All ICD10 Codes

Q01

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Encephalocele

Use a more specific code (5 billable)
Q01.0Frontal encephaloceleQ01.1Nasofrontal encephaloceleQ01.2Occipital encephaloceleQ01.8Encephalocele of other sitesQ01.9Encephalocele, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Instructional Notes

Includes
  • Arnold-Chiari syndrome, type III
  • encephalocystocele
  • encephalomyelocele
  • hydroencephalocele
  • hydromeningocele, cranial
  • meningocele, cerebral
  • meningoencephalocele
Excludes1(Not coded here. Use a different code.)
  • Meckel-Gruber syndrome (Q61.9)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q00-Q07Congenital malformations of the nervous system (Q00-Q07)
Q01EncephaloceleNot billable
Q01.0Frontal encephaloceleBillable
Q01.1Nasofrontal encephaloceleBillable
Q01.2Occipital encephaloceleBillable
Q01.8Encephalocele of other sitesBillable
Q01.9Encephalocele, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q01:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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