Read Your Scan

Pfirrmann grade

Read Your Scan Editorial Team·Last updated

Written from published radiology references and reviewed for plain language. Not written or signed by a physician, and not a diagnosis. How we write these pages

In plain language

A 1-to-5 grading of how worn a spinal disc looks on MRI, based on how bright and how tall it is. It grades the picture of the disc, and a high grade is common with age — it does not by itself measure pain.

Where you’ll see this

The findings of a spine MRI report, disc by disc.

Your report may word it Pfirrmann classification or Disc degeneration grade. These mean the same thing.

Questions worth asking your doctor

  • What category did I get, and what does that category normally lead to?
  • What is the recommended next step for this category — waiting, another scan, or a biopsy?
  • Who decides the timing, and what should I do if my symptoms change before then?

Standard scoring systems

Where this word comes up

See this word on your own scan

Upload your scan (de-identified in your browser) and your radiologist’s report, and every finding is mapped onto the images, explained in plain language and scored. Informational only — not a diagnosis.

Read Your Scan is informational only — not a medical diagnosis, and not a substitute for a licensed radiologist or your doctor. If you have urgent symptoms, seek care.