C7552 HCPCS code: Catheter placement in coronary artery(s) for coronary angiography, including intraprocedural injection(s) for coronary angiography, imaging supervision and interpretation; with catheter placement(s) in bypass graft(s) (internal mammary, free arterial, venous grafts) including intraprocedural injection(s) for bypass graft angiography and right heart catheterization with intravascular doppler velocity and/or pressure derived coronary flow reserve measurement (coronary vessel or graft) during coronary angiography including pharmacologically induced stress, initial vessel

C7552 is the HCPCS Level II code for catheter placement in coronary artery(s) for coronary angiography, including intraprocedural injection(s) for coronary angiography, imaging supervision and interpretation; with catheter placement(s) in bypass graft(s) (internal mammary, free arterial, venous grafts) including intraprocedural injection(s) for bypass graft angiography and right heart catheterization with intravascular doppler velocity and/or pressure derived coronary flow reserve measurement (coronary vessel or graft) during coronary angiography including pharmacologically induced stress, initial vessel. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims.

Code details

FieldValue
SectionC codes — Outpatient PPS (hospital outpatient temporary codes)
Coverage codeC — Carrier judgment
Pricing indicator11 — Priced using national relative value units (Physician Fee Schedule)
BETOS categoryP2F
Added2023-01-01
Last action effective2024-01-01

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1Code Descriptor / CPT Instruction
practitioner claims1Code Descriptor / CPT Instruction

What changed for C7552

Frequently asked questions

What is HCPCS code C7552?

C7552 is the HCPCS Level II code for catheter placement in coronary artery(s) for coronary angiography, including intraprocedural injection(s) for coronary angiography, imaging supervision and interpretation; with catheter placement(s) in bypass graft(s) (internal mammary, free arterial, venous grafts) including intraprocedural injection(s) for bypass graft angiography and right heart catheterization with intravascular doppler velocity and/or pressure derived coronary flow reserve measurement (coronary vessel or graft) during coronary angiography including pharmacologically induced stress, initial vessel. Short descriptor: "R hrt art/grft ang hrt flow".

Does Medicare cover C7552?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

How many units of C7552 can be billed per day?

1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related C75 codes

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Next steps

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.

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