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QA0

QA0Neurodevelopmental disorders related to specific genetic pathogenic variants

Non-billable headerICD-10-CM

QA0 is a non-billable header ICD-10-CM code for neurodevelopmental disorders related to specific genetic pathogenic variants. It cannot be billed on its own: choose one of the more specific child codes below.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

  • , 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.-)

Risk adjustment

QA0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead QA0

2 child codes. Green means billable.

Questions about QA0

Is QA0 a billable ICD-10-CM code?
No. QA0 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does QA0 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Genetic disorders, not elsewhere classified (QA0).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.