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Federal IDR by specialty
Cranial, vascular, functional, and peripheral nerve procedure codes where federal IDR awards routinely exceed the insurer qualifying payment amount.
Craniotomy for brain tumor removal, supratentorial
CPT 61510 · brain
Craniotomy for meningioma removal, supratentorial
CPT 61512 · brain
Craniotomy for brain tumor removal, infratentorial
CPT 61518 · brain
Exploratory craniotomy, supratentorial
CPT 61304 · brain
Stereotactic navigation, cranial, intradural
CPT 61781 · add-on · brain
Ventriculoperitoneal shunt placement
CPT 62223 · brain
Burr hole with hematoma evacuation
CPT 61154 · brain
Operating microscope use
HCPCS 69990 · add-on · n/a
Carpal tunnel release
CPT 64721 · wrist
Ulnar nerve release at the elbow
CPT 64718 · elbow
Ulnar nerve release at the wrist
CPT 64719 · wrist
Peripheral nerve decompression, arm or leg
CPT 64708 · extremity
Craniectomy for skull tumor or lesion
CPT 61500 · skull
Surgery for complex intracranial aneurysm
CPT 61697 · brain
Surgery for simple intracranial aneurysm
CPT 61700 · brain
Deep brain stimulator electrode placement
CPT 61867 · brain
Cranial neurostimulator generator placement
CPT 61885 · brain
Shunt revision or replacement
CPT 62230 · brain
Endoscopic third ventriculostomy
CPT 62201 · brain
Sciatic nerve decompression
CPT 64712 · leg
Brachial plexus decompression
CPT 64713 · shoulder/arm
Major nerve repair, arm or leg
CPT 64856 · extremity
Nerve repair with graft
CPT 64910 · extremity
Nerve decompression, hand or foot
CPT 64704 · hand/foot
Decompressive craniectomy with lobectomy
CPT 61322 · brain
Neuroendoscopic excision of brain tumor
CPT 62164 · brain
Internal neurolysis with nerve microdissection
CPT 64727 · add-on · varies
Medically & clinically reviewed by Dr. John M. Abrahams, MD
Board-certified neurosurgeon and founder of Sydra · Last reviewed September 2026 · About the author
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.