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Q05 ICD-10-CM Code: Spina bifida

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

Q05

Spina bifida

ICD-10-CM diagnosis code · United States clinical modification

Where Q05 sits

  1. 1

    Chapter 17

    Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

  2. 2

    Section

    Congenital malformations of the nervous system (Q00-Q07)

  3. 3

    Category Q05

    Spina bifida

  4. 4

    Code Q05

    Spina bifida

Codes under Q05

Q05 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Q05.0Cervical spina bifida with hydrocephalusQ05.1Thoracic spina bifida with hydrocephalusQ05.2Lumbar spina bifida with hydrocephalusQ05.3Sacral spina bifida with hydrocephalusQ05.4Unspecified spina bifida with hydrocephalusQ05.5Cervical spina bifida without hydrocephalusQ05.6Thoracic spina bifida without hydrocephalusQ05.7Lumbar spina bifida without hydrocephalusQ05.8Sacral spina bifida without hydrocephalusQ05.9Spina bifida, unspecified

Notes for this code

Inclusion terms

No inclusion terms are listed for Q05.

Code first

No “code first” instruction is listed for Q05.

Use additional code

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

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Q05.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code Q05 mean?

Q05 is the FY 2027 U.S. ICD-10-CM code for “Spina bifida.”

Is Q05 a billable or specific ICD-10-CM code?

No. Q05 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is Q05 located in ICD-10-CM?

Q05 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of the nervous system (Q00-Q07) (Q00–Q07), under category Q05, Spina bifida.

What coding notes are listed for Q05?

No inclusion terms are listed for Q05 in this reference record. No code-first instruction is listed. Additional-code instructions: code for any associated paraplegia (paraparesis) (G82.2-). Excludes1 notes: Arnold-Chiari syndrome, type II (Q07.0-); spina bifida occulta (Q76.0). No Excludes2 note is listed.