This is the official approximate correspondence between ICD9 and ICD-10 as provided by the General Equivalence Mapping Pedestrian Crossing. This means that although there is no exact mapping between this ICD10 code O62.0 and a single ICD code9, 661.01 is an approximate match for comparison and conversion purposes. O62.0 is a billable ICD code used to specify a diagnosis of inadequate primary contractions. A «billable code» is detailed enough to specify a medical diagnosis. Parent code: O62 — Working anomalies….