Aetna · Clinical coverage policy

Aetna MRI and CT of the Spine coverage criteria

Aetna CPB 0236 covers MRI and CT of the spine as medically necessary for a defined list of indications — including spinal stenosis, suspected cord/cauda equina compression, congenital deformities, post-surgical recurrent symptoms, suspected tumor or infection, trauma, myelopathy, and radiculopathy with objective neurologic findings. The key gate is a conservative-therapy trial (6 weeks for radiculopathy, 4 weeks for spondylolisthesis/degenerative disease), which is waived for urgent or structural presentations such as cauda equina compression, rapidly progressing deficits, trauma, suspected tumor/infection, and severe back pain; routine imaging for acute low back pain and several novel techniques (BoneMRI synthetic CT, dynamic-kinetic MRI, dual-energy CT for vertebral fractures, routine MRI after normal cervical CT) are not covered.

Policy CPB 0236 · Effective · Verify against the current Aetna policy before submitting — view source policy.

Payer

Aetna

Policy

CPB 0236

Prior auth

Confirm

Effective

May 6, 1998

This page reflects the coverage criteria captured from Aetna policy CPB 0236 and may not include every criterion, exception, or code — verify the complete bulletin before submitting.

What this means for the claim

The covered path, the next step to get it approved, and the specific way it denies — built only from this policy.

When does Aetna cover MRI and CT of the Spine (CPT 72141), and what gets it denied?

Path
Aetna CPB 0236 covers MRI and CT of the spine as medically necessary for a defined list of indications — including spinal stenosis, suspected cord/cauda equina compression, congenital deformities, post-surgical recurrent symptoms, suspected tumor or infection, trauma, myelopathy, and radiculopathy with objective neurologic findings. The key gate is a conservative-therapy trial (6 weeks for radiculopathy, 4 weeks for spondylolisthesis/degenerative disease), which is waived for urgent or structural presentations such as cauda equina compression, rapidly progressing deficits, trauma, suspected tumor/infection, and severe back pain; routine imaging for acute low back pain and several novel techniques (BoneMRI synthetic CT, dynamic-kinetic MRI, dual-energy CT for vertebral fractures, routine MRI after normal cervical CT) are not covered. Coverage criteria include: MRI and CT of the spine are considered medically necessary when ANY ONE of the following criteria is met (the conservative-therapy trial is WAIVED for the urgent/structural indications noted, e.g., cord/cauda equina compression, rapidly progressing deficit or major motor weakness, severe back pain requiring hospitalization, trauma, suspected tumor/infection, transverse myelitis); Clinical evidence of spinal stenosis (MRI or CT equally appropriate); Clinical suspicion of spinal cord or cauda equina compression syndrome (no conservative-therapy trial required); Congenital anomalies or deformities of the spine; Diagnosis and evaluation of lumbar epidural lipomatosis; Evaluation of recurrent symptoms after spinal surgery (MRI with and without gadolinium enhancement is the preferred method); Evaluation prior to epidural injection (to rule out tumor/infection and delineate optimal anatomical location); Follow-up evaluation for spinal malignancy or spinal infection; Known or suspected myelopathy (e.g., multiple sclerosis) for initial diagnosis when brain MRI is negative or symptoms mimic other spinal/brainstem lesions; Known or suspected primary spinal cord tumors (malignant or non-malignant) — no conservative-therapy trial required; Persistent back or neck pain with radiculopathy (meet ALL: pain PLUS objective findings of motor or reflex changes in the specific nerve root distribution AND no improvement after 6 weeks of conservative therapy); Primary spinal bone tumors or suspected vertebral, paraspinal, or intraspinal metastases; Progressively severe symptoms despite conservative management; Rapidly progressing neurological deficit, or major motor weakness (no conservative-therapy trial required); Severe back pain (e.g., requiring hospitalization) — no conservative-therapy trial required; Spondylolisthesis and degenerative disease of the spine that has NOT responded to 4 weeks of conservative therapy; Suspected infectious process (osteomyelitis, epidural abscess of spine/soft tissue) — no conservative-therapy trial required; Suspected spinal cord injury secondary to trauma (no conservative-therapy trial required); Suspected spinal fracture and/or dislocation secondary to trauma (if plain films are not conclusive — CT preferred over MRI in this scenario; no conservative-therapy trial required); Suspected transverse myelitis (no conservative-therapy trial required); Conservative therapy is defined as: moderate activity, analgesics, non-steroidal anti-inflammatory drugs (NSAIDs), muscle relaxants; Modality note: MRI is the preferred imaging for medically necessary indications EXCEPT (ONE of): suspected spinal fracture/dislocation from trauma where plain films are inconclusive (CT preferred) OR signs/symptoms of spinal stenosis (MRI or CT equally appropriate). Applies to 18 codes: 72141, 72142, 72146, 72147, 72148, 72149, 72156, 72157, 72158, 72125, 72126, 72127, 72128, 72129, 72130, 72131, 72132, 72133.
Action
Confirm prior-authorization status with Aetna before scheduling — it is code- and plan-specific, and this policy is not an exact authorization source. Precertification may be required for select procedures and interventions. Use the CPT code search tool to see if precertification is required. Documentation: Clinical guidelines referenced by the policy indicate imaging is not indicated for non-specific low back pain without red flags within the first 6 weeks of symptoms; documentation should support either completion of the applicable conservative-therapy trial (6 weeks for radiculopathy; 4 weeks for spondylolisthesis/degenerative disease) OR the presence of red flags justifying earlier imaging; Red-flag findings that justify earlier imaging should be documented: severe or progressive neurological deficits, or suspected serious underlying conditions (e.g., osteomyelitis, malignancy).
Trap
Policy exclusions and limitations: MRI and CT of the spine are considered experimental, investigational, or unproven for all other indications not listed as medically necessary (because clinical value has not been established); BoneMRI (MRI-based synthetic CT) for pre-operative assessments and surgical planning of the spine/pelvis (experimental, investigational, or unproven); BoneMRI (MRI-based synthetic CT) for diagnosing or monitoring tumors, whether primary or metastatic (experimental, investigational, or unproven); Routine imaging for acute low back pain (not medically necessary; clinical guidelines recommend against routine imaging for acute low back pain); MRI for further evaluation of unstable injury in neurologically intact individuals with blunt trauma after a negative cervical spine CT (experimental, investigational, or unproven); Dynamic-kinetic MRI for evaluation of the cervical spine (effectiveness has not been established); Routine MRI after a normal CT of the cervical spine in obtunded or comatose individuals (clinical value has not been established); Dual-energy CT for evaluating bone marrow edema and fracture lines in acute vertebral fractures (clinical value has not been established). Claims may be denied when the requested service falls under these.

Source: Aetna CPB 0236 — MRI and CT of the Spine

Coverage criteria

  • MRI and CT of the spine are considered medically necessary when ANY ONE of the following criteria is met (the conservative-therapy trial is WAIVED for the urgent/structural indications noted, e.g., cord/cauda equina compression, rapidly progressing deficit or major motor weakness, severe back pain requiring hospitalization, trauma, suspected tumor/infection, transverse myelitis)
  • Clinical evidence of spinal stenosis (MRI or CT equally appropriate)
  • Clinical suspicion of spinal cord or cauda equina compression syndrome (no conservative-therapy trial required)
  • Congenital anomalies or deformities of the spine
  • Diagnosis and evaluation of lumbar epidural lipomatosis
  • Evaluation of recurrent symptoms after spinal surgery (MRI with and without gadolinium enhancement is the preferred method)
  • Evaluation prior to epidural injection (to rule out tumor/infection and delineate optimal anatomical location)
  • Follow-up evaluation for spinal malignancy or spinal infection
  • Known or suspected myelopathy (e.g., multiple sclerosis) for initial diagnosis when brain MRI is negative or symptoms mimic other spinal/brainstem lesions
  • Known or suspected primary spinal cord tumors (malignant or non-malignant) — no conservative-therapy trial required
  • Persistent back or neck pain with radiculopathy (meet ALL: pain PLUS objective findings of motor or reflex changes in the specific nerve root distribution AND no improvement after 6 weeks of conservative therapy)
  • Primary spinal bone tumors or suspected vertebral, paraspinal, or intraspinal metastases
  • Progressively severe symptoms despite conservative management
  • Rapidly progressing neurological deficit, or major motor weakness (no conservative-therapy trial required)
  • Severe back pain (e.g., requiring hospitalization) — no conservative-therapy trial required
  • Spondylolisthesis and degenerative disease of the spine that has NOT responded to 4 weeks of conservative therapy
  • Suspected infectious process (osteomyelitis, epidural abscess of spine/soft tissue) — no conservative-therapy trial required
  • Suspected spinal cord injury secondary to trauma (no conservative-therapy trial required)
  • Suspected spinal fracture and/or dislocation secondary to trauma (if plain films are not conclusive — CT preferred over MRI in this scenario; no conservative-therapy trial required)
  • Suspected transverse myelitis (no conservative-therapy trial required)
  • Conservative therapy is defined as: moderate activity, analgesics, non-steroidal anti-inflammatory drugs (NSAIDs), muscle relaxants
  • Modality note: MRI is the preferred imaging for medically necessary indications EXCEPT (ONE of): suspected spinal fracture/dislocation from trauma where plain films are inconclusive (CT preferred) OR signs/symptoms of spinal stenosis (MRI or CT equally appropriate)

Covered codes

Codes listed in this Aetna policy. Check each one's prior-authorization verdict and Medicare rate:

Documentation required

  • Clinical guidelines referenced by the policy indicate imaging is not indicated for non-specific low back pain without red flags within the first 6 weeks of symptoms; documentation should support either completion of the applicable conservative-therapy trial (6 weeks for radiculopathy; 4 weeks for spondylolisthesis/degenerative disease) OR the presence of red flags justifying earlier imaging
  • Red-flag findings that justify earlier imaging should be documented: severe or progressive neurological deficits, or suspected serious underlying conditions (e.g., osteomyelitis, malignancy)

Frequently asked questions

When does Aetna cover MRI and CT of the Spine (CPT 72141), and what gets it denied?
Aetna CPB 0236 covers MRI and CT of the spine as medically necessary for a defined list of indications — including spinal stenosis, suspected cord/cauda equina compression, congenital deformities, post-surgical recurrent symptoms, suspected tumor or infection, trauma, myelopathy, and radiculopathy with objective neurologic findings. The key gate is a conservative-therapy trial (6 weeks for radiculopathy, 4 weeks for spondylolisthesis/degenerative disease), which is waived for urgent or structural presentations such as cauda equina compression, rapidly progressing deficits, trauma, suspected tumor/infection, and severe back pain; routine imaging for acute low back pain and several novel techniques (BoneMRI synthetic CT, dynamic-kinetic MRI, dual-energy CT for vertebral fractures, routine MRI after normal cervical CT) are not covered. Coverage criteria include: MRI and CT of the spine are considered medically necessary when ANY ONE of the following criteria is met (the conservative-therapy trial is WAIVED for the urgent/structural indications noted, e.g., cord/cauda equina compression, rapidly progressing deficit or major motor weakness, severe back pain requiring hospitalization, trauma, suspected tumor/infection, transverse myelitis); Clinical evidence of spinal stenosis (MRI or CT equally appropriate); Clinical suspicion of spinal cord or cauda equina compression syndrome (no conservative-therapy trial required); Congenital anomalies or deformities of the spine; Diagnosis and evaluation of lumbar epidural lipomatosis; Evaluation of recurrent symptoms after spinal surgery (MRI with and without gadolinium enhancement is the preferred method); Evaluation prior to epidural injection (to rule out tumor/infection and delineate optimal anatomical location); Follow-up evaluation for spinal malignancy or spinal infection; Known or suspected myelopathy (e.g., multiple sclerosis) for initial diagnosis when brain MRI is negative or symptoms mimic other spinal/brainstem lesions; Known or suspected primary spinal cord tumors (malignant or non-malignant) — no conservative-therapy trial required; Persistent back or neck pain with radiculopathy (meet ALL: pain PLUS objective findings of motor or reflex changes in the specific nerve root distribution AND no improvement after 6 weeks of conservative therapy); Primary spinal bone tumors or suspected vertebral, paraspinal, or intraspinal metastases; Progressively severe symptoms despite conservative management; Rapidly progressing neurological deficit, or major motor weakness (no conservative-therapy trial required); Severe back pain (e.g., requiring hospitalization) — no conservative-therapy trial required; Spondylolisthesis and degenerative disease of the spine that has NOT responded to 4 weeks of conservative therapy; Suspected infectious process (osteomyelitis, epidural abscess of spine/soft tissue) — no conservative-therapy trial required; Suspected spinal cord injury secondary to trauma (no conservative-therapy trial required); Suspected spinal fracture and/or dislocation secondary to trauma (if plain films are not conclusive — CT preferred over MRI in this scenario; no conservative-therapy trial required); Suspected transverse myelitis (no conservative-therapy trial required); Conservative therapy is defined as: moderate activity, analgesics, non-steroidal anti-inflammatory drugs (NSAIDs), muscle relaxants; Modality note: MRI is the preferred imaging for medically necessary indications EXCEPT (ONE of): suspected spinal fracture/dislocation from trauma where plain films are inconclusive (CT preferred) OR signs/symptoms of spinal stenosis (MRI or CT equally appropriate). Applies to 18 codes: 72141, 72142, 72146, 72147, 72148, 72149, 72156, 72157, 72158, 72125, 72126, 72127, 72128, 72129, 72130, 72131, 72132, 72133. Confirm prior-authorization status with Aetna before scheduling — it is code- and plan-specific, and this policy is not an exact authorization source. Precertification may be required for select procedures and interventions. Use the CPT code search tool to see if precertification is required. Documentation: Clinical guidelines referenced by the policy indicate imaging is not indicated for non-specific low back pain without red flags within the first 6 weeks of symptoms; documentation should support either completion of the applicable conservative-therapy trial (6 weeks for radiculopathy; 4 weeks for spondylolisthesis/degenerative disease) OR the presence of red flags justifying earlier imaging; Red-flag findings that justify earlier imaging should be documented: severe or progressive neurological deficits, or suspected serious underlying conditions (e.g., osteomyelitis, malignancy). Policy exclusions and limitations: MRI and CT of the spine are considered experimental, investigational, or unproven for all other indications not listed as medically necessary (because clinical value has not been established); BoneMRI (MRI-based synthetic CT) for pre-operative assessments and surgical planning of the spine/pelvis (experimental, investigational, or unproven); BoneMRI (MRI-based synthetic CT) for diagnosing or monitoring tumors, whether primary or metastatic (experimental, investigational, or unproven); Routine imaging for acute low back pain (not medically necessary; clinical guidelines recommend against routine imaging for acute low back pain); MRI for further evaluation of unstable injury in neurologically intact individuals with blunt trauma after a negative cervical spine CT (experimental, investigational, or unproven); Dynamic-kinetic MRI for evaluation of the cervical spine (effectiveness has not been established); Routine MRI after a normal CT of the cervical spine in obtunded or comatose individuals (clinical value has not been established); Dual-energy CT for evaluating bone marrow edema and fracture lines in acute vertebral fractures (clinical value has not been established). Claims may be denied when the requested service falls under these.
Does Aetna require prior authorization for MRI and CT of the Spine?
Confirm prior-authorization status with Aetna before scheduling — it is code- and plan-specific, and this policy is not an exact authorization source. Precertification may be required for select procedures and interventions. Use the CPT code search tool to see if precertification is required. Documentation: Clinical guidelines referenced by the policy indicate imaging is not indicated for non-specific low back pain without red flags within the first 6 weeks of symptoms; documentation should support either completion of the applicable conservative-therapy trial (6 weeks for radiculopathy; 4 weeks for spondylolisthesis/degenerative disease) OR the presence of red flags justifying earlier imaging; Red-flag findings that justify earlier imaging should be documented: severe or progressive neurological deficits, or suspected serious underlying conditions (e.g., osteomyelitis, malignancy).
What does Aetna exclude for MRI and CT of the Spine?
Policy exclusions and limitations: MRI and CT of the spine are considered experimental, investigational, or unproven for all other indications not listed as medically necessary (because clinical value has not been established); BoneMRI (MRI-based synthetic CT) for pre-operative assessments and surgical planning of the spine/pelvis (experimental, investigational, or unproven); BoneMRI (MRI-based synthetic CT) for diagnosing or monitoring tumors, whether primary or metastatic (experimental, investigational, or unproven); Routine imaging for acute low back pain (not medically necessary; clinical guidelines recommend against routine imaging for acute low back pain); MRI for further evaluation of unstable injury in neurologically intact individuals with blunt trauma after a negative cervical spine CT (experimental, investigational, or unproven); Dynamic-kinetic MRI for evaluation of the cervical spine (effectiveness has not been established); Routine MRI after a normal CT of the cervical spine in obtunded or comatose individuals (clinical value has not been established); Dual-energy CT for evaluating bone marrow edema and fracture lines in acute vertebral fractures (clinical value has not been established). Claims may be denied when the requested service falls under these.

Source

Aetna CPB 0236 — MRI and CT of the Spine

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Coverage disclaimer

This page summarizes Aetna clinical-coverage criteria extracted from policy CPB 0236 for educational purposes. Coverage policies change and vary by individual plan. Always verify against Aetna's current policy before performing a procedure or submitting a claim. d3rx is not responsible for claim denials or reimbursement issues.