3E1Q38ZIrrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 3E1Q38Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

3E1Q38Z is a billable ICD-10-PCS procedure code for Irrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Irrigation involves putting in or on a cleansing substance. The Alphabetic Index lists this code under Lavage. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Irrigation (diagnostic and therapeutic).

Code Identity

ICD-10-PCS Code
3E1Q38Z
Billable Status
Yes — Valid for Submission
Code Describes
Irrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach
Short Description
Irrigation of Cran Cav/Brain using Irrigat, Perc Approach
Parent Code

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
1Section3Administration
2Body SystemEPhysiological Systems and Anatomical Regions
3Operation1Irrigation
4BodySystem/RegionQCranial Cavity and Brain
5Approach3Percutaneous
6Substance8Irrigating Substance
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

The FY 2027 ICD-10-PCS Alphabetic Index refers to 3E1Q38Z as Lavage. These index entries lead to this code:

Direct entry for this code
Direct entry for this code
Direct entry for this code
Direct entry for this code
Direct entry for this code
Irrigation, Brain, Irrigating Substance
Direct entry for this code
Irrigation, Cranial Cavity, Irrigating Substance
Direct entry for this code

To code lavage, open the FY 2027 ICD-10-PCS Alphabetic Index at Lavage. The entry lists 3E1Q38Z directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ADM018
Irrigation (diagnostic and therapeutic)
Clinical domain: Administration of Therapeutic Substances

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

02.41
Irrigation and exploration of ventricular shunt
Approximate match.

Similar Procedure Codes

Questions About 3E1Q38Z

Is 3E1Q38Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Irrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for lavage?

The ICD-10-PCS Alphabetic Index lists Lavage under code 3E1Q38Z, Irrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach, billable on inpatient claims in fiscal year 2027.

What do the characters in 3E1Q38Z mean?

The code breaks down character by character: the 1st character 3 is the Section (Administration); the 2nd character E is the Body System (Physiological Systems and Anatomical Regions); the 3rd character 1 is the Operation (Irrigation); the 4th character Q is the BodySystem/Region (Cranial Cavity and Brain); the 5th character 3 is the Approach (Percutaneous); the 6th character 8 is the Substance (Irrigating Substance); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 3E1Q38Z?

Under the General Equivalence Mappings, Irrigation of Cranial Cavity and Brain using Irrigating Substance, Percutaneous Approach crosswalks to ICD-9-PCS 02.41 (Irrigation and exploration of ventricular shunt). The mapping is approximate, so confirm it fits the documentation.