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HCPCS C9774 · Level II · C code

C9774: Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies), HCPCS Level II C code

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: HCPCS Level II file: October 2026 (effective October 1, 2026); NCCI MUE tables: 2026 Q4 (effective October 1, 2026); NCCI PTP edits: v323r0 (2026 Q4) (effective October 1, 2026); OPPS Addendum B: October 2026 (effective October 1, 2026); Medicare Coverage Database LCD export: MCD release October 8, 2026 (effective October 4, 2026). Next CMS release: January 1, 2027 (quarterly update) for the HCPCS Level II file and NCCI MUE tables and NCCI PTP edits and OPPS Addendum B; weekly, every Thursday for the Medicare Coverage Database LCD export.

Key facts for C9774

Medicare payment
$18,728.69
OPPS rate, SI J1
Coverage code
D
special coverage instructions apply
Facility outpatient MUE
2
MAI 2
OPPS status
SI J1
Hospital Part B services paid through a comprehensive APC
NCCI PTP pairs
3
3 hospital outpatient
LCDs and articles
1 / 1

TL;DR

CMS describes HCPCS C9774, added in 2021, as "Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies); with intravascular lithotripsy and atherectomy, includes angioplasty within the same vessel (s), when performed". Hospital outpatient departments are paid $18,728.69 for C9774 under status indicator J1, APC 5194 (Level 4 Endovascular Procedures), minimum unadjusted copayment $3,745.74 (October 2026 Addendum B). MUE limits for C9774: practitioner 2 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 2 (MAI 2, Code Descriptor / CPT Instruction). C9774 is a primary code for 2 add-on codes (37252, 37253). In the NCCI PTP files v323r0 C9774 appears in 1 practitioner pairs as column 2 and 2 as column 1 (most often with C9773), and in 1 hospital outpatient pairs as column 2 and 2 as column 1. 1 active LCD and 1 billing and coding article list C9774 across 4 states: L40228 (Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities), A60247. HCPCS record: BETOS P2F (major procedure, cardiovascular - other); pricing indicator 53; type of service 2 (surgery), F (ambulatory surgical center). 10 other active codes open with "Revascularization"; related codes: C9766, C9765, C9764, C9773.

C9774 descriptor and code status

The October 2026 HCPCS Level II file describes C9774 as “Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies); with intravascular lithotripsy and atherectomy, includes angioplasty within the same vessel (s), when performed”. It sits in the C section (hospital outpatient prospective payment system, temporary codes), listed with the other C codes.

HCPCS file attributes of C9774
FieldValue
Short descriptorRevasc lithotr-ather tib/per
Added to HCPCS2021-01-01
Last actionN (no maintenance), effective 2021-01-01
Coverage codeD: special coverage instructions apply
Pricing indicator53: statute
BETOS categoryP2F: major procedure, cardiovascular - other
Type of service2: surgery; F: ambulatory surgical center
Statute1833(T)

Medicare payment for C9774

Hospital outpatient departments are paid $18,728.69 for C9774 under status indicator J1, APC 5194 (Level 4 Endovascular Procedures), minimum unadjusted copayment $3,745.74 (October 2026 Addendum B). The amounts below are national figures from the October 2026 CMS files; the contractor applies the locality, rural or state adjustment and the beneficiary's cost sharing.

Hospital outpatient (OPPS Addendum B)

Status indicator J1 (Hospital Part B services paid through a comprehensive APC), APC 5194 (Level 4 Endovascular Procedures), national unadjusted payment $18,728.69 with a minimum unadjusted copayment of $3,745.74.

Ambulatory surgical center (Addendum AA)

Payment indicator J8 (Device-intensive procedure; paid at adjusted rate), national rate $13,064.01 at a payment weight of 231.9522. The multiple-procedure discount applies when it is billed with another ASC procedure.

Medically Unlikely Edits for C9774

MUE limits for C9774: practitioner 2 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 2 (MAI 2, Code Descriptor / CPT Instruction). The facility outpatient MUE is a date-of-service policy edit: units above the limit deny even when split across lines, and appeals rarely succeed.

MUE values for C9774 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services22 Date of Service Edit: PolicyCode Descriptor / CPT Instruction
Facility outpatient hospital22 Date of Service Edit: PolicyCode Descriptor / CPT Instruction

The MUE lookup for C9774 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

In the practitioner PTP file v323r0, C9774 is the column-2 (bundled) code in 1 active pair, 100% of which allow a modifier and the column-1 code in 2 (100% modifier-allowed); 1 earlier pair has been deleted. CMS's most frequent rationale for the bundled pairs: Mutually exclusive procedures.

Column-1 codes most often paired with C9774 (practitioner)
Column-1 codePairs
C9773 Revasc lithotr-stent tib/per1
Column-2 codes bundled into C9774 (practitioner)
Column-2 codePairs
C9772 Revasc lithotrip tibi/perone1
C9775 Revasc lith-sten-ath tib/per1

In the hospital outpatient PTP file v323r0, C9774 is the column-2 (bundled) code in 1 active pair, 100% of which allow a modifier and the column-1 code in 2 (100% modifier-allowed); 1 earlier pair has been deleted. CMS's most frequent rationale for the bundled pairs: Mutually exclusive procedures.

Column-1 codes most often paired with C9774 (hospital outpatient)
Column-1 codePairs
C9773 Revasc lithotr-stent tib/per1
Column-2 codes bundled into C9774 (hospital outpatient)
Column-2 codePairs
C9772 Revasc lithotrip tibi/perone1
C9775 Revasc lith-sten-ath tib/per1

C9774 is a designated primary code for 2 add-on codes (37252, 37253).

Pair counts show exposure, not the answer for one claim. Check C9774 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for C9774

1 active Local Coverage Determination and 1 billing and coding article list C9774. Each applies only in its contractor's jurisdiction, and the article carries the diagnosis codes that support the item or service.

Billing and Coding Articles listing C9774
ArticleTitleContractor(s)Related LCD
A60247Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities Palmetto GBAL40228

Denials to expect on C9774

CARC 50 · N115

the diagnosis or documentation does not meet the LCD or billing article that lists C9774

CARC 151 · N362

units of C9774 exceed the facility outpatient MUE of 2 per date of service

CARC 4

the modifier reported is inconsistent with the code

CARC 16

the claim lacks information needed to adjudicate the line, such as an order, NPI or required modifier

Where QuickIntell fits for C9774 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for C9774 before the claim leaves, and QuickRCM carries claim readiness and the denial follow-up when an edit or coverage policy is missed.

See QuickCode for coder reviewSee QuickRCM for denial follow-upBook a meeting

Frequently asked questions: HCPCS C9774

What does HCPCS code C9774 describe?

"Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies); with intravascular lithotripsy and atherectomy, includes angioplasty within the same vessel (s), when performed" (short descriptor "Revasc lithotr-ather tib/per"), in the C section (hospital outpatient prospective payment system, temporary codes). Added 2021-01-01.

Is C9774 a CPT code?

No: CMS maintains C9774 in HCPCS Level II, while the AMA maintains CPT. It goes in the same procedure-code field.

What does Medicare pay for C9774?

Hospital outpatient departments are paid $18,728.69 for C9774 under status indicator J1, APC 5194 (Level 4 Endovascular Procedures), minimum unadjusted copayment $3,745.74 (October 2026 Addendum B).

Is C9774 an add-on code?

C9774 is a primary code for 2 add-on codes (37252, 37253).

How many units of C9774 can be billed per day?

MUE limits for C9774: practitioner 2 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 2 (MAI 2, Code Descriptor / CPT Instruction). For the facility outpatient MUE (MAI 2), units above 2 deny for the whole day as a policy limit; denials arrive as CARC 151.

Does Medicare cover C9774?

Coverage code D (special coverage instructions apply). 1 active LCD and 1 billing and coding article list C9774 across 4 states: L40228 (Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities), A60247.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

This page is an operational reference compiled from CMS publications: the HCPCS Level II file, the physician, DMEPOS and clinical laboratory fee schedules, OPPS and ASC addenda, NCCI MUE, PTP and add-on edit tables and the Medicare Coverage Database. Amounts are Medicare national figures before locality and state adjustment; Medicaid and commercial payers set their own. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.