Inflammation tests

Get to know C-reactive protein and the difference between CRP and hs-CRP.

Explore inflammation

CRP and hs-CRP: two tests for one protein, used for different things

C-reactive protein rises with inflammation from any source. The high-sensitivity version measures the same protein at much smaller amounts, and the two are not interchangeable on a report.

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Test explainer

C-Reactive Protein

Reported in mg/dL · mg/L.

Reading the report

Guide

What the H and L flags on a lab report actually assert

A flag compares your number to the range printed beside it on that page — nothing more. What it does not tell you, and why healthy people collect them.

Guide

Why the same blood test has different "normal" ranges at different labs

Reference intervals are built from each lab's own population and equipment, which is why two labs can print different ranges for the same sample.

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