C9355 HCPCS code: Collagen nerve cuff (neuromatrix), per 0.5 centimeter length
C9355 is the HCPCS Level II code for collagen nerve cuff (neuromatrix), per 0.5 centimeter length. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 5 per day on outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 53 |
| BETOS category | D1A — Medical/surgical supplies |
| Added | 2008-01-01 |
| Last action effective | 2008-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 5 | Prescribing Information |
| practitioner claims | 5 | Prescribing Information |
What changed for C9355
- 2008-01-01: C9355 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 C9355?
C9355 is the HCPCS Level II code for collagen nerve cuff (neuromatrix), per 0.5 centimeter length. Short descriptor: "Neuromatrix nerve cuff, cm".
Does Medicare cover C9355?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of C9355 can be billed per day?
5 on outpatient hospital claims; 5 on practitioner claims (NCCI medically unlikely edits).
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Next steps
- Run a reimbursement report for a device billed under C9355
- Watch C9355 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C9355
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.