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O62

Abnormalities of forces of labor

O62.0

Primary inadequate contractions

• Failure of cervical dilatation
• Primary hypotonic uterine dysfunction
• Uterine inertia during latent phase of labor

O62.1

Secondary uterine inertia

• Arrested active phase of labor
• Secondary hypotonic uterine dysfunction

O62.2

Other uterine inertia

• atony of uterus with hemorrhage (postpartum) (O72.1)
• postpartum atony of uterus without hemorrhage (O75.89)

• Atony of uterus without hemorrhage
• Atony of uterus NOS
• Desultory labor
• Hypotonic uterine dysfunction NOS
• Irregular labor
• Poor contractions
• Slow slope active phase of labor
• Uterine inertia NOS

O62.3

Precipitate labor

O62.4

Hypertonic, incoordinate, and prolonged uterine contractions

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

• 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

O62.8

Other abnormalities of forces of labor

O62.9

Abnormality of forces of labor, unspecified