02R70KZReplacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach
- Billable / Specific Code
02R70KZ is a billable ICD-10-PCS procedure code for Replacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Septal repair and other therapeutic heart procedures.
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 | 2 | Heart and Great Vessels |
| 3 | Operation | R | Replacement |
| 4 | BodyPart | 7 | Atrium, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | K | Nonautologous Tissue Substitute |
| 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 replacement of the left atrium, open the FY 2027 ICD-10-PCS Alphabetic Index at Replacement, then the subterms Atrium, Left. The index leads to table 02R, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 02R70KZ.
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 02R70KZ
Is 02R70KZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 02R70KZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 2 is the Body System (Heart and Great Vessels); the 3rd character R is the Operation (Replacement); the 4th character 7 is the BodyPart (Atrium, Left); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 02R70KZ group to?
On an inpatient stay, Replacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 270, 271, 272, 907, 908, 909, with relative weights from 1.3810 to 5.2665. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 02R70KZ?
Under the General Equivalence Mappings, Replacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 37.49 (Other repair of heart and pericardium). The mapping is approximate, so confirm it fits the documentation.
