008J0ZZDivision of Trochlear Nerve, Open Approach
- Billable / Specific Code
008J0ZZ is a billable ICD-10-PCS procedure code for Division of Trochlear Nerve, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 15 MS-DRGs. The root operation Division involves cutting into a body part, without draining fluids and/or gases from the body part, in order to separate or transect a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under CNS 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 | 0 | Central Nervous System and Cranial Nerves |
| 3 | Operation | 8 | Division |
| 4 | BodyPart | J | Trochlear Nerve |
| 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 division of the trochlear nerve, open the FY 2027 ICD-10-PCS Alphabetic Index at Division, then the subterms Nerve, Trochlear. The index leads to table 008, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 008J0ZZ.
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 008J0ZZ
Is 008J0ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Division of Trochlear Nerve, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 008J0ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character 8 is the Operation (Division); the 4th character J is the BodyPart (Trochlear Nerve); 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 008J0ZZ group to?
On an inpatient stay, Division of Trochlear Nerve, Open Approach maps to MS-DRGs 040, 041, 042, 143, 144, 145, 515, 516, 517, 907, 908, 909, 957, 958, 959, with relative weights from 1.2335 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 008J0ZZ?
Under the General Equivalence Mappings, Division of Trochlear Nerve, Open Approach crosswalks to ICD-9-PCS 04.03 (Division or crushing of other cranial and peripheral nerves). The mapping is approximate, so confirm it fits the documentation.
