00H643ZInsertion of Infusion Device into Cerebral Ventricle, Percutaneous Endoscopic Approach
- Billable / Specific Code
00H643Z is a billable ICD-10-PCS procedure code for Insertion of Infusion Device into Cerebral Ventricle, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 8 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.
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 | H | Insertion |
| 4 | BodyPart | 6 | Cerebral Ventricle |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 3 | Infusion Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 00H643Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 00H643Z
Is 00H643Z a billable code?
Yes. 00H643Z is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Infusion Device into Cerebral Ventricle, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 00H643Z mean?
00H643Z 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 H is the Operation (Insertion); the 4th character 6 is the BodyPart (Cerebral Ventricle); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 3 is the Device (Infusion Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 00H643Z group to?
On an inpatient stay, Insertion of Infusion Device into Cerebral Ventricle, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, 907, 908, 909, with relative weights from 1.3127 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 00H643Z?
Under the General Equivalence Mappings, Insertion of Infusion Device into Cerebral Ventricle, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 13.9. The mapping is approximate, so confirm it fits the documentation.
