C1730 HCPCS code: Catheter, electrophysiology, diagnostic, other than 3d mapping (19 or fewer electrodes)

C1730 is the HCPCS Level II code for catheter, electrophysiology, diagnostic, other than 3d mapping (19 or fewer electrodes). 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

FieldValue
SectionC codes — Outpatient PPS (hospital outpatient temporary codes)
Coverage codeD — Special coverage instructions apply
Pricing indicator53
BETOS categoryD1A — Medical/surgical supplies
Added2001-04-01
Last action effective2004-01-01

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims4Clinical: Data
practitioner claims4Clinical: CMS Workgroup

What changed for C1730

Frequently asked questions

What is HCPCS code C1730?

C1730 is the HCPCS Level II code for catheter, electrophysiology, diagnostic, other than 3d mapping (19 or fewer electrodes). Short descriptor: "Cath, ep, 19 or few elect".

Does Medicare cover C1730?

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

How many units of C1730 can be billed per day?

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

Related C17 codes

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Next steps

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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