CPT 72100: X-Ray of Lower Spine, 2-3 Views (Lumbosacral)
Plain X-ray of the lower spine (lumbosacral), typically 2-3 views. It's the first-line imaging for low back pain.
Category: Imaging | Typical bill: $200 - $600
⚠️ Prior authorization: Rarely
🎯 Am I being overcharged?
Enter what your bill says for CPT 72100 and we'll flag it against a typical fair range for this service.
Why your X-Ray of Lower Spine, 2-3 Views (Lumbosacral) bill looks so high
Hospitals bill a "rack rate" that is often 2-10x higher than what Medicare pays or what insurers actually reimburse. The fair range for CPT 72100 is roughly $200 - $600 — but many facilities bill far beyond it.
Common reasons 72100 claims get denied
- Guideline-based denial — imaging not recommended in first weeks of uncomplicated low back pain. Most guidelines advise against early imaging for nonspecific back pain. If a red flag (trauma, neuro deficit) existed, document it.
Low back X-rays are often denied under imaging guidelines for uncomplicated back pain. Cite any 'red flag' symptoms in the appeal.
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