O62 Abnormalities of forces of laborNon-billable header with 7 child codes.
O62.0 Primary inadequate contractionsO62.1 Secondary uterine inertiaO62.2 Other uterine inertiaO62.3 Precipitate laborO62.4 Hypertonic, incoordinate, and prolonged uterine contractionsO62.8 Other abnormalities of forces of laborO62.9 Abnormality of forces of labor, unspecified