- Q04.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM Q04.8 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q04.8 – other international versions of ICD-10 Q04.8 may differ.
ICD-10-CM Q04.8 is grouped within Diagnostic Related Group(s):
- 091 Other disorders of nervous system with mcc
- 092 Other disorders of nervous system with cc
- 093 Other disorders of nervous system without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Applicable To
- Arnold-Chiari syndrome, type IV
- Macrogyria
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q04.8:
- cerebral > meninges Q07.9
- type IV > Arnold-Chiari disease, obstruction or syndrome (type II) Q07.00
- cerebral > meninges or membrane (congenital) Q07.9
- ventricular, ventricle (acute) (chronic) > Dilatation
- cerebral, congenital > ventricular, ventricle (acute) (chronic) Q04.8
- brain stem, caudal (congenital) > Displacement, displaced
- cerebellum, caudal (congenital) > Displacement, displaced
- gyri > Distortion (s) (congenital)
- brain > Ectopic, ectopia (congenital)
- cerebral > Ectopic, ectopia (congenital)
- cerebralis > Heterotopia, heterotopic
- specified type NEC > brain (multiple) Q04.9
- cerebral > meninges or membrane (congenital) Q07.9
- brain tissue > congenital Q89.1
- congenital > brain (necrotic) (progressive) G93.89