CPT 33288, in plain terms, covers Removal and replacement of a transvenous phrenic nerve stimulator lead, either the stimulation or the sensing lead. CPT 33288 is referenced in 5 tracked payer policy changes from Blue Cross Blue Shield of North Dakota, Humana, and 1 other payer. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for CPT 33288 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.
Official descriptor: CPT 33288 on AAPC
Blue Cross Blue Shield of North Dakota released comprehensive medical policy updates effective June 18, 2026, including new policies for procedures like vagus nerve stimulation and transcatheter aortic valve implantation, revised criteria for multiple existing policies, and extensive billing code additions and removals across various specialties.
Humana Medicare Advantage revised its Functional Electrical Stimulators (Non Pain) policy effective 11/02/2026, maintaining non-coverage for Portable Neuromodulation Stimulation (PoNS) devices and temporary transvenous diaphragm neurostimulation therapy due to insufficient evidence, while establishing criteria for medically necessary adjustments, repairs, replacements, and removals of implantable phrenic nerve stimulators.
Phrenic nerve stimulation for central sleep apnea is considered investigational in all situations. The remedē System from Zoll Medical is the only phrenic nerve stimulation device currently approved by the FDA for central sleep apnea, with an approved indication for moderate to severe central sleep apnea in adults since October 2017. The investigational code list covers insertion, removal, repositioning, and interrogation codes for phrenic nerve stimulators, and HCPCS L8697 was added as new on 10/01/2026.
Humana Medicare Advantage revised its Functional Electrical Stimulators (Non-Pain) policy effective 08/03/2026, establishing coverage criteria for phrenic nerve stimulator adjustments, repairs, replacements, and removals. The policy clarifies that these procedures are medically reasonable and necessary only when the device remains medically necessary or when complications warrant intervention. Billing teams must ensure claims for phrenic nerve procedures (33278-33280, 33281, 33287, 33288) include documentation of medical necessity.
Humana Medicare Advantage has revised its policy for Functional Electrical Stimulators (Non-Pain) with an effective date of November 3, 2025. The policy provides coverage guidance for neuromuscular electrical stimulation (NMES), functional electrical stimulation (FES), and phrenic nerve stimulation devices, following existing CMS National Coverage Determinations.
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