3E0Q0AZIntroduction of Embryonic Stem Cells into Cranial Cavity and Brain, Open Approach

Administration›Physiological Systems and Anatomical Regions›Introduction

Billable / Specific Code

ICD-10-PCS 3E0Q0AZ

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

3E0Q0AZ is a billable ICD-10-PCS procedure code for Introduction of Embryonic Stem Cells into Cranial Cavity and Brain, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Introduction involves putting in or on a therapeutic, diagnostic, nutritional, physiological, or prophylactic substance except blood or blood products.

Code Identity

ICD-10-PCS Code

3E0Q0AZ

Billable Status

Yes — Valid for Submission

Code Describes

Introduction of Embryonic Stem Cells into Cranial Cavity and Brain, Open Approach

Parent Code

3E0

Short Description

Introduce Embr Stem Cell in Cran Cav/Brain, Open

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	3	Administration
2	Body System	E	Physiological Systems and Anatomical Regions
3	Operation	0	Introduction
4	BodySystem/Region	Q	Cranial Cavity and Brain
5	Approach	0	Open
6	Substance	A	Stem Cells, Embryonic
7	Qualifier	Z	No Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 3E0Q0AZ under the General Equivalence Mappings.

10.9

Approximate match.

Similar Procedure Codes

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Questions About 3E0Q0AZ

Is 3E0Q0AZ a billable code?

Yes. 3E0Q0AZ is a complete seven-character ICD-10-PCS code, specific enough to report Introduction of Embryonic Stem Cells into Cranial Cavity and Brain, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 3E0Q0AZ mean?

3E0Q0AZ 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 0 is the Operation (Introduction); the 4th character Q is the BodySystem/Region (Cranial Cavity and Brain); the 5th character 0 is the Approach (Open); the 6th character A is the Substance (Stem Cells, Embryonic); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 3E0Q0AZ?

Under the General Equivalence Mappings, Introduction of Embryonic Stem Cells into Cranial Cavity and Brain, Open Approach crosswalks to ICD-9-PCS 10.9. The mapping is approximate, so confirm it fits the documentation.