C8003 HCPCS Level II code: Implantation of medial knee extraarticular implantable shock absorber spanning the knee joint from distal femur to proximal tibia, open, includes…

C8003 is the HCPCS code for “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…” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

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)

Short description: Imp extar knee shck absrb

HCPCS · United States

Medicare details

The indicators CMS publishes with C8003 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Physician fee schedule – Price established using national RVUs
ASC
Approved for ambulatory surgical centers
Type of service
Surgery
BETOS category
Major procedure, orthopedic - other
Added
Jan 1, 2025

Where C8003 sits

  1. 1C codesOutpatient prospective payment system
  2. 2Active code C8003Implantation 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)

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code C8003 mean?

C8003 is the HCPCS code for “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)” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover C8003?

CMS lists C8003’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established using national RVUs”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

C7901Service for diagnosis, evaluation, or treatment of a mental health or substance use disorder, 30-60 minutes, provided remotely by hospital staff who are licensed to provided…C7902Service for diagnosis, evaluation, or treatment of a mental health or substance use disorder, each additional 15 minutes, provided remotely by hospital staff who are licensed to…C7903Group psychotherapy service for diagnosis, evaluation, or treatment of a mental health or substance use disorder provided remotely by hospital staff who are licensed to provide…C8000Support device, extravascular, for arteriovenous fistula (implantable)C80013d anatomical segmentation imaging for preoperative planning, data preparation and transmission, obtained from previous diagnostic computed tomographic or magnetic resonance…C8002Preparation of skin cell suspension autograft, automated, including all enzymatic processing and device components (do not report with manual suspension preparation)C8004Simulation angiogram with use of a pressure-generating catheter (e.g., one-way valve or occlusion balloon, intermittently or temporarily occluding), inclusive of all radiological…C8005Bronchoscopy, rigid or flexible, non-thermal transbronchial ablation of lesion(s) by pulsed electric field (pef) energy, including fluoroscopic and/or ultrasound guidance, when…C8006Insertion of pleural-peritoneal shunt with intercostal pump chamber, including imaging, injection(s) of contrast with radiological supervision and interpretation, when performedC8007Open implantation of hypoglossal nerve neurostimulator array and pulse generator, not requiring insertion of a separate distal respiratory sensor electrode or electrode arrayC8008Revision or replacement of hypoglossal nerve neurostimulator array including connection to existing pulse generatorC8009Removal of hypoglossal nerve neurostimulator array and pulse generator