O71.02 Rupture of uterus before onset of labor, second trimester

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from O71 Other obstetric trauma

Includes

• obstetric damage from instruments

Applies from O71.0 Rupture of uterus (spontaneous) before onset of labor

Excludes1 (never code together)

• disruption of (current) cesarean delivery wound (O90.0)
• laceration of uterus, NEC (O71.81)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 665.01 Rupture of uterus before onset of labor, delivered, with or without mention of antepartum condition (approximate)
• 665.03 Rupture of uterus before onset of labor, antepartum 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 O71.02

Back-references to O71.0

• Code First: O66.41 Failed attempted vaginal birth after previous cesarean delivery ("rupture of uterus, if applicable (O71.0-, O71.1)")
• Type 1 Excludes: O90.0 Disruption of cesarean delivery wound ("rupture of uterus (spontaneous) before onset of labor (O71.0-)")

Back-references to O71

• Type 1 Excludes: S37 Injury of urinary and pelvic organs ("obstetric trauma to pelvic organs (O71.-)")
• Type 1 Excludes: S37.6 Injury of uterus ("injury to uterus during delivery (O71.-)")

Nearby codes

• O71 Other obstetric trauma
• O71.0 Rupture of uterus (spontaneous) before onset of labor
• O71.00 Rupture of uterus before onset of labor, unspecified trimester
• O71.02 Rupture of uterus before onset of labor, second trimester (this code)
• O71.03 Rupture of uterus before onset of labor, third trimester
• O71.1 Rupture of uterus during labor
• O71.2 Postpartum inversion of uterus
• O71.3 Obstetric laceration of cervix
• O71.4 Obstetric high vaginal laceration alone