Myoelectric Prosthetic and Orthotic Components for the Upper Limb
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This policy governs coverage determinations for myoelectric-controlled upper-limb orthoses and advanced myoelectric prosthetic components for BCBSRI Medicare Advantage and Commercial products.
No material clinical or coverage changes in this revision.
Coverage Criteria
Not covered / Not medically necessary
Covered when ALL of the following are met:
Based on mixed and limited studies including a 12-week home study of sensor and myoelectric controlled prostheses and prototype evaluations; improvements in function were inconsistent across measured outcomes.
Myoelectric controlled upper-limb orthoses are not covered for Medicare Advantage plans and are considered not medically necessary for Commercial products. This determination follows the assessment that the evidence is insufficient to show these devices improve net health outcomes.
Advanced upper-limb prosthetic components that combine additional sensors with myoelectric control (for example, DEKA/LUKE-type arms) are considered not covered for Medicare Advantage plans and not medically necessary for Commercial products. The available studies, including prototype evaluations and a 12‑week home study, have produced mixed functional results and do not provide sufficient evidence of consistent improvement in net health outcomes.
Coding
| A8005 | Powered, cable driven grip assist glove, hand, finger, includes microprocessor, pressure sensors, all components and accessories, custom fitted (New Code Effective 4/1/2026) |
| A8006 | Powered, cable driven grip assist glove, hand, finger, includes pressure sensors, glove replacement only (New Code Effective 4/1/2026) |
| L6700 | Upper extremity addition, external powered feature, myoelectronic control module, additional EMG inputs, pattern-recognition decoding intent movement |
| L8701 | Powered upper extremity range of motion assist device, elbow, wrist, hand with single or double upright(s), includes microprocessor, sensors, all components and accessories, custom fabricated |
| L8702 | Powered upper extremity range of motion assist device, elbow, wrist, hand, finger, single or double upright(s), includes microprocessor, sensors, all components and accessories, custom fabricated |
Provider Actions & Billing
Prior authorization not applicable — listed HCPCS codes are not covered
Prior authorization is not required under this draft policy; however the HCPCS codes listed in the policy are designated not covered / not medically necessary for the specified products.
Verify benefit-dependent requirements and step therapy
Benefits and any utilization controls (including step therapy) may vary by contract; verify the member's specific benefit documents for any applicable requirements before ordering or providing services.
- Check the appropriate Benefit Booklet, Evidence of Coverage, or Subscriber Agreement for contract-specific requirements and any step therapy provisions.
Obtain documentation and verify benefits/eligibility
Confirm member eligibility and benefit coverage in the member’s Benefit Booklet, Evidence of Coverage, or Subscriber Agreement; this policy is informational and not a guarantee of payment.
- For member-specific benefits or eligibility questions, contact the provider call center as noted in member documents.
- Do not rely on this policy alone to determine payable benefits; subscriber/employer agreements supersede this policy.
Denial risk — myoelectric orthoses and advanced myoelectric prosthetic components
Claims for myoelectric-controlled upper-limb orthoses and advanced upper-limb prosthetic components that incorporate both sensor and myoelectric control are considered not covered for Medicare Advantage and not medically necessary for Commercial products and therefore are at risk for denial.
- Devices explicitly cited as not covered/not medically necessary include myoelectric controlled upper-limb orthoses and advanced components such as the LUKE/DEKA–type systems.
- HCPCS codes associated with these devices (A8005, A8006, L6700, L8701, L8702) are listed as not covered/not medically necessary.
Background
Myoelectric orthoses and prostheses use noninvasive surface electromyography (EMG) sensors, microprocessors, and electromechanical actuators to amplify or decode a patient’s muscle signals and drive assisted joint movement or prosthetic function. Typical systems include surface EMG leads that detect residual muscle activation, a control module or pattern‑recognition/intent‑decoding algorithm that interprets those signals, and motors or powered components that execute the decoded commands to produce arm, wrist, or hand motion. Examples discussed in the evidence base include custom myoelectric orthoses (such as MyoPro), intent‑decoding modules that use multiple EMG inputs, and advanced sensor-plus‑myoelectric prostheses (prototype DEKA/LUKE arms).
Definitions
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