Aetna Updates Orthopedic Casts, Braces, and Splints Coverage Policy (CPB 0009) — What Billing Teams Need to Know

Aetna, a CVS Health company, has modified its Clinical Policy Bulletin 0009 covering orthopedic casts, braces, and splints, with an effective date of January 22, 2026. This policy governs medical necessity criteria and coverage determinations for a broad range of durable medical equipment (DME) and orthotic devices used across orthopedic, sports medicine, physical medicine, and rehabilitation settings. Billing teams that submit claims for braces, casting supplies, or custom orthotics under Aetna should review this update carefully before processing 2026 claims.

What Aetna's CPB 0009 Covers — Orthopedic Casts, Braces, and Splints Policy Overview

Clinical Policy Bulletin 0009 is one of Aetna's foundational orthopedic DME policies. It establishes the criteria under which casts, prefabricated braces, custom-fabricated orthoses, and splints are considered medically necessary and therefore reimbursable. The policy applies broadly — from a simple wrist splint applied in an urgent care setting to a custom knee brace prescribed following reconstructive surgery.

The policy was modified effective January 22, 2026. Because the full redlined document is housed within PayerPolicy's version-diff tool, billing teams should access the complete updated text to identify exactly which criteria or covered device categories changed. What's consistent with Aetna's historical approach to this policy is a framework that distinguishes between prefabricated (off-the-shelf) devices, custom-fit devices, and custom-fabricated devices — each tier carrying different documentation and justification requirements.

Medical Necessity Criteria for Orthotic Devices Under Aetna's 2026 Policy

Aetna's CPB 0009 has historically required that orthopedic casts, braces, and splints meet specific medical necessity thresholds to receive coverage. While the full updated criteria are available in the policy document, Aetna's established standards for this policy category generally require:

Aetna has historically drawn a firm line between custom-fabricated orthoses (which require the most robust medical necessity documentation) and prefabricated devices that are simply adjusted or sized at the point of dispensing. Claims for custom devices without adequate supporting documentation are among the most common denial triggers under this policy.

What Is Typically Excluded Under Aetna's Orthotics and Bracing Policy

Aetna's CPB 0009 has consistently excluded certain categories of orthotic devices and bracing applications from coverage. Billing teams should be aware that the following are generally not covered:

• Devices prescribed or used primarily for sports performance, athletic training, or injury prevention in the absence of an active pathology
• Bracing for conditions Aetna designates as not meeting medical necessity based on the submitted diagnosis code
• Duplicate or replacement devices without documented medical justification (e.g., loss, irreparable damage, significant clinical change)
• Over-the-counter supports that do not meet the definition of a covered DME item under the member's specific benefit plan

It's worth noting that coverage can also vary based on the member's specific plan type — commercial fully insured, self-funded, Medicare Advantage, or Medicaid managed care. Always verify plan-level benefits before assuming CPB 0009 applies uniformly.

Prior Authorization Requirements for Aetna Bracing and Orthotics Claims

Prior authorization (PA) requirements for orthotics and bracing under Aetna vary by device type, plan, and clinical indication. Custom-fabricated orthoses have historically been subject to prior authorization requirements more often than prefabricated devices. With the January 2026 modification, billing teams should confirm whether any PA thresholds have shifted — particularly for:

• Custom knee orthoses (e.g., functional ACL bracing post-reconstruction)
• Spinal orthoses including LSOs and TLSOs
• Custom ankle-foot orthoses (AFOs) and knee-ankle-foot orthoses (KAFOs)
• Upper extremity custom orthotics used in neurological rehabilitation

When prior authorization is required, clinical documentation submitted with the PA request should align precisely with the medical necessity criteria outlined in the updated CPB 0009. Mismatches between the PA documentation and what's ultimately billed are a frequent cause of post-payment audits.

Affected Codes

Important note: The updated policy document for CPB 0009 (effective January 22, 2026) does not list specific CPT or HCPCS codes in the data available for this policy summary. Aetna's CPB 0009 historically references HCPCS L-codes for orthotic devices, A-codes for casting supplies, and CPT codes for cast application and removal, but we cannot confirm which specific codes are included or excluded in the January 2026 version without access to the full updated document.

Billing teams should access the complete policy at PayerPolicy.org or directly via Aetna's NaviMedix/provider portal to obtain the definitive code list. Do not assume that codes covered under the prior version remain unchanged.

What Your Billing Team Should Do