Pro-hormone of calcitonin; markedly elevated in bacterial sepsis and systemic bacterial infection. Less elevated in viral infections and non-infectious inflammatory conditions. Used for antibiotic stewardship.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | < 0.25 | Normal <0.25; low-risk sepsis 0.25–0.5; probable sepsis 0.5–2.0; high risk sepsis/septic shock >2.0; fulminant sepsis >10 |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.