C1842 — Retinal prosthesis, includes all internal and external components; add-on to c1841
C1842 is a HCPCS Level II code for retinal prosthesis, includes all internal and external components; add-on to c1841. It belongs to the Outpatient Prospective Payment System section. It was terminated on December 31, 2022 and is not valid on new claims.
This code has been terminated
CMS terminated C1842 on December 31, 2022. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
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 C1842
- Long descriptor
- Retinal prosthesis, includes all internal and external components; add-on to c1841
- Short descriptor
- Retinal prosth, add-on
- Added
- January 1, 2017
- Terminated
- December 31, 2022
- BETOS
- D1E
- 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.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Statute.
Codes adjacent to C1842
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C1842 is not quite right, the correct code is very often within a few positions of it.
- C1830Powered bone marrow biopsy needle
- C1831Interbody cage, anterior, lateral or posterior, personalized (implantable)
- C1832Autograft suspension, including cell processing and application, and all system components
- C1833Monitor, cardiac, including intracardiac lead and all system components (implantable)
- C1834Pressure sensor system, includes all components (e.g., introducer, sensor), intramuscular (implantable), excludes mobile (wireless) software applicationterminated
- C1839Iris prosthesis
- C1840Lens, intraocular (telescopic)
- C1841Retinal prosthesis, includes all internal and external componentsterminated
- C1849Skin substitute, synthetic, resorbable, per square centimeterterminated
- C1874Stent, coated/covered, with delivery system
- C1875Stent, coated/covered, without delivery system
- C1876Stent, non-coated/non-covered, with delivery system
- C1877Stent, non-coated/non-covered, without delivery system
- C1878Material for vocal cord medialization, synthetic (implantable)
- C1880Vena cava filter
- C1881Dialysis access system (implantable)
Questions about C1842
What is HCPCS code C1842?
C1842 is a HCPCS Level II code for retinal prosthesis, includes all internal and external components; add-on to c1841. It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C1842?
The CMS HCPCS file marks C1842 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.
Is C1842 still valid?
No. C1842 was terminated on December 31, 2022 and should not be used on new claims.