FY2027 ICD-10-CM reference
Q07: Other congenital malformations of nervous system
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Other congenital malformations of nervous system. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
CMS-HCC V28
Not applicable to this nonbillable heading
CMS-HCC V24
Not applicable to this nonbillable heading
ESRD
Not applicable to this nonbillable heading
PACE
Not applicable to this nonbillable heading
RxHCC
Not applicable to this nonbillable heading
HHS-HCC
Not applicable to this nonbillable heading
More specific FY2027 codes
- Q07.0: Arnold-Chiari syndromeNonbillable heading
- Q07.8: Other specified congenital malformations of nervous systemBillable code
- Q07.9: Congenital malformation of nervous system, unspecifiedBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Codes from this chapter are not for use on maternal records
Source: Q00-QA1 (chapter, inherited).
Excludes2
inborn errors of metabolism (E70-E88)
Source: Q00-QA1 (chapter, inherited).
Excludes2
congenital central alveolar hypoventilation syndrome (G47.35)
Source: Q07 (category, direct).
Excludes2
familial dysautonomia [Riley-Day] (G90.1)
Source: Q07 (category, direct).
Excludes2
neurofibromatosis (nonmalignant) (Q85.0-)
Source: Q07 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does Q07 mean in FY2027?
The official ICD-10-CM descriptor is Other congenital malformations of nervous system. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is Q07 billable in FY2027?
The FY2027 order file marks Q07 as a nonbillable heading. Select a complete billable child code.
Does Q07 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition