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Diagnose codes
| Diagnose code | Text | ICD revision | Year |
|---|---|---|---|
| 657.0, 657.1 | Prolonged labour, primary and secondary | ICD-8 | 1973-1986 |
| 661A-C, 662A-C | Primary and secondary dystocia | ICD-9 | 1987-1996 |
| O62.0-1, O63.0-1 | Primary and secondary dystocia | ICD-10 | 1996- |
