C9600 HCPCS code: Percutaneous transcatheter placement of drug eluting intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch

C9600 is the HCPCS Level II code for percutaneous transcatheter placement of drug eluting intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch. In 2024 Medicare paid an average of $4,809.69 per service for C9600 across 4,255 services. 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 3 per day on outpatient hospital claims. Medicare volume rose 45% from 2022 to 2024 (2,932 to 4,255 services). In 2024, about 85 clinicians billed Medicare for C9600 for 3,606 beneficiaries; Texas, Florida, Arizona accounted for 72% of services.

Code details

FieldValue
SectionC codes — Outpatient PPS (hospital outpatient temporary codes)
Coverage codeD — Special coverage instructions apply
Pricing indicator53
BETOS categoryP2F
Added2013-01-01

Who bills C9600 (2024)

MeasureValue
Clinicians billing (by place of service)85
Medicare beneficiaries3,606
States with claims15
Share of services in top 3 states (Texas, Florida, Arizona)72%

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for C9600, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20222,9322,520$5,764.01$4,594.21
20233,7983,227$5,832.10$4,645.55
20244,2553,606$6,038.64$4,809.69

States with the most C9600 services (2024)

StateServicesAvg. paid
Texas1,041$4,819.10
Florida1,031$4,666.58
Arizona971$5,021.16
Mississippi228$4,500.97
Kansas207$4,640.18

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims3Clinical: Data
practitioner claims3Clinical: Data

Medicare policy articles for this code

Covered diagnoses (113 ICD-10-CM codes)

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

ICD-10-CMDiagnosisArticles listing it
I20.0Unstable angina2
I20.81Angina pectoris with coronary microvascular dysfunction2
I20.89Other forms of angina pectoris2
I20.9Angina pectoris, unspecified2
I21.01ST elevation (STEMI) myocardial infarction involving left main coronary artery2
I21.02ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery2
I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall2
I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery2
I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall2
I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery2

Showing 10 of 113. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for C9600

Frequently asked questions

What is HCPCS code C9600?

C9600 is the HCPCS Level II code for percutaneous transcatheter placement of drug eluting intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch. Short descriptor: "Perc drug-el cor stent sing".

How much does Medicare pay for C9600?

In 2024, the average Medicare payment was $4,809.69 per service (average allowed $6,038.64).

Does Medicare cover C9600?

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

Which diagnoses support coverage for C9600?

Medicare policy articles that cite C9600 list 113 covered ICD-10-CM diagnosis codes across 2 articles. The most cited include I20.0 (Unstable angina), I20.81 (Angina pectoris with coronary microvascular dysfunction), I20.89 (Other forms of angina pectoris). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of C9600 can be billed per day?

3 on outpatient hospital claims; 3 on practitioner claims (NCCI medically unlikely edits).

Related C96 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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