07HM4YZInsertion of Other Device into Thymus, Percutaneous Endoscopic Approach
- Billable / Specific Code
07HM4YZ is a billable ICD-10-PCS procedure code for Insertion of Other Device into Thymus, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 21 MS-DRGs. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Thymectomy.
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 | 7 | Lymphatic and Hemic Systems |
| 3 | Operation | H | Insertion |
| 4 | BodyPart | M | Thymus |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Y | Other 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:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Code History
- 07HM41Z — Insertion of Radioact Elem into Thymus, Perc Endo Approach
Similar Procedure Codes
Questions About 07HM4YZ
Is 07HM4YZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Other Device into Thymus, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 07HM4YZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 7 is the Body System (Lymphatic and Hemic Systems); the 3rd character H is the Operation (Insertion); the 4th character M is the BodyPart (Thymus); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Y is the Device (Other Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 07HM4YZ group to?
On an inpatient stay, Insertion of Other Device into Thymus, Percutaneous Endoscopic Approach maps to MS-DRGs 163, 164, 165, 628, 629, 630, 802, 803, 804, 820, 821, 822, 826, 827, 828, 907, 908, 909, 957, 958, 959, with relative weights from 1.1267 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
