O65.4 Obstructed labor due to fetopelvic disproportion, unspecified

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• dystocia due to abnormality of fetus (O66.2-O66.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 653.41 Fetopelvic disproportion, 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 O65.4

Back-references to O65

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

Diagnosis Index entries for O65.4

• Delivery (childbirth) (labor) › complicated › by › obstructed labor › due to › fetopelvic disproportion

Nearby codes

• O65 Obstructed labor due to maternal pelvic abnormality
• 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 (this code)
• O65.5 Obstructed labor due to abnormality of maternal pelvic organs
• O65.8 Obstructed labor due to other maternal pelvic abnormalities
• O65.9 Obstructed labor due to maternal pelvic abnormality, unspecified