Substance P
Substance P
High
225.6pg·mL⁻¹Ref 30–200 pg·mL⁻¹
Z +2.60↑ Bad

The card shows an example result of 225.6 pg·mL⁻¹, which is 2.60 SD above the mean.

What it measures

Substance P is a neuropeptide released by sensory nerves. It passes on pain signals and triggers local inflammation.

Reference range

FieldValue
AbbreviationSubstance P
GroupNerve and blood vessel
Unitpg·mL⁻¹
Healthy range30–200
Mean115
SD42.5
Direction↑ Bad — a raised value is the concern.

The mean is (low + high) / 2 and the SD is (high − low) / 4, so the healthy range covers Z from −2 to +2.

Reading the result

  • High — Linked to chronic pain, inflammation, and stress.
  • Low — Not a concern.

Notes

  • It breaks down quickly once drawn, so samples need special handling.
  • This page is general information, not medical advice. Discuss results with a clinician.