QA0

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Neurodevelopmental disorders related to specific genetic pathogenic variants

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here)
  • inborn errors of metabolism (E70-E88)

Instructional Notes

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.-)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
QA0Neurodevelopmental disorders related to specific genetic pathogenic variants
QA0.0Neurodevelopmental disorders related to pathogenic variants in specific genes
QA0.8Other neurodevelopmental disorders related to pathogenic variants in other specific genes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to QA0:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to QA0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Deficiency, deficient1 unique routes
GABA transporter 1→QA0
Disorder (of)24 unique routes
FOXG1-related→QA0
neurodevelopmental(23 variants)
CACNA1A-related→QA0
DLG4-related synaptopathy→QA0
FOXG1-related→QA0
GRIA1-related→QA0
GRIA2-related→QA0
GRIA3-related→QA0
GRIA4-related→QA0
GRIK2-related→QA0
GRIN1-related→QA0
GRIN2A-related→QA0
GRIN2B-related→QA0
GRIN2D-related→QA0
other(6 variants)
glutamate receptor, ionotropic, related→QA0
ion channel gene related→QA0
receptor gene related→QA0
related to other genes associated with transcription and gene expression→QA0
synapse related gene→QA0
transporter or solute carrier gene related→QA0
SCN2A-related→QA0
SLC6A1-related→QA0
specified NEC
related to pathogenic variants in specific genes NEC→QA0
STXBP1-related→QA0
syntaxin-binding protein 1-related→QA0

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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