O65.5 Obstructed labor due to abnormality of maternal pelvic organs

Billable ICD-10-CM code, FY2026.

Applicable to

• Obstructed labor due to conditions listed in O34.-

Use additional code

• code to identify abnormality of pelvic organs O34.-

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 660.21 Obstruction by abnormal pelvic soft tissues during labor, delivered, with or without mention of antepartum condition (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 O65.5

Back-references to O65.5

• Type 1 Excludes: N85.4 Malposition of uterus ("malposition of uterus complicating pregnancy, labor or delivery (O34.5-, O65.5)")
• Type 1 Excludes: N88.2 Stricture and stenosis of cervix uteri ("stricture and stenosis of cervix uteri complicating labor (O65.5)")
• Code First: O34 Maternal care for abnormality of pelvic organs ("any associated obstructed labor (O65.5)")

Back-references to O65

• Type 1 Excludes: O33 Maternal care for disproportion ("disproportion with obstructed labor (O65-O66)")

Diagnosis Index entries for O65.5

• Atresia, atretic › cervix (acquired) › in pregnancy or childbirth › causing obstructed labor
• Bicornate or bicornis uterus › in pregnancy or childbirth › causing obstructed labor
• Cyst (colloid) (mucous) (simple) (retention) › ovary, ovarian (twisted) › in pregnancy or childbirth › with obstructed labor
• Cyst (colloid) (mucous) (simple) (retention) › pelvis, female › in pregnancy or childbirth › causing obstructed labor
• Cystocele (-urethrocele) › in pregnancy or childbirth › causing obstructed labor
• Deformity › soft parts, organs or tissues (of pelvis) › in pregnancy or childbirth NEC › causing obstructed labor
• Delivery (childbirth) (labor) › cesarean (for) › polyp, cervix › causing obstructed labor
• Delivery (childbirth) (labor) › complicated › by › female genital mutilation
• Delivery (childbirth) (labor) › complicated › by › malposition, malpresentation › uterus or cervix
• Delivery (childbirth) (labor) › complicated › by › obstructed labor › due to › pelvic › abnormality (maternal) › organ
• Delivery (childbirth) (labor) › complicated › by › stenosis or stricture, cervix
• Delivery (childbirth) (labor) › complicated › by › tumor, pelvic organs or tissues NEC
• Double › uterus › in pregnancy or childbirth › causing obstructed labor
• Fibroid (tumor) › in pregnancy or childbirth › causing obstructed labor
• Fibromyoma › uterus (corpus) › in pregnancy or childbirth › causing obstructed labor
• Fibrosis, fibrotic › perineum, in pregnancy or childbirth › causing obstructed labor
• Incarceration, incarcerated › uterus › gravid › causing obstructed labor
• Malformation (congenital) › pelvic organs or tissues NEC › in pregnancy or childbirth › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abnormal, abnormality › cervix › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abnormal, abnormality › pelvic organs › specified NEC › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abnormal, abnormality › uterus › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abnormal, abnormality › vagina › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › abnormal, abnormality › vulva › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › displacement, uterus NEC › causing obstructed labor
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › double uterus › causing obstructed labor
• Prolapse, prolapsed › cervix, cervical (hypertrophied) › anterior lip, obstructing labor
• Septum, septate (congenital) › vagina › in pregnancy › causing obstructed labor
• Stenosis, stenotic (cicatricial) › vagina › in pregnancy › causing obstructed labor
• Stricture › cervix, cervical (canal) › in pregnancy › causing obstructed labor
• Tumor › vulva or perineum, in pregnancy or childbirth › causing obstructed labor

Nearby codes

• O65.0 Obstructed labor due to deformed pelvis
• O65.1 Obstructed labor due to generally contracted pelvis
• O65.2 Obstructed labor due to pelvic inlet contraction
• O65.3 Obstructed labor due to pelvic outlet and mid-cavity contraction
• O65.4 Obstructed labor due to fetopelvic disproportion, unspecified
• O65.5 Obstructed labor due to abnormality of maternal pelvic organs (this code)
• O65.8 Obstructed labor due to other maternal pelvic abnormalities
• O65.9 Obstructed labor due to maternal pelvic abnormality, unspecified