009J0ZXDrainage of Trochlear Nerve, Open Approach, Diagnostic
- Billable / Specific Code
009J0ZX is a billable ICD-10-PCS procedure code for Drainage of Trochlear Nerve, Open Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 15 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.
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 | 9 | Drainage |
| 4 | BodyPart | J | Trochlear Nerve |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 009J0ZX under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 009J0ZX
Is 009J0ZX a billable code?
Yes. 009J0ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Trochlear Nerve, Open Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 009J0ZX mean?
009J0ZX 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 9 is the Operation (Drainage); 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 X is the Qualifier (Diagnostic).
What MS-DRG does 009J0ZX group to?
On an inpatient stay, Drainage of Trochlear Nerve, Open Approach, Diagnostic maps to MS-DRGs 040, 041, 042, 143, 144, 145, 515, 516, 517, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 009J0ZX?
Under the General Equivalence Mappings, Drainage of Trochlear Nerve, Open Approach, Diagnostic crosswalks to ICD-9-PCS 41.2. The mapping is approximate, so confirm it fits the documentation.
