C1778 HCPCS code: Lead, neurostimulator (implantable)

C1778 is the HCPCS Level II code for lead, neurostimulator (implantable). 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 4 per day on outpatient hospital claims.

Code details

NCCI unit limits (MUE)

Medicare policy articles for this code

• A53359: Billing and Coding: Sacral Nerve Stimulation for Urinary and Fecal Incontinence (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B))
• A55835: Billing and Coding: Sacral Nerve Stimulation for Urinary and Fecal Incontinence (CGS Administrators, LLC (MAC - Part A, MAC - Part B))
• A59332: Billing and Coding: Sacral Nerve Stimulation for the Treatment of Urinary and Fecal Incontinence (Palmetto GBA (MAC - Part A, MAC - Part B))

Covered diagnoses (47 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

Showing 10 of 47. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for C1778

• 2001-04-01: C1778 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 C1778?

C1778 is the HCPCS Level II code for lead, neurostimulator (implantable). Short descriptor: "Lead, neurostimulator".

Does Medicare cover C1778?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Which diagnoses support coverage for C1778?

Medicare policy articles that cite C1778 list 47 covered ICD-10-CM diagnosis codes across 3 articles. The most cited include N30.10 (Interstitial cystitis (chronic) without hematuria), N30.11 (Interstitial cystitis (chronic) with hematuria), N39.41 (Urge incontinence). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of C1778 can be billed per day?

4 on outpatient hospital claims; 4 on practitioner claims (NCCI medically unlikely edits).

Related C17 codes

• C1713 — Anchor/screw for opposing bone-to-bone or soft tissue-to-bone (implantable)
• C1714 — Catheter, transluminal atherectomy, directional
• C1715 — Brachytherapy needle
• C1716 — Brachytherapy source, non-stranded, gold-198, per source
• C1717 — Brachytherapy source, non-stranded, high dose rate iridium-192, per source
• C1719 — Brachytherapy source, non-stranded, non-high dose rate iridium-192, per source
• C1721 — Cardioverter-defibrillator, dual chamber (implantable)
• C1722 — Cardioverter-defibrillator, single chamber (implantable)
• C1724 — Catheter, transluminal atherectomy, rotational
• C1725 — Catheter, transluminal angioplasty, non-laser (may include guidance, infusion/perfusion capability)
• C1726 — Catheter, balloon dilatation, non-vascular
• C1727 — Catheter, balloon tissue dissector, non-vascular (insertable)

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Next steps

• Run a reimbursement report for a device billed under C1778
• Watch C1778 for fee, coverage and descriptor changes
• Build a full Medicare revenue model for C1778

Sources: CMS HCPCS Level II release October 2025; 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.

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