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Q05.0

Q05.0: Cervical spina bifida with hydrocephalus

Billable / specific codeICD-10-CMPOA exempt

Q05.0 is a billable, specific ICD-10-CM code for cervical spina bifida with hydrocephalus. It is valid for submission on a claim.

Check Q05.0 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Q05.0

A category’s note binds every code beneath it.

Written on Q05: Spina bifida

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

Other codes that can never be billed with Q05.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Q03Congenital hydrocephalus
  • Q76.0Spina bifida occulta
  • G91Hydrocephalus

Risk adjustment

Q05.0 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 182 Spinal Cord Disorders/Injuries0.478 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

Q05.0 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

  • Spina bifida›cervical›with hydrocephalus
  • Hydrocephalus›congenital›with spina bifida›cervical

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q05

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.