Anthem BCBS (Carelon) — CT Head
This page shows prior authorization criteria extracted from Anthem BCBS (Carelon)'s published imaging guidelines. 14 matching coverage rules found for this procedure.
Coverage Rules from Anthem BCBS (Carelon) Policy
Brain and Spinal Cord Malignancy
Indication Code: CARELON-ONC-012
Cancer screening, not otherwise specified
Indication Code: CARELON-ONC-007
Cerebral perfusion imaging
Indication Code: CARELON-BRA-010
Cerebrospinal fluid (CSF) leak of the skull base
Indication Code: CARELON-HEANEC-018
Colorectal cancer screening
Indication Code: CARELON-ONC-003
Congenital or developmental vascular anomalies, not otherwise specified
Indication Code: CARELON-VAS-001
Head and Neck Cancer
Indication Code: CARELON-ONC-019
Histiocytic Neoplasms
Indication Code: CARELON-ONC-021
Neuroendocrine Tumors
Indication Code: CARELON-ONC-033
Sinusitis/rhinosinusitis
Indication Code: CARELON-HEANEC-002
Temporomandibular joint dysfunction
Indication Code: CARELON-HEANEC-017
Traumatic vascular injury
Indication Code: CARELON-VAS-002
Vasculitis
Indication Code: CARELON-VAS-003
Venous thrombosis or compression, intracranial
Indication Code: CARELON-VAS-020
How to Submit a Prior Authorization Request
📄 Required Documentation Checklist
- Patient demographics and insurance information
- Ordering provider NPI and contact information
- Specific clinical indication with ICD-10 diagnosis code(s)
- Relevant clinical history and physical exam findings
- Results of prior conservative treatment (if applicable)
- Prior imaging results relevant to the indication
- Supporting lab or diagnostic results where applicable
⏱ Turnaround Times
Standard prior authorization requests are typically processed within 3–5 business days. Urgent/expedited requests may be processed within 24–72 hours when clinically necessary.
📣 Appeal Window
Most plans allow 30–60 days to file a first-level appeal. Expedited appeals for urgent cases are typically processed within 72 hours.
⚠ Common Denial Reasons
- Insufficient clinical documentation to establish medical necessity
- Clinical criteria not met per payer guidelines
- Lack of documented prior conservative treatment
- Missing required prior imaging as step therapy
- Incorrect or unsupported ICD-10 diagnosis code pairing
- Request submitted outside of authorization timeframe
⚠ This study uses ionizing radiation. Payers may ask that non-ionizing alternatives (MRI, ultrasound) be considered first when clinically appropriate.
Clinical Approval Criteria
✓ Generally Approved When:
- Emergency indications: document acute presentation — prior auth typically not required
- Outpatient: document why CT is preferred over MRI (contraindication, urgency, prior MRI result)
- Contrast upgrade: document specific clinical reason