OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 218.9 616.1 620.2 623.5 625.9 626 626.2 626.4 626.7 626.8 632 633.90 644.03 644.13 646.63 ICD-9 Diagnosis Description ICD-10 Diagnosis Code ICD-10 Diagnosis Description Leiomyoma of uterus, unspecified Vaginitis and vulvovaginitis, unspecified Other and unspecified ovarian cyst D25.9 Leiomyoma of uterus, unspecified N76.0 Acute vaginitis (acute vulvovaginitis, vaginitis NOS, Vulvovaginitis NOS N83.20 Unspecified ovarian cyst N83.29 Other ovarian cysts Leukorrhea, not specified as infective Unspecified symptom associated with female genital organs Absence of menstruation N89.8 Other specified noninflammatory disorders of vagina N94.9 Unspecified condition associated with female genital organs and menstrual cycle. N91.0 Primary amenorrhea N91.1 Secondary amenorrhea N91.2 Amenorrhea, unspecified Excessive or frequent menstruation N92.0 Excessive and frequent menstruation with regular cycle N92.1 Excessive and frequent menstruation with irregular cycle N92.2 Excessive menstruation at puberty N92.3 Ovulation bleeding N92.4 Excessive bleeding in the premenopausal bleeding N92.5 Other specified irregular menstruation Irregular menstrual cycle N92.6 Postcoital bleeding N93.0 Irregular menstruation, unspecified Other disorders of menstruation and other abnormal bleeding from female genital tract Missed abortion N89.7 Hematocolpos N92.5 Other specified irregular menstruation N93.8 Other specified abnormal uterine and vaginal bleeding O02.1 O00.9 Missed abortion Ectopic pregnancy, unspecified O60.00 Preterm labor without delivery, unspecified O60.02 Preterm labor without delivery, second trimester O60.03 Preterm labor without delivery, third trimester O47.02 O47.1 False labor before 37 completed weeks of gestation, second trimester False labor before 37 completed weeks of gestation, third trimester False labor at or after 37 completed weeks of gestation O23.01 Infections of kidney in pregnancy, first trimester Unspecified ectopic pregnancy w/o intrauterine pregnancy Threatened premature labor, antepartum Other threatened labor, antepartum Infections of GU tract antepartum O47.03 Postcoital and contact bleeding Page 1 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 646.63 ICD-9 Diagnosis Description Infections of GU tract antepartum ICD-10 Diagnosis Code ICD-10 Diagnosis Description O23.02 Infections of kidney in pregnancy, second trimester O23.03 Infections of kidney in pregnancy, third trimester O23.11 Infections of bladder in pregnancy, first trimester O23.12 Infections of bladder in pregnancy, second trimester O23.13 Infections of bladder in pregnancy, third trimester O23.21 Infections of urethra in pregnancy, first trimester O23.22 Infections of urethra in pregnancy, second trimester O23.23 Infections of urethra in pregnancy, third trimester O23.31 O23.511 Infections of other parts of urinary tract in pregnancy, first trimester Infections of other parts of urinary tract in pregnancy, second trimester Infections of other parts of urinary tract in pregnancy, third trimester Unspecified infections of urinary tract in pregnancy, first trimester Unspecified infections of urinary tract in pregnancy, second trimester Unspecified infections of urinary tract in pregnancy, third trimester Infections of cervix in pregnancy, first trimester O23.512 Infections of cervix in pregnancy, second trimester O23.513 Infections of cervix in pregnancy, third trimester O23.521 Salpingo-oophoritis in pregnancy, first trimester O23.522 Salpingo-oophoritis in pregnancy, second trimester O23.523 Salpingo-oophoritis in pregnancy, third trimester O23.591 Infection of other part of genital tract in pregnancy, first trimester Infection of other part of genital tract in pregnancy, second trimester Infection of other part of genital tract in pregnancy, third trimester Unspecified genitourinary tract infection in pregnancy, first trimester Unspecified genitourinary tract infection in pregnancy, second trimester Unspecified genitourinary tract infection in pregnancy, third trimester Low weight gain in pregnancy, unspecified trimester O23.32 O23.33 O23.41 O23.42 O23.43 O23.592 O23.593 O23.91 O23.92 646.63 O23.93 646.80 Other specified complication of pregnancy, unspecified as to episode of care O26.10 O26.30 O26.40 O26.719 Retained intrauterine contraceptive device in pregnancy, unspecified trimester Herpes gestationis, unspecified trimester Subluxation of symphysis (pubis) in pregnancy, unspecified trimester Page 2 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 646.80 ICD-9 Diagnosis Description Other specified complication of pregnancy, unspecified as to episode of care ICD-10 Diagnosis Code O26.819 Pregnancy related exhaustion and fatigue, unspecified trimester O26.899 O26.11 Other specified pregnancy related conditions, unspecified trimester Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester Other pulmonary complications of anesthesia during pregnancy, unspecified trimester Cardiac arrest due to anesthesia during pregnancy, unspecified trimester Cardiac failure due to anesthesia during pregnancy, unspecified trimester Other cardiac complications of anesthesia during pregnancy, unspecified trimester Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester Other central nervous system complications of anesthesia during pregnancy, unspecified trimester Toxic reaction to local anesthesia during pregnancy, unspecified trimester Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester Other complications of anesthesia during pregnancy, unspecified trimester Unspecified complication of anesthesia during pregnancy, unspecified trimester Diseases of the nervous system complicating pregnancy, unspecified trimester Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium Low weight gain in pregnancy, first trimester O26.12 Low weight gain in pregnancy, second trimester O26.13 Low weight gain in pregnancy, third trimester O26.31 Retained intrauterine contraceptive device in pregnancy, first trimester Retained intrauterine contraceptive device in pregnancy, second trimester Retained intrauterine contraceptive device in pregnancy, third trimester O29.019 O29.029 O29.099 O29.119 O29.129 O29.199 O29.219 O29.299 O29.3X9 O29.40 O29.5X9 O29.60 O29.8X9 O29.90 O99.350 O99.89 646.83 Other specified complication, antepartum ICD-10 Diagnosis Description O26.32 O26.33 Page 3 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 646.83 ICD-9 Diagnosis Description Other specified complication, antepartum ICD-10 Diagnosis Code ICD-10 Diagnosis Description O26.41 Herpes gestationis, first trimester O26.42 Herpes gestationis, second trimester O26.43 Herpes gestationis, third trimester O26.711 Subluxation of symphysis (pubis) in pregnancy, first trimester Subluxation of symphysis (pubis) in pregnancy, second trimester Subluxation of symphysis (pubis) in pregnancy, third trimester Pregnancy related exhaustion and fatigue, first trimester O26.712 O26.713 O26.811 O26.812 O26.813 O26.86 O26.891 O26.892 O26.893 O26.91 O26.92 O26.93 O29.011 O29.012 O29.013 O29.021 O29.022 O29.023 O29.091 O29.092 O29.093 O29.111 Pregnancy related exhaustion and fatigue, second trimester Pregnancy related exhaustion and fatigue, third trimester Pruritic urticarial papules and plaques of pregnancy (PUPPP) Other specified pregnancy related conditions, first trimester Other specified pregnancy related conditions, second trimester Other specified pregnancy related conditions, third trimester Pregnancy related conditions, unspecified, first trimester Pregnancy related conditions, unspecified, second trimester Pregnancy related conditions, unspecified, third trimester Aspiration pneumonitis due to anesthesia during pregnancy, first trimester Aspiration pneumonitis due to anesthesia during pregnancy, second trimester Aspiration pneumonitis due to anesthesia during pregnancy, third trimester Pressure collapse of lung due to anesthesia during pregnancy, first trimester Pressure collapse of lung due to anesthesia during pregnancy, second trimester Pressure collapse of lung due to anesthesia during pregnancy, third trimester Other pulmonary complications of anesthesia during pregnancy, first trimester Other pulmonary complications of anesthesia during pregnancy, first trimester Other pulmonary complications of anesthesia during pregnancy, first trimester Cardiac arrest due to anesthesia during pregnancy, first trimester Page 4 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 646.83 ICD-9 Diagnosis Description Other specified complication, antepartum ICD-10 Diagnosis Code O29.112 O29.113 O29.121 O29.122 O29.123 O29.191 O29.192 O29.193 O29.211 O29.212 O29.213 O29.291 O29.292 O29.293 O29.3X1 O29.3X2 O29.3X3 O29.41 O29.42 O29.43 O29.5X1 O29.5X2 O29.5X3 O29.61 O29.62 ICD-10 Diagnosis Description Cardiac arrest due to anesthesia during pregnancy, second trimester Cardiac arrest due to anesthesia during pregnancy, third trimester Cardiac failure due to anesthesia during pregnancy, first trimester Cardiac failure due to anesthesia during pregnancy, second trimester Cardiac failure due to anesthesia during pregnancy, third trimester Other cardiac complications of anesthesia during pregnancy, first trimester Other cardiac complications of anesthesia during pregnancy, second trimester Other cardiac complications of anesthesia during pregnancy, third trimester Cerebral anoxia due to anesthesia during pregnancy, first trimester Cerebral anoxia due to anesthesia during pregnancy, second trimester Cerebral anoxia due to anesthesia during pregnancy, third trimester Other central nervous system complications of anesthesia during pregnancy, first trimester Other central nervous system complications of anesthesia during pregnancy, second trimester Other central nervous system complications of anesthesia during pregnancy, third trimester Toxic reaction to local anesthesia during pregnancy, first trimester Toxic reaction to local anesthesia during pregnancy, second trimester Toxic reaction to local anesthesia during pregnancy, third trimester Spinal and epidural anesthesia induced headache during pregnancy, first trimester Spinal and epidural anesthesia induced headache during pregnancy, second trimester Spinal and epidural anesthesia induced headache during pregnancy, third trimester Other complications of spinal and epidural anesthesia during pregnancy, first trimester Other complications of spinal and epidural anesthesia during pregnancy, second trimester Other complications of spinal and epidural anesthesia during pregnancy, third trimester Failed or difficult intubation for anesthesia during pregnancy, first trimester Failed or difficult intubation for anesthesia during pregnancy, second trimester Page 5 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code 646.83 ICD-9 Diagnosis Description Other specified complication, antepartum ICD-10 Diagnosis Code O29.63 ICD-10 Diagnosis Description 650 Normal delivery O80 Failed or difficult intubation for anesthesia during pregnancy, third trimester Other complications of anesthesia during pregnancy, first trimester Other complications of anesthesia during pregnancy, second trimester Other complications of anesthesia during pregnancy, third trimester Unspecified complication of anesthesia during pregnancy, first trimester Unspecified complication of anesthesia during pregnancy, second trimester Unspecified complication of anesthesia during pregnancy, third trimester Diseases of the nervous system complicating pregnancy, first trimester Diseases of the nervous system complicating pregnancy, second trimester Diseases of the nervous system complicating pregnancy, third trimester Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium Encounter for full-term uncomplicated delivery 654.21 Previous C-Section, delivered, with or w/o mention of antepartum condition Supervision of normal first pregnancy O34.21 Maternal care for scar from previous cesarean delivery Z34.00 Z39.2 Encounter for supervision of normal first pregnancy, unspecified trimester Encounter for supervision of normal first pregnancy, first trimester Encounter for supervision of normal first pregnancy, second trimester Encounter for supervision of normal first pregnancy, third trimester Encounter for supervision of other normal pregnancy, unspecified trimester Encounter for supervision of other normal pregnancy, first trimester Encounter for supervision of other normal pregnancy, second trimester Encounter for supervision of other normal pregnancy, third trimester Encounter for routine postpartum follow-up Z30.018 Encounter for initial prescription of other contraceptives Z30.430 Encounter for insertion of intrauterine contraceptive device O29.8X1 O29.8X2 O29.8X3 O29.91 O29.92 O29.93 O99.351 O99.352 O99.353 O99.89 V22.0 Z34.01 Z34.02 Z34.03 V22.1 Supervision of other normal pregnancy Z34.80 Z34.81 Z34.82 Z34.83 V24.2 V25.02 V25.11 Routine postpartum follow-up General counseling on initiation of other contraceptive measures INSERTION OF IUD Page 6 of 7 OB GYN Top Diagnosis Codes (Crosswalk) ICD-9 Diagnosis Code V25.49 V28.3 V28.9 V67.00 V72.31 V72.41 V72.42 V76.2 ICD-9 Diagnosis Description ICD-10 Diagnosis Code ICD-10 Diagnosis Description Surveillance of other contraceptive method Antenatal screening for malformation using ultrasonics Unspecified antenatal screening Follow-up examination, following unspecified surgery Routine gynecological examination Z30.49 Encounter for surveillance or other contraceptives Z36 Encounter for antenatal screening of mother (Ultrasonics is not mentioned in the code description unless an abnormal finding is noted) Encounter for antenatal screening of mother Pregnancy examination or test, negative result Pregnancy examination or test, positive result Screening for malignant neoplasms of the cervix Z36 Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm Z01.411 Z32.02 Encounter for gynecological examination (general) (routine) with abnormal findings Encounter for gynecological examination (general) (routine) without abnormal findings Encounter for pregnancy test, result negative Z32.01 Encounter for pregnancy test, result positive Z12.4 Encounter for screening for malignant neoplasm of cervix Z01.419 Page 7 of 7