0TT40ZZResection of Left Kidney Pelvis, Open Approach
- Billable / Specific Code
0TT40ZZ is a billable ICD-10-PCS procedure code for Resection of Left Kidney Pelvis, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Resection involves cutting out or off, without replacement, all of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Nephrectomy and ureterectomy.
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 | T | Urinary System |
| 3 | Operation | T | Resection |
| 4 | BodyPart | 4 | Kidney Pelvis, Left |
| 5 | Approach | 0 | Open |
| 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 nephrectomy of the transplant, open the FY 2027 ICD-10-PCS Alphabetic Index at Nephrectomy, then the subterm transplant. The index leads to table 0TT, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0TT40ZZ.
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 0TT40ZZ
Is 0TT40ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Resection of Left Kidney Pelvis, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0TT40ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character T is the Body System (Urinary System); the 3rd character T is the Operation (Resection); the 4th character 4 is the BodyPart (Kidney Pelvis, Left); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0TT40ZZ group to?
On an inpatient stay, Resection of Left Kidney Pelvis, Open Approach maps to MS-DRGs 656, 657, 658, 659, 660, 661, 907, 908, 909, 957, 958, 959, with relative weights from 1.0437 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0TT40ZZ?
Under the General Equivalence Mappings, Resection of Left Kidney Pelvis, Open Approach crosswalks to ICD-9-PCS 55.4 (Partial nephrectomy). The mapping is approximate, so confirm it fits the documentation.
