0FMC4ZZReattachment of Ampulla of Vater, Percutaneous Endoscopic Approach
- Billable / Specific Code
0FMC4ZZ is a billable ICD-10-PCS procedure code for Reattachment of Ampulla of Vater, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 MS-DRGs. The root operation Reattachment involves putting back in or on all or a portion of a separated body part to its normal location or other suitable location. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Hepatobiliary and pancreatic procedures, NEC.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | F | Hepatobiliary System and Pancreas |
| 3 | Operation | M | Reattachment |
| 4 | BodyPart | C | Ampulla of Vater |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code reattachment of the ampulla of vater, open the FY 2027 ICD-10-PCS Alphabetic Index at Reattachment, then the subterm Ampulla of Vater. The index leads to table 0FM, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0FMC4ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0FMC4ZZ
Is 0FMC4ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Ampulla of Vater, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0FMC4ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character F is the Body System (Hepatobiliary System and Pancreas); the 3rd character M is the Operation (Reattachment); the 4th character C is the BodyPart (Ampulla of Vater); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0FMC4ZZ group to?
On an inpatient stay, Reattachment of Ampulla of Vater, Percutaneous Endoscopic Approach maps to MS-DRGs 408, 409, 410, 907, 908, 909, 957, 958, 959, with relative weights from 1.3810 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0FMC4ZZ?
Under the General Equivalence Mappings, Reattachment of Ampulla of Vater, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 51.89 (Other operations on sphincter of Oddi). The mapping is approximate, so confirm it fits the documentation.
