Haem-containing oxygen-binding protein from muscle. Earliest to rise after myocardial infarction or rhabdomyolysis but not cardiac-specific. Freely filtered in urine.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | < 90 | Adult serum; urine positive if haem dipstick positive with no red cells |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.