Z98.2 Presence of cerebrospinal fluid drainage device
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applicable to
Presence of CSF shunt
Applies from Z98 Other postprocedural states
Excludes2 (not included here)
aftercare (Z43-Z49, Z51)
follow-up medical care (Z08-Z09)
Fontan related circulation (I27.84-)
postprocedural complication - see Alphabetical Index
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Approximate ICD-9-CM (GEMs)
V45.2 Presence of cerebrospinal fluid drainage device
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z98.2
Back-references to Z98.2
Type 2 Excludes: Z97 Presence of other devices ("presence of cerebrospinal fluid drainage device (Z98.2)")
Back-references to Z98
Type 2 Excludes: Z78 Other specified health status ("postprocedural status (Z93-Z99)")
Type 2 Excludes: Z87.7 Personal history of (corrected) congenital malformations ("other postprocedural states (Z98.-)")
Type 2 Excludes: Z92 Personal history of medical treatment ("postprocedural states (Z98.-)")
Diagnosis Index entries for Z98.2
Device › cerebral ventricle (communicating) in situ