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ICD-10-PCS 2027 procedure code

0FSC4ZZReposition Ampulla of Vater, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Reposition Ampulla of Vater, Perc Endo Approach

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0FSC4ZZ

0FSC4ZZ is the ICD-10-PCS code for a reposition procedure on the ampulla of vater using a percutaneous endoscopic approach. In ICD-10-PCS, reposition means moving to its normal location, or other suitable location, all or a portion of a body part.

In plain terms, this corresponds to other operations on sphincter of Oddi, the ICD-9-CM procedure title it maps to (51.89).

For a different body part, codes include 0FS04ZZ (liver), 0FS44ZZ (gallbladder), 0FS54ZZ (right hepatic duct), 0FS64ZZ (left hepatic duct), 0FS74ZZ (hepatic duct, common), 0FS84ZZ (cystic duct) and 4 more.

The same procedure with a different approach is coded 0FSC0ZZ (open).

It is an operating-room procedure in the MS-DRG logic for DRG 408 (Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with MCC), DRG 409 (Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with CC), DRG 410 (Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. without CC/MCC), DRG 907 (Other O.R. Procedures for Injuries with MCC), DRG 908 (Other O.R. Procedures for Injuries with CC) and DRG 909 (Other O.R. Procedures for Injuries without CC/MCC), under the surgical categories “Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E.”, “Other O.R. Procedures for Injuries” and “Other O.R. Procedures for Multiple Significant Trauma”.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
FHepatobiliary System and Pancreas
3. Operation
SReposition

Moving to its normal location, or other suitable location, all or a portion of a body part

The body part is moved to a new location from an abnormal location, or from a normal location where it is not functioning correctly. The body part may or may not be cut out or off to be moved to the new location

Includes: Reposition of undescended testicle, fracture reduction

4. Body Part
CAmpulla of Vater

Includes: Duodenal ampulla; Hepatopancreatic ampulla

5. Approach
4Percutaneous Endoscopic

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different approach

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

ICD-9-CM equivalent

Converter →
  • 51.89Other operations on sphincter of Oddiapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0FSC4ZZ

Is 0FSC4ZZ a valid ICD-10-PCS code for 2027?

Yes. 0FSC4ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0FSC4ZZ an O.R. procedure?

Yes. 0FSC4ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0FSC4ZZ group to?

Depending on the principal diagnosis, 0FSC4ZZ can group to MS-DRG 408, MS-DRG 409, MS-DRG 410, MS-DRG 907, MS-DRG 908 and MS-DRG 909.

What is the ICD-9 procedure code for 0FSC4ZZ?

The CMS GEMs map 0FSC4ZZ to ICD-9-CM 51.89 (Other operations on sphincter of Oddi).