00164JABypass Cerebral Ventricle to Subgaleal Space with Synthetic Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
00164JA is a billable ICD-10-PCS procedure code for Bypass Cerebral Ventricle to Subgaleal Space with Synthetic Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 14 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular 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 | 1 | Bypass |
| 4 | BodyPart | 6 | Cerebral Ventricle |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | J | Synthetic Substitute |
| 7 | Qualifier | A | Subgaleal Space |
Code History
- 00H64YZ — Insertion of Oth Dev into Cereb Vent, Perc Endo Approach
Similar Procedure Codes
Questions About 00164JA
Is 00164JA a billable code?
Yes. 00164JA is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Cerebral Ventricle to Subgaleal Space with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 00164JA mean?
00164JA 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 1 is the Operation (Bypass); the 4th character 6 is the BodyPart (Cerebral Ventricle); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character J is the Device (Synthetic Substitute); the 7th character A is the Qualifier (Subgaleal Space).
What MS-DRG does 00164JA group to?
On an inpatient stay, Bypass Cerebral Ventricle to Subgaleal Space with Synthetic Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, 820, 821, 822, 826, 827, 828, 907, 908, 909, with relative weights from 1.2040 to 5.8648. The MS-DRG sets the fixed Medicare payment for the stay.
