LDH level can be elevated in many conditions, not just metastatic melanoma. Higher-than-normal levels may also indicate: Falsely elevated results can happen if the blood specimen was handled ...

Between 5 and 40 U/L LDH: Between 125 and 220 U/L The high end of the reference range is referred to as the upper limit of normal (ULN). Elevated levels of certain liver enzymes can indicate liver ...