Is ICD-10-CM code QA0.0109 billable?

Yes, QA0.0109 (Neurodevelopmental disorder related to pathogenic variant in other ion channel gene) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2027.

Is QA0.0109 exempt from POA reporting?

Yes, QA0.0109 is on the CMS list of ICD-10-CM codes exempt from Present On Admission (POA) reporting for FY2027. Inpatient claims do not require a POA indicator for this code.

What chapter does ICD-10-CM code QA0.0109 belong to?

QA0.0109 belongs to Chapter 17 of the ICD-10-CM tabular list: Q00–Q99 (Congenital Malformations, Deformations and Chromosomal Abnormalities).

QA0.0109BillableCC No HCC POA Exempt

Neurodevelopmental disorder related to pathogenic variant in other ion channel gene

Congenital Malformations, Deformations and Chromosomal Abnormalities·Neurodevelopmental disorders, related to pathogenic variants in ion channel genes·subcategory·FY 2027

Also indexed as: Disorder, neurodevelopmental, other, ion channel gene related

Instructional notes

Includes: conditions that are coded here

SCN8A-related neurodevelopmental disorder

Also applies, from QA0: Neurodevelopmental disorders related to specific genetic pathogenic variants

These notes sit on QA0 and apply to every code under it, including QA0.0109.

Code also: add a code for this too, order depends on the encounter

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.-)

Where QA0.0109 sits

QA0-QA1 Genetic disorders, not elsewhere classified (QA0-QA1)
QA0 Neurodevelopmental disorders related to specific genetic pathogenic variants
QA0.0 Neurodevelopmental disorders related to pathogenic variants in specific genes
QA0.01 Neurodevelopmental disorders related to pathogenic variants in certain specific genes
QA0.010 Neurodevelopmental disorders, related to pathogenic variants in ion channel genes
QA0.0109 Neurodevelopmental disorder related to pathogenic variant in other ion channel gene

MS-DRGs

As the principal diagnosis, this code groups to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Code history

FY 2025: replaced F89 (Unspecified disorder of psychological development)