The Same Number, Opposite Meanings: How to Read the CIRS Lab Panel

The classic mold-illness lab panel has about eight markers. The standard habit is to count how many are abnormal and call the total “inflammation.” That habit misreads the panel — because the markers were never measuring one thing.

Three biologies, three clocks

The markers report three different processes on three different timelines: an alarm phase (proteases and complement fragments), a rebuild phase (growth factors), and a stand-down phase (calming neuropeptides). Summing them is a category error.

Counting them together as “inflammation” treats an alarm bell, a construction crew, and an all-clear siren as if they were the same instrument. — Andrew Heyman, MD

The same number, opposite meanings

Take TGF-β1. It can signal healthy repair — or stuck, scar-forming overdrive. The number alone cannot tell you which; only the alarm markers around it can, because the alarm machinery physically activates TGF-β1. Read in isolation it is ambiguous; read in sequence it is informative.

Why order changes the reading

Because recovery runs in phases, the markers are conditionally dependent — an active alarm contaminates every repair-phase reading downstream of it. So the panel has to be read as a staging instrument, not a scorecard.

Don’t score a recovery marker as valid until the alarm tier is quiescent. — Andrew Heyman, MD

The takeaway

If your panel has been “totaled up,” it may have been misread. The right question is not how many markers are abnormal — it is which phase you are in, established by reading the alarm markers first and everything else in light of them.