C9899 — Implanted prosthetic device, payable only for inpatients who do not have inpatient coverage
C9899 is a HCPCS Level II code for implanted prosthetic device, payable only for inpatients who do not have inpatient coverage. 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.
The CMS record for C9899
- Long descriptor
- Implanted prosthetic device, payable only for inpatients who do not have inpatient coverage
- Short descriptor
- Inpt implant pros dev,no cov
- Added
- January 1, 2009
- BETOS
- Z2
- Pricing indicator
- 53 — Other
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.
Statute.
Codes adjacent to C9899
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C9899 is not quite right, the correct code is very often within a few positions of it.
- 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
- C9898Radiolabeled product provided during a hospital inpatient stay
- 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
- E0114Crutches underarm, other than wood, adjustable or fixed, pair, with pads, tips and handgrips
Questions about C9899
What is HCPCS code C9899?
C9899 is a HCPCS Level II code for implanted prosthetic device, payable only for inpatients who do not have inpatient coverage. It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C9899?
The CMS HCPCS file marks C9899 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.