Z98.2 — Presence of cerebrospinal fluid drainage device
Z98.2 is a billable, specific ICD-10-CM code for presence of cerebrospinal fluid drainage device. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Presence of CSF shunt
Risk adjustment
Z98.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
Z98.2 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56612Billing and Coding: CT of the Head
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
How Z98.2 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z98.2.
- Ventriculostomy status
- Device›cerebral ventricle in situ(communicating)
- Device›drainage, cerebrospinal fluid, in situ
- Presence›cerebrospinal fluid drainage device
- Presence›CSF shunt
- Shunt›cerebral ventricle in situ(communicating)
- Valve, valvular›cerebral ventricle in situ(communicating)
- Status›shunt›cerebrospinal fluid
- Status›shunt›ventricular(communicating) ( for drainage)
Related codes at this level
Codes that share Z98. If Z98.2 is not quite right, the correct code is usually one of these.
Questions about Z98.2
- Is Z98.2 a billable ICD-10-CM code?
- Yes. Z98.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z98.2 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).