O62.4 Hypertonic, incoordinate, and prolonged uterine contractions

Billable ICD-10-CM code, FY2026.

Applicable to

• Cervical spasm
• Contraction ring dystocia
• Dyscoordinate labor
• Hour-glass contraction of uterus
• Hypertonic uterine dysfunction
• Incoordinate uterine action
• Tetanic contractions
• Uterine dystocia NOS
• Uterine spasm

Excludes1 (never code together)

• dystocia (fetal) (maternal) NOS (O66.9)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 661.41 Hypertonic, incoordinate, or prolonged uterine contractions, 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 O62.4

• Bandl's ring (contraction), complicating delivery
• Constriction › ring dystocia (uterus)
• Contraction (s), contracture, contracted › hourglass › uterus (complicating delivery)
• Contraction (s), contracture, contracted › ring (Bandl's) (complicating delivery)
• Contraction (s), contracture, contracted › uterus › clonic (complicating delivery)
• Contraction (s), contracture, contracted › uterus › dyscoordinate (complicating delivery)
• Contraction (s), contracture, contracted › uterus › hourglass (complicating delivery)
• Contraction (s), contracture, contracted › uterus › hypertonic
• Contraction (s), contracture, contracted › uterus › incoordinate (complicating delivery)
• Contraction (s), contracture, contracted › uterus › tetanic (complicating delivery)
• Delivery (childbirth) (labor) › cesarean (for) › incoordinate uterine action
• Delivery (childbirth) (labor) › complicated › by › Bandl's ring
• Delivery (childbirth) (labor) › complicated › by › contraction, contracted ring
• Delivery (childbirth) (labor) › complicated › by › dysfunction, uterus NOS › hypertonic
• Delivery (childbirth) (labor) › complicated › by › dysfunction, uterus NOS › incoordinate
• Delivery (childbirth) (labor) › complicated › by › hourglass contraction, uterus
• Delivery (childbirth) (labor) › complicated › by › incoordinate uterus contractions
• Delivery (childbirth) (labor) › complicated › by › pathological retraction ring, uterus
• Delivery (childbirth) (labor) › complicated › by › spasm, cervix
• Delivery (childbirth) (labor) › complicated › by › tetanic uterus
• Dysfunction › uterus, complicating delivery › hypertonic
• Dystocia › contraction ring
• Dystocia › uterine NEC
• Hypertony, hypertonia, hypertonicity › uterus, uterine (contractions) (complicating delivery)
• Incoordinate, incoordination › uterus (action) (contractions) (complicating delivery)
• Prolonged, prolongation (of) › uterine contractions in labor
• Retraction › ring, uterus (Bandl's) (pathological)
• Ring (s) › Bandl's
• Ring (s) › contraction, complicating delivery
• Ring (s) › retraction, uterus, pathological
• Spasm (s), spastic, spasticity › cervix, complicating delivery
• Spasm (s), spastic, spasticity › uterus › complicating labor

Nearby codes

• O62 Abnormalities of forces of labor
• O62.0 Primary inadequate contractions
• O62.1 Secondary uterine inertia
• O62.2 Other uterine inertia
• O62.3 Precipitate labor
• O62.4 Hypertonic, incoordinate, and prolonged uterine contractions (this code)
• O62.8 Other abnormalities of forces of labor
• O62.9 Abnormality of forces of labor, unspecified