Q07

Other congenital malformations of nervous system

FY2027Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Q00–Q07 Congenital malformations of the nervous system

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Q07 is a non-billable ICD-10-CM code category for other congenital malformations of nervous system. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q07.0 Arnold-Chiari syndrome; Q07.8 Other specified congenital malformations of nervous system and Q07.9 Congenital malformation of nervous system, unspecified. Its coding notes include 4 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.

Guidelines I.C.17Congenital malformations and genetic disordersRead the official text

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • congenital central alveolar hypoventilation syndrome (G47.35)
  • familial dysautonomia [Riley-Day] (G90.1)
  • neurofibromatosis (nonmalignant) (Q85.0-)
Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • inborn errors of metabolism (E70-E88)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • Codes from this chapter are not for use on maternal records

More specific codes under Q07 3