Q07.9 – Congenital malformation of nervous system, unspecified
ICD-10-CM 2027 diagnosis code · Congenital malformations of the nervous system
- Code
Q07.9(claims format:Q079)- Description
- Congenital malformation of nervous system, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q00-Q07 Congenital malformations of the nervous system
- Parent codes
- Q07
Notes for Q07.9
- Congenital anomaly NOS of nervous system
- Congenital deformity NOS of nervous system
- Congenital disease or lesion NOS of nervous system
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q07 – Other congenital malformations of nervous system
Index terms for Q07.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Dysplasia, brain
- Malformation, dura
- Maldevelopment, brain
- Anomaly, anomalous, gyri
- Anomaly, anomalous, nerve
- Deformity, nervous system
- Encephalopathy, congenital
- Malformation, nervous system
- Anomaly, anomalous, meninges
- Deformity, spinal, nerve root
- Malformation, sense organs NEC
- Deformity, meninges or membrane
- Lesion, nervous system, congenital
- Anomaly, anomalous, nervous system
- Malformation, meninges or membrane
- Anomaly, anomalous, meningeal bands or folds
- Disease, diseased, nervous system, congenital
- Abnormal, abnormality, abnormalities, development, developmental, central nervous system
Related codes in Q07
Frequently asked questions
What is ICD-10 code Q07.9?
Q07.9 is the ICD-10-CM code for congenital malformation of nervous system, unspecified, in the block Q00-Q07 (Congenital malformations of the nervous system).
Is Q07.9 a billable code?
Yes. Q07.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q07.9 belong to?
It belongs to category Q07 – Other congenital malformations of nervous system.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.