O65.0 Obstructed labor due to deformed pelvis

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 653.01 Major abnormality of bony pelvis, not further specified, delivered, with or without mention of antepartum condition (approximate)
• 660.11 Obstruction by bony pelvis 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 O65.0

Back-references to O65

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

Diagnosis Index entries for O65.0

• Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic) › pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Deformity › pelvis, pelvic (acquired) (bony) › with disproportion (fetopelvic) › causing obstructed labor
• Delivery (childbirth) (labor) › cesarean (for) › abnormal › pelvis (bony) (deformity) (major) NEC with disproportion (fetopelvic) › with obstructed labor
• Delivery (childbirth) (labor) › complicated › by › obstructed labor › due to › deformed pelvis
• Distortion (s) (congenital) › lumbar spine › with disproportion › causing obstructed labor
• Flat › pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Nägele's pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Pithecoid pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Platypelloid pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Prominence, prominent › ischial spine or sacral promontory with disproportion (fetopelvic) › causing obstructed labor
• Rachitic › pelvis (late effect) (sequelae) › with disproportion (fetopelvic) › causing obstructed labor
• Robert's pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Scoliotic pelvis › with disproportion (fetopelvic) › causing obstructed labor
• Spondylolisthesis (acquired) (degenerative) › with disproportion (fetopelvic) › causing obstructed labor
• Spondylosis › with › disproportion (fetopelvic) › causing obstructed labor
• Tipping › pelvis › with disproportion (fetopelvic) › causing obstructed labor

Nearby codes

• O65 Obstructed labor due to maternal pelvic abnormality
• O65.0 Obstructed labor due to deformed pelvis (this code)
• 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