable
laceration of uterus NEC O71.81
malformation
central nervous system O35.00 Non-billable
specified type NEC O35.09 Non-billable
placenta, placental (vessel) O43.10 Non-billable
specified NEC O43.19 Non-billable
uterus (congenital) O34.0 Non-billable
malnutrition (conditions in E40-E46) O25.1 Non-billable
maternal hypotension syndrome O26.5 Non-billable
mental disorders (conditions in F01-F09, F20-F52 and F54-F99) O99.34 Non-billable
alcohol use O99.31 Non-billable
drug use O99.32 Non-billable
smoking O99.33 Non-billable
mentum presentation O32.3 Non-billable
metabolic disorders O99.28 Non-billable
missed
abortion O02.1
delivery O36.4 Non-billable
multiple gestations O30.9 Non-billable
conjoined twins O30.02 Non-billable
specified number of multiples NEC see Pregnancy, multiple (gestation), specified NEC
quadruplet see Pregnancy, quadruplet
specified complication NEC O31.8X Non-billable
triplet see Pregnancy, triplet
twin see Pregnancy, twin
musculoskeletal condition (conditions is M00-M99) O99.891
necrosis, liver (conditions in K72) O26.61 Non-billable
neoplasm
benign
cervix O34.4 Non-billable
corpus uteri O34.1 Non-billable
uterus O34.1 Non-billable
malignant O9A.11 Non-billable
nephropathy NEC O26.83 Non-billable
nervous system condition (conditions in G00-G99) O99.35 Non-billable
nutritional diseases NEC O99.28 Non-billable
obesity (pre-existing) O99.21 Non-billable
obesity surgery status O99.84 Non-billable
oblique lie or presentation O32.2 Non-billable
older mother see Pregnancy, complicated by, elderly
oligohydramnios O41.0 Non-billable
with premature rupture of membranes O42. see also Pregnancy, complicated by, premature rupture of membranes
onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean section O75.82
oophoritis O23.52 Non-billable
overdose, drug O9A.21 Non-billable see also Table of Drugs and Chemicals, by drug, poisoning
oversize fetus O33.5 Non-billable
papyraceous fetus O31.0 Non-billable
pelvic inflammatory disease O99.891
periodontal disease O99.61 Non-billable
peripheral neuritis O26.82 Non-billable
peritoneal (pelvic) adhesions O99.891
phlebitis O22.9 Non-billable
phlebopathy O22.9 Non-billable
phlebothrombosis (superficial) O22.2 Non-billable
deep O22.3 Non-billable
placenta accreta O43.21 Non-billable
placenta increta O43.22 Non-billable
placenta percreta O43.23 Non-billable
placenta previa O44.0 Non-billable
complete O44.0 Non-billable
with hemorrhage O44.1 Non-billable
marginal O44.2 Non-billable
with hemorrhage O44.3 Non-billable
partial O44.2 Non-billable
with hemorrhage O44.3 Non-billable
placental disorder O43.9 Non-billable
specified NEC O43.89 Non-billable
placental dysfunction O43.89 Non-billable
placental infarction O43.81 Non-billable
placental insufficiency O36.51 Non-billable
placental transfusion syndromes
fetomaternal O43.01 Non-billable
fetus to fetus O43.02 Non-billable
maternofetal O43.01 Non-billable
placentitis O41.14 Non-billable
pneumonia O99.51 Non-billable
poisoning O9A.21 Non-billable see also Table of Drugs and Chemicals
polyhydramnios O40 Non-billable
polymorphic eruption of pregnancy O26.86
poor obstetric history NEC O09.29 Non-billable
postmaturity (post-term) (40 to 42 weeks) O48.0
more than 42 completed weeks gestation (prolonged) O48.1
pre-eclampsia O14.9 Non-billable
mild O14.0 Non-billable
moderate O14.0 Non-billable
severe O14.1 Non-billable
with hemolysis, elevated liver enzymes and low platelet count (HELLP) O14.2 Non-billable
premature labor see Pregnancy, complicated by, preterm labor
premature rupture of membranes O42.90
full-term, unspecified as to length of time between rupture and onset of labor O42.92
with onset of labor
within 24 hours O42.00
at or after 37 weeks gestation, onset of labor within 24 hours of rupture O42.02
pre-term (before 37 completed weeks of gestation) O42.01 Non-billable
after 24 hours O42.10
at or after 37 weeks gestation, onset of labor more than 24 hours following rupture O42.12
pre-term (before 37 completed weeks of gestation) O42.11 Non-billable
at or after 37 weeks gestation, unspecified as to length of time between rupture and onset of labor O42.92
pre-term (before 37 completed weeks of gestation) O42.91 Non-billable
premature separation of placenta O45.9 Non-billable see also Abruptio placentae
presentation, fetal see Delivery, complicated by, malposition
preterm delivery O60.10 Non-billable
preterm labor
with delivery O60.10 Non-billable
preterm O60.10 Non-billable
term O60.20 Non-billable
second trimester
with term delivery O60.22 Non-billable
without delivery O60.02
with preterm delivery
second trimester O60.12 Non-billable
third trimester O60.13 Non-billable
third trimester
with term delivery O60.23 Non-billable
without delivery O60.03
with third trimester preterm delivery O60.14 Non-billable
without delivery O60.00
second trimester O60.02
third trimester O60.03
previous history of see Pregnancy, supervision of, high-risk
prolapse, uterus O34.52 Non-billable
proteinuria (gestational) O12.1 Non-billable see also Proteinuria, gestational
with edema O12.2 Non-billable
pruritic urticarial papules and plaques of pregnancy (PUPPP) O26.86
pruritus (neurogenic) O26.89 Non-billable
psychosis or psychoneurosis (puerperal) F53.1
ptyalism O26.89 Non-billable
PUPPP (pruritic urticarial papules and plaques of pregnancy) O26.86
pyelitis O23.0 Non-billable
recurrent pregnancy loss O26.2 Non-billable
renal disease or failure NEC O26.83 Non-billable
with secondary hypertension, pre-existing see Hypertension, complicating, pregnancy, pre-existing, secondary
hypertensive, pre-existing see Hypertension, complicating, pregnancy, pre-existing, with, renal disease
respiratory condition (conditions in J00-J99) O99.51 Non-billable
retained, retention
dead ovum O02.0
intrauterine contraceptive device O26.3 Non-billable
retroversion, uterus O34.53 Non-billable
Rh immunization, incompatibility or sensitization NEC O36.09 Non-billable
anti-D antibody O36.01 Non-billable
rupture
amnion (premature) O42 Non-billable see also Pregnancy, complicated by, premature rupture of membranes
membranes (premature) O42 Non-billable see also Pregnancy, complicated by, premature rupture of membranes
uterus (during labor) O71.1
before onset of labor O71.0 Non-billable
salivation (excessive) O26.89 Non-billable
salpingitis O23.52 Non-billable
salpingo-oophoritis O23.52 Non-billable
sepsis (conditions in A40, A41) O98.81 Non-billable
size date discrepancy (uterine) O26.84 Non-billable
skin condition (conditions in L00-L99) O99.71 Non-billable
smoking (tobacco) O99.33 Non-billable
social problem O09.7 Non-billable
specified condition NEC O26.89 Non-billable
spotting O26.85 Non-billable
streptococcus group B (GBS) carrier state O99.820
subluxation of symphysis (pubis) O26.71 Non-billable
syphilis (conditions in A50-A53) O98.11 Non-billable
threatened
abortion O20.0
labor O47.9
at or after 37 completed weeks of gestation O47.1
before 37 completed weeks of gestation O47.0 Non-billable
thrombophlebitis (superficial) O22.2 Non-billable
thrombosis O22.9 Non-billable
cerebral venous O22.5 Non-billable
cerebrovenous sinus O22.5 Non-billable
deep O22.3 Non-billable
tobacco use disorder (smoking) O99.33 Non-billable
torsion of uterus O34.59 Non-billable
toxemia O14.9 Non-billable
transverse lie or presentation O32.2 Non-billable
tuberculosis (conditions in A15-A19) O98.01 Non-billable
tumor (benign)
cervix O34.4 Non-billable
malignant O9A.11 Non-billable
uterus O34.1 Non-billable
unstable lie O32.0 Non-billable
upper respiratory infection O99.51 Non-billable
urethritis O23.2 Non-billable
uterine size date discrepancy O26.84 Non-billable
vaginitis or vulvitis O23.59 Non-billable
varicose veins (lower extremities) O22.0 Non-billable
genitals O22.1 Non-billable
legs O22.0 Non-billable
perineal O22.1 Non-billable
vaginal or vulval O22.1 Non-billable
venereal disease NEC (conditions in A63.8) O98.31 Non-billable
venous disorders O22.9 Non-billable
specified NEC O22.8X Non-billable
viral diseases (conditions in A80-B09, B25-B34) O98.51 Non-billable
very young mother see Pregnancy, complicated by, young mother
vomiting O21.9
due to diseases classified elsewhere O21.8
hyperemesis gravidarum (mild) O21.0 see also Hyperemesis, gravidarum
late (occurring after 20 weeks of gestation) O21.2
young mother
multigravida O09.62 Non-billable
primigravida O09.61 Non-billable
concealed O09.3 Non-billable
continuing following
elective fetal reduction of one or more fetus O31.3 Non-billable
intrauterine death of one or more fetus O31.2 Non-billable
spontaneous abortion of one or more fetus O31.1 Non-billable
cornual O00.80
with intrauterine pregnancy O00.81
ectopic (ruptured) O00.90
with intrauterine pregnancy O00.91
abdominal O00.00
with
intrauterine pregnancy O00.01
viable fetus O36.7 Non-billable
cervical O00.80
with intrauterine pregnancy O00.81
complicated (by) O08.9
afibrinogenemia O08.1
cardiac arrest O08.81
chemical damage of pelvic organ (s) O08.6
circulatory collapse O08.3
defibrination syndrome O08.1
electrolyte imbalance O08.5
embolism (amniotic fluid) (blood clot) (pulmonary) (septic) O08.2
endometritis O08.0
genital tract and pelvic infection O08.0
hemorrhage (delayed) (excessive) O08.1
infection
genital tract or pelvic O08.0
kidney 008.83
urinary tract O08.83
intravascular coagulation O08.1
laceration of pelvic organ (s) O08.6
metabolic disorder O08.5
oliguria O08.4
oophoritis O08.0
parametritis O08.0
pelvic peritonitis O08.0
perforation of pelvic organ (s) O08.6
renal failure or shutdown O08.4
salpingitis or salpingo-oophoritis O08.0
sepsis O08.82
shock O08.83
septic O08.82
specified condition NEC O08.89
tubular necrosis (renal) O08.4
uremia O08.4
urinary infection O08.83
venous complication NEC O08.7
embolism O08.2
cornual O00.80
with intrauterine pregnancy O00.81
intraligamentous O00.80
with intrauterine pregnancy O00.81
mural O00.80
with intrauterine pregnancy O00.81
ovarian O00.20 Non-billable
with intrauterine pregnancy O00.21 Non-billable
specified site NEC O00.80
with intrauterine pregnancy O00.81
tubal (ruptured) O00.10 Non-billable
with intrauterine pregnancy O00.11 Non-billable
examination (normal) Z34.9 Non-billable
high-risk see Pregnancy, supervision of, high-risk
first Z34.0 Non-billable
specified Z34.8 Non-billable
extrauterine see Pregnancy, ectopic
fallopian O00.10 Non-billable
with intrauterine pregnancy O00.11 Non-billable
false F45.8
gestational carrier Z33.3
heptachorionic, hepta-amniotic (septuplets) O30.83 Non-billable
hexachorionic, hexa-amniotic (sextuplets) O30.83 Non-billable
hidden O09.3 Non-billable
high-risk see Pregnancy, supervision of, high-risk
incidental finding Z33.1
interstitial O00.80
with intrauterine pregnancy O00.81
intraligamentous O00.80
with intrauterine pregnancy O00.81
intramural O00.80
with intrauterine pregnancy O00.81
intraperitoneal O00.00
with intrauterine pregnancy O00.01
isthmian O00.10 Non-billable
with intrauterine pregnancy O00.11 Non-billable
mesometric (mural) O00.80
with intrauterine pregnancy O00.81
molar NEC O02.0
complicated (by) O08.9
afibrinogenemia O08.1
cardiac arrest O08.81
chemical damage of pelvic organ (s) O08.6
circulatory collapse O08.3
defibrination syndrome O08.1
electrolyte imbalance O08.5
embolism (amniotic fluid) (blood clot) (pulmonary) (septic) O08.2
endometritis O08.0
genital tract and pelvic infection O08.0
hemorrhage (delayed) (excessive) O08.1
infection
genital tract or pelvic O08.0
kidney O08.83
urinary tract O08.83
intravascular coagulation O08.1
laceration of pelvic organ (s) O08.6
metabolic disorder O08.5
oliguria O08.4
oophoritis O08.0
parametritis O08.0
pelvic peritonitis O08.0
perforation of pelvic organ (s) O08.6
renal failure or shutdown O08.4
salpingitis or salpingo-oophoritis O08.0
sepsis O08.82
shock O08.3
septic O08.82
specified condition NEC O08.89
tubular necrosis (renal) O08.4
uremia O08.4
urinary infection O08.83
venous complication NEC O08.7
embolism O08.2
hydatidiform O01.9 see also Mole, hydatidiform
multiple (gestation) O30.9 Non-billable
greater than quadruplets see Pregnancy, multiple (gestation), specified NEC
specified NEC O30.80 Non-billable
with
two or more monoamniotic fetuses O30.82 Non-billable
two or more monochorionic fetuses O30.81 Non-billable
number of chorions and amnions are both equal to the number of fetuses O30.83 Non-billable
two or more monoamniotic fetuses O30.82 Non-billable
two or more monochorionic fetuses O30.81 Non-billable
unable to determine number of placenta and number of amniotic sacs O30.89 Non-billable
unspecified number of placenta and unspecified number of amniotic sacs O30.80 Non-billable
mural O00.80
with intrauterine pregnancy O00.81
normal (supervision of) Z34.9 Non-billable
high-risk see Pregnancy, supervision of, high-risk
first Z34.0 Non-billable
specified Z34.8 Non-billable
ovarian O00.20 Non-billable
with intrauterine pregnancy O00.21 Non-billable
pentachorionic, penta-amniotic (quintuplets) O30.83 Non-billable
postmature (40 to 42 weeks) O48.0
more than 42 weeks gestation O48.1
post-term (40 to 42 weeks) O48.0
prenatal care only Z34.9 Non-billable
high-risk see Pregnancy, supervision of, high-risk
first Z34.0 Non-billable
specified Z34.8 Non-billable
prolonged (more than 42 weeks gestation) O48.1
quadruplet O30.20 Non-billable
with
two or more monoamniotic fetuses O30.22 Non-billable
two or more monochorionic fetuses O30.21 Non-billable
quadrachorionic/quadra-amniotic O30.23 Non-billable
two or more monoamniotic fetuses O30.22 Non-billable
two or more monochorionic fetuses O30.21 Non-billable
unable to determine number of placenta and number of amniotic sacs O30.29 Non-billable
unspecified number of placenta and unspecified number of amniotic sacs O30.20 Non-billable
quintuplet see Pregnancy, multiple (gestation), specified NEC
sextuplet see Pregnancy, multiple (gestation), specified NEC
supervision of
concealed pregnancy O09.3 Non-billable
elderly mother
multigravida O09.52 Non-billable
primigravida O09.51 Non-billable
hidden pregnancy O09.3 Non-billable
high-risk O09.9 Non-billable
due to (history of)
ectopic pregnancy O09.1 Non-billable
elderly see Pregnancy, supervision, elderly mother
grand multiparity O09.4 Non-billable
infertility O09.0 Non-billable
insufficient prenatal care O09.3 Non-billable
in utero procedure during previous pregnancy O09.82 Non-billable
in vitro fertilization O09.81 Non-billable
molar pregnancy O09.A Non-billable
multiple previous pregnancies O09.4 Non-billable
older mother see Pregnancy, supervision of, elderly mother
poor reproductive or obstetric history NEC O09.29 Non-billable
pre-term labor O09.21 Non-billable
previous
neonatal death O09.29 Non-billable
social problems O09.7 Non-billable
specified NEC O09.89 Non-billable
very young mother see Pregnancy, supervision, young mother
resulting from in vitro fertilization O09.81 Non-billable
normal Z34.9 Non-billable
first Z34.0 Non-billable
specified NEC Z34.8 Non-billable
young mother
multigravida O09.62 Non-billable
primigravida O09.61 Non-billable
triplet O30.10 Non-billable
with
two or more monoamniotic fetuses O30.12 Non-billable
two or more monochorionic fetuses O30.11 Non-billable
trichorionic/triamniotic O30.13 Non-billable
two or more monoamniotic fetuses O30.12 Non-billable
two or more monochorionic fetuses O30.11 Non-billable
unable to determine number of placenta and number of amniotic sacs O30.19 Non-billable
unspecified number of placenta and unspecified number of amniotic sacs O30.10 Non-billable
tubal (with abortion) (with rupture) O00.10 Non-billable
with intrauterine pregnancy O00.11 Non-billable
twin O30.00 Non-billable
conjoined O30.02 Non-billable
dichorionic/diamniotic (two placenta, two amniotic sacs) O30.04 Non-billable
monochorionic/diamniotic (one placenta, two amniotic sacs) O30.03 Non-billable
monochorionic/monoamniotic (one placenta, one amniotic sac) O30.01 Non-billable
unable to determine number of placenta and number of amniotic sacs O30.09 Non-billable
unspecified number of placenta and unspecified number of amniotic sacs O30.00 Non-billable
unwanted Z64.0
weeks of gestation
8 weeks Z3A.08
9 weeks Z3A.09
10 weeks Z3A.10
11 weeks Z3A.11
12 weeks Z3A.12
13 weeks Z3A.13
14 weeks Z3A.14
15 weeks Z3A.15
16 weeks Z3A.16
17 weeks Z3A.17
18 weeks Z3A.18
19 weeks Z3A.19
20 weeks Z3A.20
21 weeks Z3A.21
22 weeks Z3A.22
23 weeks Z3A.23
24 weeks Z3A.24
25 weeks Z3A.25
26 weeks Z3A.26
27 weeks Z3A.27
28 weeks Z3A.28
29 weeks Z3A.29
30 weeks Z3A.30
31 weeks Z3A.31
32 weeks Z3A.32
33 weeks Z3A.33
34 weeks Z3A.34
35 weeks Z3A.35
36 weeks Z3A.36
37 weeks Z3A.37
38 weeks Z3A.38
39 weeks Z3A.39
40 weeks Z3A.40
41 weeks Z3A.41
42 weeks Z3A.42
greater than 42 weeks Z3A.49
less than 8 weeks Z3A.01
not specified Z3A.00

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Related Index Terms

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.