00160ZBBypass Cerebral Ventricle to Cerebral Cisterns, Open Approach
- Billable / Specific Code
00160ZB is a billable ICD-10-PCS procedure code for Bypass Cerebral Ventricle to Cerebral Cisterns, 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 Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Cerebrospinal fluid shunt procedures.
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 | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | B | Cerebral Cisterns |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code ventriculostomy of the internal shunt, open the FY 2027 ICD-10-PCS Alphabetic Index at Ventriculostomy, then the subterm Internal shunt. The index leads to table 001, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 00160ZB.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Code History
- 00Q60ZZ — Repair Cerebral Ventricle, Open Approach
Similar Procedure Codes
Questions About 00160ZB
Is 00160ZB a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Cerebral Ventricle to Cerebral Cisterns, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 00160ZB 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 1 is the Operation (Bypass); the 4th character 6 is the BodyPart (Cerebral Ventricle); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character B is the Qualifier (Cerebral Cisterns).
What MS-DRG does 00160ZB group to?
On an inpatient stay, Bypass Cerebral Ventricle to Cerebral Cisterns, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 820, 821, 822, 826, 827, 828, 907, 908, 909, 955, with relative weights from 1.1267 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.
