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HCPCS C9775 · Level II · C code

C9775: 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 C9775

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

C9775 is a Level II code from the C section (hospital outpatient prospective payment system, temporary codes), in use since 2021: "Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies); with intravascular lithotripsy and transluminal stent placement(s), and atherectomy, includes angioplasty within the same vessel (s), when performed". Hospital outpatient departments are paid $18,728.69 for C9775 under status indicator J1, APC 5194 (Level 4 Endovascular Procedures), minimum unadjusted copayment $3,745.74 (October 2026 Addendum B). CMS caps C9775 at practitioner 2 (MAI 2, Anatomic Consideration); hospital outpatient 2 (MAI 2, Anatomic Consideration) units per day in the 2026 Q4 MUE tables. C9775 is a primary code for 2 add-on codes (37252, 37253). In the NCCI PTP files v323r0 C9775 appears in 2 practitioner pairs as column 2 and 1 as column 1 (most often with C9773, C9774), and in 2 hospital outpatient pairs as column 2 and 1 as column 1. 1 active LCD and 1 billing and coding article list C9775 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, C9774.

C9775 descriptor and code status

The October 2026 HCPCS Level II file describes C9775 as “Revascularization, endovascular, open or percutaneous, tibial/peroneal artery(ies); with intravascular lithotripsy and transluminal stent placement(s), 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 C9775
FieldValue
Short descriptorRevasc lith-sten-ath 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 C9775

Hospital outpatient departments are paid $18,728.69 for C9775 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 $14,121.47 at a payment weight of 250.7274. The multiple-procedure discount applies when it is billed with another ASC procedure.

Medically Unlikely Edits for C9775

CMS caps C9775 at practitioner 2 (MAI 2, Anatomic Consideration); hospital outpatient 2 (MAI 2, Anatomic Consideration) units per day in the 2026 Q4 MUE tables. 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 C9775 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services22 Date of Service Edit: PolicyAnatomic Consideration
Facility outpatient hospital22 Date of Service Edit: PolicyAnatomic Consideration

The MUE lookup for C9775 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

In the practitioner PTP file v323r0, C9775 is the column-2 (bundled) code in 2 active pairs, 100% of which allow a modifier and the column-1 code in 1 (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 C9775 (practitioner)
Column-1 codePairs
C9773 Revasc lithotr-stent tib/per1
C9774 Revasc lithotr-ather tib/per1
Column-2 codes bundled into C9775 (practitioner)
Column-2 codePairs
C9772 Revasc lithotrip tibi/perone1

In the hospital outpatient PTP file v323r0, C9775 is the column-2 (bundled) code in 2 active pairs, 100% of which allow a modifier and the column-1 code in 1 (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 C9775 (hospital outpatient)
Column-1 codePairs
C9773 Revasc lithotr-stent tib/per1
C9774 Revasc lithotr-ather tib/per1
Column-2 codes bundled into C9775 (hospital outpatient)
Column-2 codePairs
C9772 Revasc lithotrip tibi/perone1

C9775 is a designated primary code for 2 add-on codes (37252, 37253).

Pair counts show exposure, not the answer for one claim. Check C9775 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for C9775

1 active Local Coverage Determination and 1 billing and coding article list C9775. 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 C9775
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 C9775

CARC 50 · N115

the diagnosis or documentation does not meet the LCD or billing article that lists C9775

CARC 151 · N362

units of C9775 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 C9775 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for C9775 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 C9775

What does HCPCS code C9775 describe?

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

Is C9775 a CPT code?

It is not. C9775 belongs to the C section (hospital outpatient prospective payment system, temporary codes) of HCPCS Level II, the CMS code set, not to AMA CPT.

What does Medicare pay for C9775?

Hospital outpatient departments are paid $18,728.69 for C9775 under status indicator J1, APC 5194 (Level 4 Endovascular Procedures), minimum unadjusted copayment $3,745.74 (October 2026 Addendum B).

Is C9775 an add-on code?

C9775 is a primary code for 2 add-on codes (37252, 37253).

How many units of C9775 can be billed per day?

CMS caps C9775 at practitioner 2 (MAI 2, Anatomic Consideration); hospital outpatient 2 (MAI 2, Anatomic Consideration) units per day in the 2026 Q4 MUE tables. 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 C9775?

Coverage code D (special coverage instructions apply). 1 active LCD and 1 billing and coding article list C9775 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.