C8008 HCPCS code: Revision or replacement of hypoglossal nerve neurostimulator array including connection to existing pulse generator
C8008 is the HCPCS Level II code for revision or replacement of hypoglossal nerve neurostimulator array including connection to existing pulse generator. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 11 — Priced using national relative value units (Physician Fee Schedule) |
| BETOS category | P1G |
| Added | 2026-01-01 |
| Last action effective | 2026-01-01 |
Medicare policy articles for this code
- A57944: Billing and Coding: Hypoglossal Nerve Stimulation for Treatment of Obstructive Sleep Apnea (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
- A57944: Billing and Coding: Hypoglossal Nerve Stimulation for Treatment of Obstructive Sleep Apnea (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
- A57948: Billing and Coding: Hypoglossal Nerve Stimulation for the Treatment of Obstructive Sleep Apnea (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B))
- A58075: Billing and Coding: Hypoglossal Nerve Stimulation for Obstructive Sleep Apnea (Palmetto GBA (MAC - Part A, MAC - Part B))
- A58075: Billing and Coding: Hypoglossal Nerve Stimulation for Obstructive Sleep Apnea (Palmetto GBA (MAC - Part A, MAC - Part B))
Covered diagnoses (19 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| G47.33 | Obstructive sleep apnea (adult) (pediatric) | 3 |
| Z68.1 | Body mass index [BMI] 19.9 or less, adult | 3 |
| Z68.20 | Body mass index [BMI] 20.0-20.9, adult | 3 |
| Z68.21 | Body mass index [BMI] 21.0-21.9, adult | 3 |
| Z68.22 | Body mass index [BMI] 22.0-22.9, adult | 3 |
| Z68.23 | Body mass index [BMI] 23.0-23.9, adult | 3 |
| Z68.24 | Body mass index [BMI] 24.0-24.9, adult | 3 |
| Z68.25 | Body mass index [BMI] 25.0-25.9, adult | 3 |
| Z68.26 | Body mass index [BMI] 26.0-26.9, adult | 3 |
| Z68.27 | Body mass index [BMI] 27.0-27.9, adult | 3 |
Showing 10 of 19. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for C8008
- April 2026: Code appears in this HCPCS release
- 2026-01-01: C8008 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code C8008?
C8008 is the HCPCS Level II code for revision or replacement of hypoglossal nerve neurostimulator array including connection to existing pulse generator. Short descriptor: "Rv/rpl hpgls ns inc cnt pg".
Does Medicare cover C8008?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for C8008?
Medicare policy articles that cite C8008 list 19 covered ICD-10-CM diagnosis codes across 5 articles. The most cited include G47.33 (Obstructive sleep apnea (adult) (pediatric)), Z68.1 (Body mass index [BMI] 19.9 or less, adult), Z68.20 (Body mass index [BMI] 20.0-20.9, adult). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Related C80 codes
- C8000 — Support device, extravascular, for arteriovenous fistula (implantable)
- C8001 — 3d anatomical segmentation imaging for preoperative planning, data preparation and transmission, obtained from previous diagnostic computed tomographic or magnetic resonance examination of the same anatomy
- C8002 — Preparation of skin cell suspension autograft, automated, including all enzymatic processing and device components (do not report with manual suspension preparation)
- C8003 — Implantation of medial knee extraarticular implantable shock absorber spanning the knee joint from distal femur to proximal tibia, open, includes measurements, positioning and adjustments, with imaging guidance (e.g., fluoroscopy)
- C8004 — Simulation angiogram with use of a pressure-generating catheter (e.g., one-way valve or occlusion balloon, intermittently or temporarily occluding), inclusive of all radiological supervision and interpretation, intraprocedural roadmapping, and imaging guidance necessary to complete the angiogram, for subsequent therapeutic radioembolization of tumors
- C8005 — Bronchoscopy, rigid or flexible, non-thermal transbronchial ablation of lesion(s) by pulsed electric field (pef) energy, including fluoroscopic and/or ultrasound guidance, when performed, with computed tomography acquisition(s) and 3d rendering, computer-assisted, image-guided navigation, and endobronchial ultrasound (ebus) guided transtracheal and/or transbronchial sampling (e.g., aspiration[s]/biopsy[ies]) of lung(s) and all mediastinal and/or hilar lymph node stations or structures, and therapeutic intervention(s)
- C8006 — Insertion of pleural-peritoneal shunt with intercostal pump chamber, including imaging, injection(s) of contrast with radiological supervision and interpretation, when performed
- C8007 — Open implantation of hypoglossal nerve neurostimulator array and pulse generator, not requiring insertion of a separate distal respiratory sensor electrode or electrode array
- C8009 — Removal of hypoglossal nerve neurostimulator array and pulse generator
- C8010 — Percutaneous placement of permanent common carotid embolic protection device, including all system components and imaging guidance; bilateral
- C8011 — Open implantation of hypoglossal nerve(s) neurostimulator electrode array(s) and receiver, including external power source and all system components
- C8012 — Revision or replacement of hypoglossal nerve(s) neurostimulator electrode array(s) and receiver
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under C8008
- Watch C8008 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C8008
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.