O34.63 Maternal care for abnormality of vagina, third trimester

Billable ICD-10-CM code, FY2026.

Applies from O34 Maternal care for abnormality of pelvic organs

Includes

• the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Code first

• any associated obstructed labor (O65.5)

Use additional code

• code for specific condition

Applies from O34.6 Maternal care for abnormality of vagina

Excludes2 (not included here)

• maternal care for vaginal varices in pregnancy (O22.1-)

MS-DRG index

Defines the logic of DRG(s) 817-819 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 654.71 Congenital or acquired abnormality of vagina, delivered, with or without mention of antepartum condition (approximate)
• 654.72 Congenital or acquired abnormality of vagina, delivered, with mention of postpartum complication (approximate)
• 654.73 Congenital or acquired abnormality of vagina, antepartum condition or complication (approximate)
• 654.74 Congenital or acquired abnormality of vagina, postpartum condition or complication (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O34.63

Back-references to O34

• Use Additional: O65.5 Obstructed labor due to abnormality of maternal pelvic organs ("code to identify abnormality of pelvic organs O34.-")
• Type 2 Excludes: O99.8 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium ("maternal care for known or suspected abnormality of maternal pelvic organs (O34.-)")

Nearby codes

• O34.599 Maternal care for other abnormalities of gravid uterus, unspecified trimester
• O34.6 Maternal care for abnormality of vagina
• O34.60 Maternal care for abnormality of vagina, unspecified trimester
• O34.61 Maternal care for abnormality of vagina, first trimester
• O34.62 Maternal care for abnormality of vagina, second trimester
• O34.63 Maternal care for abnormality of vagina, third trimester (this code)
• O34.7 Maternal care for abnormality of vulva and perineum
• O34.70 Maternal care for abnormality of vulva and perineum, unspecified trimester
• O34.71 Maternal care for abnormality of vulva and perineum, first trimester
• O34.72 Maternal care for abnormality of vulva and perineum, second trimester
• O34.73 Maternal care for abnormality of vulva and perineum, third trimester