`Q05.2` Lumbar spina bifida with hydrocephalus

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applicable to

Lumbosacral spina bifida with hydrocephalus

Applies from Q05 Spina bifida

Includes

hydromeningocele (spinal)
meningocele (spinal)
meningomyelocele
myelocele
myelomeningocele
rachischisis
spina bifida (aperta)(cystica)
syringomyelocele

Excludes1 (never code together)

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

Use additional code

code for any associated paraplegia (paraparesis) (G82.2-)

Risk adjustment (HCC)

CMS-HCC V28: HCC 182 — Spinal Cord Disorders/Injuries
CMS-HCC V22: HCC 72 — Spinal Cord Disorders/Injuries
RxHCC V08: HCC 155 — Spinal Cord Disorders
ESRD V24: HCC 72

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

741.03 Spina bifida with hydrocephalus, lumbar region (approximate)

Code annotations containing back-references to Q05.2

Back-references to Q05.2

Type 1 Excludes: Q03 Congenital hydrocephalus ("hydrocephalus with spina bifida (Q05.0-Q05.4)")

Back-references to Q05

Type 1 Excludes: G91 Hydrocephalus ("spina bifida with hydrocephalus (Q05.-)")
Type 1 Excludes: Q76.0 Spina bifida occulta ("meningocele (spinal) (Q05.-)")
Type 1 Excludes: Q76.0 Spina bifida occulta ("spina bifida (aperta) (cystica) (Q05.-)")

Diagnosis Index entries for Q05.2

Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) › congenital (external) (internal) › with spina bifida › lumbar
Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) › congenital (external) (internal) › with spina bifida › lumbosacral
Spina bifida (aperta) › lumbar › with hydrocephalus
Spina bifida (aperta) › lumbosacral › with hydrocephalus

Nearby codes

Q05 Spina bifida
Q05.0 Cervical spina bifida with hydrocephalus
Q05.1 Thoracic spina bifida with hydrocephalus
Q05.2 Lumbar spina bifida with hydrocephalus (this code)
Q05.3 Sacral spina bifida with hydrocephalus
Q05.4 Unspecified spina bifida with hydrocephalus
Q05.5 Cervical spina bifida without hydrocephalus
Q05.6 Thoracic spina bifida without hydrocephalus
Q05.7 Lumbar spina bifida without hydrocephalus