2026 ICD-10-CM Diagnosis Code QA0Neurodevelopmental disorders related to specific genetic pathogenic variants

ICD-10-CM Codes›Q00-Q99›Q90-Q99›QA0

ICD-10-CM QA0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

QA0 is a non-billable ICD-10-CM category code for neurodevelopmental disorders related to specific genetic pathogenic variants, so it cannot be submitted on claims. Use a more specific code from this category instead, such as QA0.0101, QA0.0102, QA0.0109, and QA0.011.

Code Identity

ICD-10-CM Code
QA0
Billable Status
No — Non-Billable Category
Code Describes
Neurodevelopmental disorders related to specific genetic pathogenic variants
Chapter
Q90-Q99
Chromosomal abnormalities, not elsewhere classified

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ90-Q99Chromosomal abnormalities, not elsewhere classified
CategoryQA0Neurodevelopmental disorders related to specific genetic pathogenic variants
This CodeQA0Neurodevelopmental disorders related to specific genetic pathogenic variants

Specific Coding for Neurodev disord related to specific genetic patho variantsOverview

Non-specific codes like QA0 require more characters. Use one of these billable codes instead:

  • QA0.0 for Neurodevelopmental disorders related to pathogenic variants in specific genes

  • QA0.01 for Neurodevelopmental disorders related to pathogenic variants in certain specific genes

  • Use QA0.8 for Other neurodevelopmental disorders related to pathogenic variants in other specific genes

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Code Also

  • , if applicable, any associated conditions, such as:
  • attention-deficit hyperactivity disorders F90
  • autism spectrum disorder F84.0
  • developmental and epileptic encephalopathy G93.45
  • epilepsy, by specific type G40
  • intellectual disabilities F70 F79
  • pervasive developmental disorders F84

Code HistoryHistory

FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About QA0Overview

Is QA0 a billable code?

No. This is a category header that groups the codes for neurodevelopmental disorders related to specific genetic pathogenic variants, and headers cannot be submitted on claims. Claims for neurodevelopmental disorders related to specific genetic pathogenic variants need a more specific code from this category, such as QA0.0101, QA0.0102, and QA0.0109.