Aches and pains, back ache, fatigue, blood test neutrophils 37.7% 1.70 potassium 5.6, (5.1) ldh 299 (225) and ck 392 (204), vit d 31 (50 - 200). what kinds of conditions could this indicate?

Not enough medical information for a thorough different diagnosis. We need your medical history, current medication list, total white cell count and full differential counts, complete chemistry results especially liver function test result. These results indicate a serious condition but all I can say is blood dyscrasia, lymphoma or rhabdomyolysis should be included in the differential diagnosis.