Q05

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Spina bifida

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •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)
  • inborn errors of metabolism (E70-E88)

Instructional Notes

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-)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q00-Q07Congenital malformations of the nervous system (Q00-Q07)
Q05Spina bifida
Q05.0Cervical spina bifida with hydrocephalus
Q05.1Thoracic spina bifida with hydrocephalus
Q05.2Lumbar spina bifida with hydrocephalus
Q05.3Sacral spina bifida with hydrocephalus
Q05.4Unspecified spina bifida with hydrocephalus
Q05.5Cervical spina bifida without hydrocephalus
Q05.6Thoracic spina bifida without hydrocephalus
Q05.7Lumbar spina bifida without hydrocephalus
Q05.8Sacral spina bifida without hydrocephalus
Q05.9Spina bifida, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q05:

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q05. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Anomaly, anomalous (congenital) (unspecified type)1 unique routes
meningocele→Q05
Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent)8 unique routes
congenital (external) (internal)(8 variants)
with spina bifida→Q05(8 variants)
cervical→Q05
dorsal→Q05
lumbar→Q05
lumbosacral→Q05
sacral→Q05
thoracic→Q05
thoracolumbar→Q05
Spina bifida (aperta)16 unique routes
Direct index entry→Q05
cervical→Q05(2 variants)
with hydrocephalus→Q05
dorsal→Q05(2 variants)
with hydrocephalus→Q05
lumbar→Q05(2 variants)
with hydrocephalus→Q05
lumbosacral→Q05(2 variants)
with hydrocephalus→Q05
sacral→Q05(2 variants)
with hydrocephalus→Q05
thoracic→Q05(2 variants)
with hydrocephalus→Q05
thoracolumbar→Q05(2 variants)
with hydrocephalus→Q05
with hydrocephalus NEC→Q05

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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