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HCPCS C9779 · Level II · C code

C9779: Endoscopic submucosal dissection (esd), including endoscopy or colonoscopy, 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). Next CMS release: January 1, 2027 (quarterly update).

Key facts for C9779

Medicare payment
$3,938.98
OPPS rate, SI J1
Coverage code
D
special coverage instructions apply
MUE
none published
no MUE in the 2026 Q4 tables
OPPS status
SI J1
Hospital Part B services paid through a comprehensive APC
NCCI PTP pairs
60
60 hospital outpatient
LCDs and articles
0 / 0

TL;DR

C9779 is a Level II code from the C section (hospital outpatient prospective payment system, temporary codes), in use since 2021: "Endoscopic submucosal dissection (esd), including endoscopy or colonoscopy, mucosal closure, when performed". Hospital outpatient departments are paid $3,938.98 for C9779 under status indicator J1, APC 5303 (Level 3 Upper GI Procedures), minimum unadjusted copayment $787.80 (October 2026 Addendum B). In the NCCI PTP files v323r0 C9779 appears in 0 practitioner pairs as column 2 and 60 as column 1, and in 0 hospital outpatient pairs as column 2 and 60 as column 1. C9779 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD. HCPCS record: BETOS P8D (endoscopy - colonoscopy); pricing indicator 53; type of service 9 (other medical items or services), F (ambulatory surgical center). Nearby codes: C9777, C9781, C9785, C9789.

C9779 descriptor and code status

The October 2026 HCPCS Level II file describes C9779 as “Endoscopic submucosal dissection (esd), including endoscopy or colonoscopy, mucosal closure, 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 C9779
FieldValue
Short descriptorEsd endoscopy or colonoscopy
Added to HCPCS2021-10-01
Last actionN (no maintenance), effective 2026-01-01
Coverage codeD: special coverage instructions apply
Pricing indicator53: statute
BETOS categoryP8D: endoscopy - colonoscopy
Type of service9: other medical items or services; F: ambulatory surgical center
Statute1833(t)

Medicare payment for C9779

Hospital outpatient departments are paid $3,938.98 for C9779 under status indicator J1, APC 5303 (Level 3 Upper GI Procedures), minimum unadjusted copayment $787.80 (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 5303 (Level 3 Upper GI Procedures), national unadjusted payment $3,938.98 with a minimum unadjusted copayment of $787.80.

Ambulatory surgical center (Addendum AA)

Payment indicator G2 (Non office-based surgical procedure added in CY 2008 or later; payment based on OPPS relative payment weight), national rate $1,986.55 at a payment weight of 35.2713. The multiple-procedure discount applies when it is billed with another ASC procedure.

Medically Unlikely Edits for C9779

CMS publishes no MUE for C9779 in the 2026 Q4 practitioner, facility or DME supplier tables. Some MUE values are confidential and applied without publication, so unit limits can still deny; document the quantity furnished on every claim.

The MUE lookup for C9779 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

In the practitioner PTP file v323r0, C9779 is the column-2 (bundled) code in 0 active pairs and the column-1 code in 60 (78% modifier-allowed); 0 earlier pairs have been deleted.

Column-2 codes bundled into C9779 (practitioner)
Column-2 codePairs
43191 (CPT; descriptor licensed by AMA)1
43192 (CPT; descriptor licensed by AMA)1
43193 (CPT; descriptor licensed by AMA)1
43197 (CPT; descriptor licensed by AMA)1
43198 (CPT; descriptor licensed by AMA)1
43200 (CPT; descriptor licensed by AMA)1
43201 (CPT; descriptor licensed by AMA)1
43202 (CPT; descriptor licensed by AMA)1

In the hospital outpatient PTP file v323r0, C9779 is the column-2 (bundled) code in 0 active pairs and the column-1 code in 60 (78% modifier-allowed); 0 earlier pairs have been deleted.

Column-2 codes bundled into C9779 (hospital outpatient)
Column-2 codePairs
43191 (CPT; descriptor licensed by AMA)1
43192 (CPT; descriptor licensed by AMA)1
43193 (CPT; descriptor licensed by AMA)1
43197 (CPT; descriptor licensed by AMA)1
43198 (CPT; descriptor licensed by AMA)1
43200 (CPT; descriptor licensed by AMA)1
43201 (CPT; descriptor licensed by AMA)1
43202 (CPT; descriptor licensed by AMA)1

C9779 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Pair counts show exposure, not the answer for one claim. Check C9779 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for C9779

No current LCD or billing and coding article lists C9779. The HCPCS coverage code D means special coverage instructions apply, and any National Coverage Determination for the service still applies.

Denials to expect on C9779

the service is not reasonable and necessary for the diagnosis on the claim

units exceed what the payer considers medically likely for one date of service

the modifier reported is inconsistent with the code

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

Where QuickIntell fits for C9779 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for C9779 before the claim leaves, and QuickRCM carries claim readiness and the denial follow-up when an edit or coverage policy is missed.

Frequently asked questions: HCPCS C9779

What does HCPCS code C9779 describe?

"Endoscopic submucosal dissection (esd), including endoscopy or colonoscopy, mucosal closure, when performed" (short descriptor "Esd endoscopy or colonoscopy"), in the C section (hospital outpatient prospective payment system, temporary codes). Added 2021-10-01; last action N (no maintenance) effective 2026-01-01.

Is C9779 a CPT code?

No. C9779 is a CMS HCPCS Level II code; CPT codes are the AMA's five-character set.

What does Medicare pay for C9779?

Hospital outpatient departments are paid $3,938.98 for C9779 under status indicator J1, APC 5303 (Level 3 Upper GI Procedures), minimum unadjusted copayment $787.80 (October 2026 Addendum B).

Does Medicare cover C9779?

C9779 appears in no active LCD or billing and coding article, so coverage follows HCPCS coverage code D (special coverage instructions apply) and any NCD.

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.