O62.9 Abnormality of forces of labor, unspecified

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)

• 661.91 Unspecified abnormality of 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.

Diagnosis Index entries for O62.9

• Contraction (s), contracture, contracted › uterus › abnormal NEC
• Delivery (childbirth) (labor) › complicated › by › abnormal, abnormality (of) › forces of labor
• Delivery (childbirth) (labor) › complicated › by › abnormal, abnormality (of) › uterine contractions NOS
• Delivery (childbirth) (labor) › complicated › by › dysfunction, uterus NOS
• Dysfunction › uterus, complicating delivery

Nearby codes

• O62.1 Secondary uterine inertia
• O62.2 Other uterine inertia
• O62.3 Precipitate labor
• O62.4 Hypertonic, incoordinate, and prolonged uterine contractions
• O62.8 Other abnormalities of forces of labor
• O62.9 Abnormality of forces of labor, unspecified (this code)