Q05 – Spina bifida

ICD-10-CM 2027 diagnosis code · Congenital malformations of the nervous system

Non-billable header

ICD-10-CM code Q05

Code: Q05 (claims format: Q05)
Description: Spina bifida
Billable: No – use a more specific code below
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

Billable codes under Q05

Q05 is a header code and cannot be used on claims. Choose the most specific code:

Q05.0 – Cervical spina bifida with hydrocephalusBillable
Q05.1 – Thoracic spina bifida with hydrocephalusBillable
Q05.2 – Lumbar spina bifida with hydrocephalusBillable
Q05.3 – Sacral spina bifida with hydrocephalusBillable
Q05.4 – Unspecified spina bifida with hydrocephalusBillable
Q05.5 – Cervical spina bifida without hydrocephalusBillable
Q05.6 – Thoracic spina bifida without hydrocephalusBillable
Q05.7 – Lumbar spina bifida without hydrocephalusBillable
Q05.8 – Sacral spina bifida without hydrocephalusBillable
Q05.9 – Spina bifida, unspecifiedBillable

Notes for Q05

Includes:

hydromeningocele (spinal)
meningocele (spinal)
meningomyelocele
myelocele
myelomeningocele
rachischisis
spina bifida (aperta)(cystica)
syringomyelocele

Excludes1 (not coded here):

Arnold-Chiari syndrome, type II (Q07.0-)
spina bifida occulta (Q76.0)

Use additional code:

code for any associated paraplegia (paraparesis) (G82.2-)

Frequently asked questions

What is ICD-10 code Q05?

Q05 is the ICD-10-CM code for spina bifida, in the block Q00-Q07 (Congenital malformations of the nervous system).

Is Q05 a billable code?

No. Q05 is a header code with more specific child codes; report one of the billable codes listed above.

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.