MCMedicalCodingSoftware
Q01

Q01: Encephalocele

Non-billable headerICD-10-CM

Q01 is a non-billable header ICD-10-CM code for encephalocele. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • Meckel-Gruber syndrome (Q61.9)

Includes

Conditions this code covers.

  • Arnold-Chiari syndrome, type III
  • encephalocystocele
  • encephalomyelocele
  • hydroencephalocele
  • hydromeningocele, cranial
  • meningocele, cerebral
  • meningoencephalocele

Other codes that can never be billed with Q01

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

  • Q07.0Arnold-Chiari syndrome
  • Q75Other congenital malformations of skull and face bones

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Q01

5 child codes. Green means billable.

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.