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ICD-9-CM
11. COMPLICATIONS OF PREGNANCY, CHILDBIRTH, AND THE PUERPERIUM (630-679)
COMPLICATIONS OCCURRING MAINLY IN THE COURSE OF LABOR AND DELIVERY (660-669)
661 Abnormality of forces of labor
661 Abnormality of forces of labor
661.0 Primary uterine inertia Failure of cervical dilation Prolonged latent phase of labor Hypotonic uterine dysfunction, primary
661.00-661.03
661.1 Secondary uterine inertia Arrested active phase of labor Hypotonic uterine dysfunction, secondary
661.10-661.13
661.2 Other and unspecified uterine inertia
661.20-661.23
661.3 Precipitate labor
661.30-661.33
661.4 Hypertonic, incoordinate, or prolonged uterine contractions
661.40-661.43
661.9 Unspecified abnormality of labor
661.90-661.93