We use privacy-friendly analytics — Plausible (cookieless) and Microsoft Clarity, which uses cookies for anonymized heatmaps and session insights — plus advertising tags (LinkedIn Insight Tag and Google Ads) to measure our advertising and show relevant Sydra ads. We never sell your data. See our Cookie Policy and Privacy Policy.
Federal IDR by specialty
Radiology: out-of-network denials and recovery
CT, MRI, and ultrasound interpretations read by hospital-based radiologists who are frequently out of network even at an in-network facility, and protected under the No Surprises Act.
10 disputed radiology codes
CT scan of the head, without contrast
CPT 70450 · head
CT scan of the head, with contrast
CPT 70460 · head
MRI of the brain, without contrast
CPT 70551 · brain
MRI of the cervical spine, without contrast
CPT 72141 · cervical spine
MRI of the lumbar spine, without contrast
CPT 72148 · lumbar spine
CT scan of the chest, with contrast
CPT 71260 · chest
CT scan of the abdomen and pelvis, with contrast
CPT 74177 · abdomen and pelvis
CT scan of the abdomen and pelvis, without contrast
CPT 74176 · abdomen and pelvis
MRI of a lower-extremity joint, without contrast
CPT 73721 · lower extremity
Complete ultrasound of the abdomen
CPT 76700 · abdomen
Radiology denials by state
Medically & clinically reviewed by Dr. John M. Abrahams, MD
Board-certified neurosurgeon and founder of Sydra · Last reviewed September 2026 · About the author
Sources
Figures reflect the published federal record across all disputes, not a prediction about any individual claim. This is general information, not legal or financial advice.