07JM0ZZInspection of Thymus, Open Approach
- Billable / Specific Code
07JM0ZZ is a billable ICD-10-PCS procedure code for Inspection of Thymus, Open 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 Inspection involves visually and/or manually exploring 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 | J | Inspection |
| 4 | BodyPart | M | Thymus |
| 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 inspection of the thymus, open the FY 2027 ICD-10-PCS Alphabetic Index at Inspection, then the subterm Thymus. The index leads to table 07J, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 07JM0ZZ.
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 07JM0ZZ
Is 07JM0ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Thymus, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 07JM0ZZ 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 J is the Operation (Inspection); the 4th character M is the BodyPart (Thymus); 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 07JM0ZZ group to?
On an inpatient stay, Inspection of Thymus, Open 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.
What is the ICD-9-PCS equivalent of 07JM0ZZ?
Under the General Equivalence Mappings, Inspection of Thymus, Open Approach crosswalks to ICD-9-PCS 07.91 (Exploration of thymus field). The mapping is approximate, so confirm it fits the documentation.
