00164K3Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 00164K3
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

00164K3 is a billable ICD-10-PCS procedure code for Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach. 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 Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
00164K3
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
Parent Code
Short Description
Bypass Cereb Vent to Blood Vess w Nonaut Sub, Perc Endo

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System0Central Nervous System and Cranial Nerves
3Operation1Bypass
4BodyPart6Cerebral Ventricle
5Approach4Percutaneous Endoscopic
6DeviceKNonautologous Tissue Substitute
7Qualifier3Blood Vessel

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 00164K3 under the General Equivalence Mappings.

23.2
Approximate match.

Code History

Replaces previously assigned code(s):
  • 00163K3 — Bypass Cereb Vent to Blood Vess w Nonaut Sub, Perc

Similar Procedure Codes

Questions About 00164K3

Is 00164K3 a billable code?

Yes. 00164K3 is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 00164K3 mean?

00164K3 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 K is the Device (Nonautologous Tissue Substitute); the 7th character 3 is the Qualifier (Blood Vessel).

What MS-DRG does 00164K3 group to?

On an inpatient stay, Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 031, 032, 033, 820, 821, 822, 826, 827, 828, 907, 908, 909, 957, 958, 959, with relative weights from 1.2040 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 00164K3?

Under the General Equivalence Mappings, Bypass Cerebral Ventricle to Blood Vessel with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 23.2. The mapping is approximate, so confirm it fits the documentation.