661 Abnormality of forces of labor 
661.0 Primary uterine inertia 
661.00 Primary uterine inertia, unspecified as to episode of care or not applicable convert 661.00 to ICD-10-CM- 661.01 Primary uterine inertia, delivered, with or without mention of antepartum condition convert 661.01 to ICD-10-CM
661.03 Primary uterine inertia, antepartum condition or complication convert 661.03 to ICD-10-CM- 661.1 Secondary uterine inertia
- 661.10 Secondary uterine inertia, unspecified as to episode of care or not applicable convert 661.10 to ICD-10-CM
- 661.11 Secondary uterine inertia, delivered, with or without mention of antepartum condition convert 661.11 to ICD-10-CM
- 661.13 Secondary uterine inertia, antepartum condition or complication convert 661.13 to ICD-10-CM
- 661.2 Other and unspecified uterine inertia
- 661.20 Other and unspecified uterine inertia, unspecified as to episode of care or not applicable convert 661.20 to ICD-10-CM
- 661.21 Other and unspecified uterine inertia, delivered, with or without mention of antepartum condition convert 661.21 to ICD-10-CM
- 661.23 Other and unspecified uterine inertia, antepartum condition or complication convert 661.23 to ICD-10-CM
- 661.3 Precipitate labor
- 661.30 Precipitate labor, unspecified as to episode of care or not applicable convert 661.30 to ICD-10-CM
- 661.31 Precipitate labor, delivered, with or without mention of antepartum condition convert 661.31 to ICD-10-CM
- 661.33 Precipitate labor, antepartum condition or complication convert 661.33 to ICD-10-CM
- 661.4 Hypertonic incoordinate or prolonged uterine contractions
- 661.40 Hypertonic, incoordinate, or prolonged uterine contractions, unspecified as to episode of care or not applicable convert 661.40 to ICD-10-CM
- 661.41 Hypertonic, incoordinate, or prolonged uterine contractions, delivered, with or without mention of antepartum condition convert 661.41 to ICD-10-CM
- 661.43 Hypertonic, incoordinate, or prolonged uterine contractions, antepartum condition or complication convert 661.43 to ICD-10-CM
- 661.9 Unspecified abnormality of labor
661.90 Unspecified abnormality of labor, unspecified as to episode of care or not applicable convert 661.90 to ICD-10-CM- 661.91 Unspecified abnormality of labor, delivered, with or without mention of antepartum condition convert 661.91 to ICD-10-CM
- 661.93 Unspecified abnormality of labor, antepartum condition or complication convert 661.93 to ICD-10-CM
