C9898 — Radiolabeled product provided during a hospital inpatient stay
C9898 is a HCPCS Level II code for radiolabeled product provided during a hospital inpatient stay. It belongs to the Outpatient Prospective Payment System section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Medically Unlikely Edits — units per day
The most units of C9898 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Clinical: Data
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for C9898
- Long descriptor
- Radiolabeled product provided during a hospital inpatient stay
- Short descriptor
- Inpnt stay radiolabeled item
- Added
- January 1, 2008
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to C9898
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C9898 is not quite right, the correct code is very often within a few positions of it.
- C9811Electronic ambulatory infusion pump (e.g. sapphire pump), including all pump components, including disposable components , non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9812Echogenic nerve block needles (e.g. sonoplex, sonoblock, sonotap), non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9813Perforated continuous infusion catheter set (e.g. infiltralong), including all components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9814Continuous anesthesia echogenic conduction catheter set (e.g. sonolong, e-cath), including all components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9815Linear peristaltic pain management infusion pump (e.g. cadd-solis ambulatory infusion pump), and all disposable system components, non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9816Rotary peristaltic infusion pump (e.g., reusable ambit pump) including all disposable system components, reusable non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9817Electronic cryo-pneumatic compression, pain management system (e.g. game ready grpro 2.1 system), including control unit, anatomically correct wrap(s), and other system component(s), non-opioid medical device (must be a qualifying medicare non-opioid medical device for post-surgical pain relief in accordance with section 4135 of the caa, 2023)
- C9818Suzetrigine, oral, 1 mg
- C9899Implanted prosthetic device, payable only for inpatients who do not have inpatient coverage
- C9901Endoscopic defect closure within the entire gastrointestinal tract, including upper endoscopy (including diagnostic, if performed) or colonoscopy (including diagnostic, if performed), with all system and tissue anchoring components
- E0100Cane, includes canes of all materials, adjustable or fixed, with tip
- E0105Cane, quad or three prong, includes canes of all materials, adjustable or fixed, with tips
- E0110Crutches, forearm, includes crutches of various materials, adjustable or fixed, pair, complete with tips and handgrips
- E0111Crutch forearm, includes crutches of various materials, adjustable or fixed, each, with tip and handgrips
- E0112Crutches underarm, wood, adjustable or fixed, pair, with pads, tips and handgrips
- E0113Crutch underarm, wood, adjustable or fixed, each, with pad, tip and handgrip
Questions about C9898
What is HCPCS code C9898?
C9898 is a HCPCS Level II code for radiolabeled product provided during a hospital inpatient stay. It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C9898?
The CMS HCPCS file marks C9898 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.