| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(M545) | Low back pain. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 47551 | |
| OUTPAT | OUTPAT_ICD10(M545) | Low back pain | 22856 | |
| INPAT | INPAT_ICD10(M545) | Low back pain | 4722 | |
| INPAT | INPAT_ICD8(72870) | Vertebrogenic pain syndrome, Lumbalgia | 1273 | |
| INPAT | INPAT_ICD9(7242A) | Lumbago | 413 |