ICD-10-CM › Q00-QA1 › Q00-Q07 › Q05 Spina bifida › Q05.4
Unspecified spina bifida with hydrocephalus
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Unspecified spina bifida with hydrocephalus
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Q05 Spina bifida
Excludes1 - never 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-)
Includes
- hydromeningocele (spinal)
- meningocele (spinal)
- meningomyelocele
- myelocele
- myelomeningocele
- rachischisis
- spina bifida (aperta)(cystica)
- syringomyelocele
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cleft
- Patent
- Window
- Aplasia
- Missing
- Patulous
- Abnormity
- Asymmetry
- Dysplasia
- Myelocele
- Amputation
- Herniation
- Impervious
- Lobulation
- Nonclosure
- Fold, folds
- Imperforate
- Meningocele
- Rudimentary
- Malformation
- Rachischisis
- Birth > defect
- Hydromyelocele
- Maldevelopment
- Myelocystocele
- Sarcoepiplocele
- Septum, septate
- Hydromeningocele
- Meningomyelocele
- Myelomeningocele
- Syringomyelocele
- Imperfect > fusion
- Macrohydrocephalus
- Water > on > brain
- Deformity > cranium
- Lesion > congenital
- Hydrocele > spinalis
- Loss > organ or part
- Pervious, congenital
- Elongated, elongation
Showing 40 of 174 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q05.0 | Cervical spina bifida with hydrocephalus | Valid |
| Q05.1 | Thoracic spina bifida with hydrocephalus | Valid |
| Q05.2 | Lumbar spina bifida with hydrocephalus | Valid |
| Q05.3 | Sacral spina bifida with hydrocephalus | Valid |
| Q05.5 | Cervical spina bifida without hydrocephalus | Valid |
| Q05.6 | Thoracic spina bifida without hydrocephalus | Valid |
| Q05.7 | Lumbar spina bifida without hydrocephalus | Valid |
| Q05.8 | Sacral spina bifida without hydrocephalus | Valid |
| Q05.9 | Spina bifida, unspecified | Valid |